Lagos Weather in September

🇳🇬 Nigeria

27°C

High

24°C

Low

Rain Days

Sunshine

82%

Humidity

Africa › 🇳🇬 Nigeria › Lagos

Updated: March 2026

Is September a Good Time to Visit Lagos?

5/10

Fair

September is a fair time to visit Lagos (5/10). With 9 daily sunshine hours and only 26 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 10th sunniest of the year in Lagos. Culture-focused travellers and those who prefer lighter crowds will find September a practical choice, with prices running lower than peak January without sacrificing all the good weather. October offers a similar profile at lower hotel rates if dates are flexible. Watch out for prolonged rain stretches: with 26 wet days, a fully outdoor itinerary is risky. Build in museum days and covered market visits as contingency. Planning tips: accommodation is generally available without long lead times, and flight prices are typically lower than peak season. Flexible travellers will find the best deals by booking 2-4 weeks ahead. Mid-week arrivals consistently unlock lower hotel rates than weekend check-ins.

vs August:27°C avg high

Lagos's September climate peaks at 27°C each afternoon before cooling to 24°C overnight. 9 daily sunshine hours and just 26 wet days mean the odds of a fine day are solidly in your favour. It is a reasonable time to visit, with a backup plan for the occasional shower.

27°C

Avg High

24°C

Avg Low

26 days

Rain Days

Sunshine

82%

Humidity

Temperature in Lagos in September

The narrow 3°C gap between daytime and overnight temperatures, characteristic of coastal cities with maritime moderation, means a single mid-layer works across the whole day. At 82% humidity, the 27°C daytime high feels 2-4°C warmer in practice: quick-dry fabrics and shade-seeking between noon and 3pm are the sensible response. UV index averages 6 this month, classed as moderate. Sunscreen is a sensible precaution for extended outdoor time, particularly at midday. Wind averages 17 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 81°F average high, 75°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).

Temperature in September

Monthly Precipitation (mm)

What to Wear in Lagos in September

Morning24°CBefore the day warms up

Afternoon27°CPeak daytime temperature

Evening27°CAfter sunset cools down

Packing for Lagos in September means dressing for 27°C days and 24°C evenings. A light cotton tee with a casual overshirt works well at 27°C, the overshirt doubles as a layer for air-conditioned venues. Evening temperatures settle at 24°C, a modest 3°C drop that a light cardigan or denim jacket covers. Comfortable walking trainers are the versatile choice for both outdoor sightseeing and indoor venues. With 26 rain days expected, a compact travel umbrella is worth the bag space. A waterproof jacket is better than an umbrella if you plan full-day outdoor routes. At 82% average humidity, quick-dry synthetic or bamboo fabrics dry overnight and stay comfortable longer than cotton.

💡

Local tip: Lagos sees heavy rain periods where a compact travel umbrella can feel inadequate. A packable waterproof jacket offers better coverage for prolonged downpours and leaves both hands free for maps and cameras.

Events in Lagos in September

September has no major festivals or public holidays in Lagos, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.

What to Pack for Lagos in September

Based on 27°C average highs and 26 rainy days

Light layers for morning and evening
Breathable T-shirts and comfortable trousers
UV-protective sunglasses
Quick-dry travel towel
Anti-chafe balm for long walking days
Moisture-wicking synthetic fabrics for active days
Compact folding umbrella
Waterproof outer layer or packable rain jacket
Quick-dry clothing that recovers fast after a shower
SPF 30+ sunscreen
Comfortable walking shoes (a second pair lets the first air out overnight)
Universal travel adapter
Small day pack for city exploration
Reusable water bottle

Best Activities in Lagos in September

Explore outdoor markets and street food stallsMid-morning (10am-12pm)At 27°C, the temperature is ideal for extended walking without overheating
Guided walking tour of the historic centreMorning or late afternoonComfortable temperatures allow several hours on foot without fatigue
Visit rooftop viewpoints and observation decksGolden hour (1 hour before sunset)Warm clear evenings provide exceptional visibility for panoramic photography
Day trip to the surrounding countryside or coastFull day (depart by 8am)September is reliably dry enough for rural day trips without weather risk
Spend a morning in the national or city art museumOpens at 10am; arrive earlyWith 26 rain days expected, having a full-day indoor plan is practical insurance
Cooking class focused on regional cuisineHalf-day sessions run 10am-1pm or 3-6pmIndoor activity that fills a rainy half-day with genuine cultural content
Visit covered historical sites: cathedral, palace, or bazaarAny time; most crowded middayRoofed monuments and covered markets provide exploration without weather exposure
Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningSeptember brings distinct seasonal changes to public green spaces worth exploring
Seek out chilled local specialities: cold-brew tea, ice desserts, or chilled seafood at street-level stallsAny time; most atmospheric in evening marketsHot-weather street food culture peaks in September, with vendors setting up specifically for warm evenings

Why is Lagos warm in September?

Lagos's September climate is governed by the Inter-Tropical Convergence Zone (ITCZ), which draws moisture-laden trade winds across the region, producing the characteristic wet season rainfall of warm tropical cities. Daytime heat peaks around 27°C, moderated slightly by afternoon convective showers. Overnight temperatures remain warm at 24°C because the humid air retains heat effectively. Climate data: Open-Meteo ERA5 (1991–2020).

Sunshine Hours

The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.

UV Index

A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate -- wear sunscreen. UV 6-7: High -- hat and SPF 30+ essential. UV 8-10: Very High -- limit midday exposure. UV 11+: Extreme -- seek shade between 10am-4pm.

Rain Days

A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.

Humidity

Relative humidity as a percentage. Below 40%: Dry -- skin and throat may feel parched. 40-60%: Comfortable -- ideal for most people. 60-80%: Sticky -- light, breathable fabrics recommended. Above 80%: Muggy -- heat feels more intense; quick-dry clothing is essential.

Frequently Asked Questions: Lagos in September

In September, Lagos experiences average highs of 27°C (81°F) and lows of 24°C (75°F). Expect around 26 rainy days and 9 hours of sunshine per day, with humidity averaging 82%. The 3°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 6, so sun protection is advisable on clear days.

Lagos typically sees 26 rainy days in September, with total precipitation of around 195mm. This is a notably wet period. A waterproof jacket or compact umbrella is essential, and it is worth building indoor alternatives into your daily itinerary for the inevitable rainy stretches. For context, the driest month in Lagos typically sees 4-6 fewer rain days than September.

Pack light layers, a light jacket for evenings, comfortable walking shoes, and sunscreen for Lagos in September. Daytime temperatures of 27°C are pleasant, but the evening drop to 24°C means a jacket is essential if you plan to be out after dark. With 26 rainy days, bring a compact umbrella or waterproof jacket for unexpected showers. Comfortable walking shoes are a priority given the amount of ground most visitors cover.

September is a reasonable time to visit Lagos. Expect 26 rainy days, so pack a light rain layer for flexibility. Average temperatures of 27°C make outdoor exploration comfortable during the dry periods. With 9 daily sunshine hours, there are reliable windows of good weather to plan outdoor activities around, even if the month is not the driest on the calendar.

The average high temperature in Lagos in September is 27°C (81°F), and the average low is 24°C (75°F). The mean daily temperature is approximately 26°C (78°F). The day-to-night range of 3°C is narrow, typical of coastal or maritime cities. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.

The best month to visit Lagos is generally January. January offers the most sunshine at 11 hours per day and only 9 rainy days. Average temperatures reach 31°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around January gives you the best chance of dry, bright weather.

September is shoulder or low season in Lagos, meaning fewer tourists and generally lower prices than peak months. With 9 sunshine hours and 26 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.

In September, Lagos suits a range of activities thanks to mild temperatures around 27°C. With frequent rain, indoor activities and covered attractions are a smart choice. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 9 hours of sunshine, parks and waterfront walks are particularly enjoyable.

September ranks 10th sunniest of the year in Lagos, with an average 9 daily sunshine hours. The driest months are January, December, and February. January is the hottest month (31°C avg high); July is the coolest (27°C). From here, temperatures rise 1°C into October. Compared to last month (August: 27°C high, 20 rain days), September is similarly warm and wetter. September is one of the least sunny months, but that often means lower prices and fewer fellow tourists.

Year-Round Climate

Month	High	Low	Rain Days	Sun	Details
January	31°C	24°C	9	11h	View
February	31°C	26°C	12	11h	View
March	31°C	26°C	19	11h	View
April	30°C	26°C	21	10h	View
May	29°C	25°C	27	9h	View
June	28°C	24°C	28	8h	View
July	27°C	24°C	25	9h	View
August	27°C	24°C	20	9h	View
September	27°C	24°C	26	9h	View
October	28°C	24°C	27	9h	View
November	29°C	25°C	19	10h	View
December	31°C	25°C	10	11h	View

Other Months in Lagos

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Plan Your Trip to Lagos

Best Time to Visit Lagos Lagos vs Accra in September

Data Sources for Lagos

Lagos on Wikipedia Open-Meteo Climate API NOAA National Centers UK Met Office WMO GeoNames

Climate normals represent 30-year averages (1991-2020). Individual years may vary.