Weather Comparison
Side-by-side weather comparison for September
| Metric | Baku | Yerevan | Better |
|---|---|---|---|
| Average HighHigher is warmer | 25°C (77°F) | 26°C (79°F)▲ | Yerevan |
| Average LowHigher is milder | 20°C (68°F)▲ | 13°C (55°F) | Baku |
| Rain DaysFewer is drier | 4 days | 2 days▲ | Yerevan |
| PrecipitationLess is drier | 22 mm | 10 mm▲ | Yerevan |
| Sunshine HoursMore is sunnier | 10h/day | 12h/day▲ | Yerevan |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 29 km/h | 11 km/h▲ | Yerevan |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Yerevan edges ahead as the better destination in September. Yerevan offers 12 hours of daily sunshine with only 2 rain days, while Baku sees 10 sunshine hours and 4 rain days.
Baku sits in the comfortable travel range at 25°C. Yerevan is also comfortable at 26°C.
For travelers who prioritize dry weather, Yerevan is the stronger choice in September. Yerevan receives 2 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Baku reaches an average high of 25°C (77°F) and drops to 20°C (68°F) at night during September. The daily temperature range is 5°C, meaning relatively stable temperatures from day to night.
Yerevan averages 26°C (79°F) for the high and 13°C (55°F) for the low, with a daily range of 13°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Baku receives approximately 22 mm of rainfall across 4 rain days during September. Rain is occasional, so a light rain jacket should suffice.
Yerevan sees 10 mm over 2 rain days. That makes Yerevan the drier option by 2 rain days and 12 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 25°C, lows of 20°C, 4 rain days
Highs of 26°C, lows of 13°C, 2 rain days
Pack for both: light layers, a light jacket for evenings, sunscreen. These items are useful in either destination during September.
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Baku | Yerevan | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 7°C | 7d | 2°C | 6d |
| Feb | 7°C | 6d | 3°C | 7d |
| Mar | 10°C | 5d | 9°C | 10d |
| Apr | 14°C | 5d | 15°C | 13d |
| May | 20°C | 4d | 21°C | 10d |
| Jun | 26°C | 2d | 27°C | 4d |
| Jul | 29°C | 1d | 31°C | 2d |
| Aug | 29°C | 1d | 31°C | 1d |
| Sep | 25°C | 4d | 26°C | 2d |
| Oct | 19°C | 7d | 18°C | 5d |
| Nov | 13°C | 8d | 10°C | 6d |
| Dec | 9°C | 7d | 4°C | 6d |
Baku Weather in September
Full forecast, packing tips, and activities
Yerevan Weather in September
Full forecast, packing tips, and activities