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Weather Comparison

Vilnius vs Warsaw

Side-by-side weather comparison for September

Vilnius: 17°CWarsaw: 18°C393 km apart

September Weather: Vilnius vs Warsaw

MetricVilniusWarsawBetter
Average HighHigher is warmer17°C (63°F)18°C (64°F)Warsaw
Average LowHigher is milder10°C (50°F)10°C (50°F)Tie
Rain DaysFewer is drier10 days10 daysTie
PrecipitationLess is drier56 mm58 mmVilnius
Sunshine HoursMore is sunnier8h/day8h/dayTie
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better18 km/h17 km/hWarsaw

Which City is Better in September?

Vilnius and Warsaw are closely matched in September. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Vilnius sits in the comfortable travel range at 17°C. Warsaw is also comfortable at 18°C.

For travelers who prioritize dry weather, both cities are equally dry in September.

Temperature Comparison in September

Vilnius reaches an average high of 17°C (63°F) and drops to 10°C (50°F) at night during September. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Warsaw averages 18°C (64°F) for the high and 10°C (50°F) for the low, with a daily range of 8°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.

Rainfall Comparison in September

Vilnius receives approximately 56 mm of rainfall across 10 rain days during September. You can expect rain roughly every other day.

Warsaw sees 58 mm over 10 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 65%.

What to Pack: Vilnius vs Warsaw

Packing for Vilnius in September

Highs of 17°C, lows of 10°C, 10 rain days

  • warm layers
  • a mid-weight jacket
  • long trousers
  • waterproof jacket
  • compact umbrella
  • waterproof shoes

Packing for Warsaw in September

Highs of 18°C, lows of 10°C, 10 rain days

  • warm layers
  • a mid-weight jacket
  • long trousers
  • waterproof jacket
  • compact umbrella
  • waterproof shoes

Pack for both: warm layers, a mid-weight jacket, long trousers, waterproof jacket, compact umbrella, waterproof shoes. These items are useful in either destination during September.

Year-Round Comparison: Vilnius vs Warsaw

The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.September is highlighted for quick reference.

MonthVilniusWarsaw
HighRainHighRain
Jan-2°C11d1°C10d
Feb-1°C11d2°C10d
Mar4°C11d7°C10d
Apr12°C10d14°C10d
May17°C12d19°C12d
Jun21°C13d22°C12d
Jul23°C13d24°C13d
Aug22°C12d24°C11d
Sep17°C10d18°C10d
Oct10°C11d12°C9d
Nov4°C11d6°C10d
Dec0°C11d2°C10d
17°

Vilnius Weather in September

Full forecast, packing tips, and activities

18°

Warsaw Weather in September

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Vilnius warmer than Warsaw in September?
No. In September, Warsaw is warmer with an average high of 18°C (64°F) compared to Vilnius at 17°C (63°F), a difference of 1°C.
Which city gets more rain in September, Vilnius or Warsaw?
Both cities average 10 rain days in September with similar precipitation levels.
Is it better to visit Vilnius or Warsaw in September?
It depends on your preferences. Vilnius averages 17°C and 8 hours of daily sunshine with 10 rain days. Warsaw averages 18°C with 8 sunshine hours and 10 rain days. If you prefer cooler conditions, choose Warsaw. For fewer rain days, both are equal.
How far apart are Vilnius and Warsaw?
Vilnius and Warsaw are approximately 393 km (244 miles) apart. Vilnius is located in Lithuania (Europe) while Warsaw is in Poland (Europe).
What is the best month to visit Vilnius and Warsaw?
For Vilnius, June tends to be the best month with 12 hours of daily sunshine and a high of 21°C. For Warsaw, August is typically ideal with 11 sunshine hours and 24°C highs.

Compare Vilnius and Warsaw in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Vilnius coordinates: 54.69°N, 25.28°E | Warsaw coordinates: 52.23°N, 21.01°E