Warsaw vs Vilnius

Warsaw and Vilnius 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.

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

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

Warsaw reaches an average high of 18°C (64°F) and drops to 10°C (50°F) at night during September. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Vilnius averages 17°C (63°F) for the high and 10°C (50°F) for the low, with a daily range of 7°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.

Warsaw receives approximately 58 mm of rainfall across 10 rain days during September. You can expect rain roughly every other day.

Vilnius sees 56 mm over 10 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 65%.