Vilnius vs Warsaw

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Warsaw edges ahead as the better destination in September. Warsaw offers 8 hours of daily sunshine with only 10 rain days, while Vilnius sees 4 sunshine hours and 4 rain days.

Vilnius is on the cooler side at 10°C, requiring warmer clothing. Warsaw is also comfortable at 18°C.

For travelers who prioritize dry weather, Vilnius is the stronger choice in September. Warsaw receives 4 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Vilnius reaches an average high of 10°C (50°F) and drops to -2°C (28°F) at night during September. The daily temperature range is 12°C, meaning significant temperature swings between day and 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. There is a notable 8°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Vilnius receives approximately 50 mm of rainfall across 4 rain days during September. Rain is occasional, so a light rain jacket should suffice.

Warsaw sees 58 mm over 10 rain days. That makes Vilnius the drier option by 6 rain days and 8 mm of total precipitation.

Both cities share similar humidity levels at 65%.