Weather Comparison
Vilnius vs Warsaw
Side-by-side weather comparison for September
September Weather: Vilnius vs Warsaw
| Metric | Vilnius | Warsaw | Better |
|---|---|---|---|
| Average HighHigher is warmer | 17°C (63°F) | 18°C (64°F)▲ | Warsaw |
| Average LowHigher is milder | 10°C (50°F) | 10°C (50°F) | Tie |
| Rain DaysFewer is drier | 10 days | 10 days | Tie |
| PrecipitationLess is drier | 56 mm▲ | 58 mm | Vilnius |
| Sunshine HoursMore is sunnier | 8h/day | 8h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 18 km/h | 17 km/h▲ | Warsaw |
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.
| Month | Vilnius | Warsaw | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | -2°C | 11d | 1°C | 10d |
| Feb | -1°C | 11d | 2°C | 10d |
| Mar | 4°C | 11d | 7°C | 10d |
| Apr | 12°C | 10d | 14°C | 10d |
| May | 17°C | 12d | 19°C | 12d |
| Jun | 21°C | 13d | 22°C | 12d |
| Jul | 23°C | 13d | 24°C | 13d |
| Aug | 22°C | 12d | 24°C | 11d |
| Sep | 17°C | 10d | 18°C | 10d |
| Oct | 10°C | 11d | 12°C | 9d |
| Nov | 4°C | 11d | 6°C | 10d |
| Dec | 0°C | 11d | 2°C | 10d |
Vilnius Weather in September
Full forecast, packing tips, and activities
Warsaw Weather in September
Full forecast, packing tips, and activities