Warsaw in September
In September, Warsaw averages 18°C (64°F) during the day and 8°C (46°F) at night, with around 9 days of rain (50 mm total).
Conditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
September is a great month to visit Warsaw: pleasant temperatures and relatively few wet days.
18°C
Avg high
8°C
Avg low
9
Rain days
50 mm
Rainfall
Warsaw in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 0°C / 32°F | -5°C / 23°F | 30 mm | 9 | 7 |
| February | 2°C / 36°F | -4°C / 25°F | 25 mm | 8 | 6 |
| March | 7°C / 45°F | -1°C / 30°F | 30 mm | 9 | 3 |
| April | 14°C / 57°F | 3°C / 37°F | 40 mm | 10 | 0 |
| May | 20°C / 68°F | 8°C / 46°F | 55 mm | 11 | 0 |
| June | 23°C / 73°F | 11°C / 52°F | 70 mm | 11 | 0 |
| July | 24°C / 75°F | 13°C / 55°F | 75 mm | 11 | 0 |
| August | 24°C / 75°F | 13°C / 55°F | 65 mm | 10 | 0 |
| September | 18°C / 64°F | 8°C / 46°F | 50 mm | 9 | 0 |
| October | 12°C / 54°F | 4°C / 39°F | 40 mm | 9 | 0 |
| November | 5°C / 41°F | 0°C / 32°F | 40 mm | 10 | 2 |
| December | 1°C / 34°F | -3°C / 27°F | 40 mm | 11 | 5 |
Other cities with similar September weather
Check the live 10-day forecast and sunrise/sunset.