Warsaw will experience mild temperatures and dry conditions on September 27, 2025, with a mix of clouds and sun.
Temperature Forecast
On September 27, 2025, Warsaw’s daytime high will reach 17.9°C, starting at 5.6°C in the morning and rising to 16.3°C by afternoon. Evening temperatures will drop slightly to 14.3°C, with overnight lows around 11.1°C. While the day will be relatively warm for late September, mornings will remain cool.
Humidity and Atmospheric Conditions
The atmospheric pressure in Warsaw will remain high at 1029 hPa, ensuring stable and calm weather. Humidity will be low at 29%, which may affect those sensitive to dry air. The sky will be partly cloudy with mid-level clouds, and no rain or snow is expected. Wind speeds will be light, averaging 4.1 m/s, making it pleasant for outdoor activities.
Upcoming Weather Outlook
The following week will bring overcast skies and rain to Warsaw. Starting on Saturday, September 27, temperatures will hover around 18°C with partial cloud cover. However, rain is expected on Sunday, with temperatures dropping to 16°C. The following days, Monday and Tuesday, will continue to be cloudy with scattered showers and temperatures between 9-12°C. Wednesday will see more rain, with temperatures rising to 13°C. Thursday will be clear with temperatures around 11°C, and the week will end with light cloud cover and temperatures near 13°C.
The second week, beginning on Saturday, October 4, will also be rainy. Saturday will bring heavy rain and temperatures around 13°C. Sunday will remain rainy, with temperatures dropping to 8°C. The start of the next week, Monday, will see continued rain and temperatures around 11°C. Tuesday will bring more rain, with temperatures rising to 14°C. Wednesday will be rainy with temperatures reaching 21°C. Thursday and Friday will continue to see rain with temperatures around 15°C. The week will end on Saturday, October 11, with cloudy skies and temperatures around 15°C.
14-Day Weather Forecast
2025-09-28: Rain (34% chance), temperature 15.9°C, feels like 13.5°C, high pressure 1024 hPa, light wind 4 km/h, humidity 53%.
2025-09-29: Partly cloudy (0% chance of rain), temperature 11.6°C, feels like 10.0°C, high pressure 1026 hPa, light wind 5 km/h, humidity 46%.
2025-09-30: Rain (47% chance), temperature 9.3°C, feels like 5.6°C, high pressure 1029 hPa, light wind 3 km/h, high humidity 84%.
2025-10-01: Rain (20% chance), temperature 12.7°C, feels like 9.1°C, high pressure 1034 hPa, light wind 4 km/h, humidity 49%.
2025-10-02: Clear skies (0% chance of rain), temperature 11.2°C, feels like 6.7°C, high pressure 1030 hPa, light wind 5 km/h, humidity 49%.
2025-10-03: Partly cloudy (0% chance of rain), temperature 12.9°C, feels like 8.5°C, high pressure 1029 hPa, light breeze 2 km/h, humidity 48%.
2025-10-04: Rain (100% chance), temperature 12.9°C, feels like 9.5°C, high pressure 1024 hPa, light wind 5 km/h, humidity 51%.
2025-10-05: Rain (100% chance), temperature 7.8°C, feels like 5.9°C, low pressure 1007 hPa, light wind 3 km/h, high humidity 92%.
2025-10-06: Rain (100% chance), temperature 10.5°C, feels like 7.4°C, low pressure 1008 hPa, light wind 5 km/h, high humidity 94%.
2025-10-07: Rain (20% chance), temperature 14.2°C, feels like 12.1°C, normal pressure 1012 hPa, light wind 4 km/h, high humidity 66%.
2025-10-08: Cloudy with clearings (0% chance of rain), temperature 19.5°C, feels like 16.6°C, low pressure 1010 hPa, light wind 4 km/h, high humidity 61%.
2025-10-09: Rain (22% chance), temperature 21.2°C, feels like 15.7°C, low pressure 1008 hPa, light wind 5 km/h, high humidity 63%.
2025-10-10: Rain (100% chance), temperature 15.3°C, feels like 11.6°C, low pressure 1007 hPa, light wind 4 km/h, high humidity 92%.
2025-10-11: Cloudy (0% chance of rain), temperature 15.0°C, feels like 11.8°C, high pressure 1020 hPa, calm wind 1 km/h, high humidity 63%.