Warsaw will experience mild autumnal temperatures on September 29, 2025, with morning lows of 8.4°C and afternoon highs of 10.5°C.
Mild Autumnal Temperatures
On Monday, September 29, Warsaw will see moderate temperatures typical of early autumn. Mornings will start at around 8.4°C, dipping slightly to 7.6°C during the day, and rising to 8.7°C in the evening. The lowest temperature of the day will be 7.4°C, while the maximum could reach 10.5°C. Weather conditions are expected to remain stable throughout the day, with high humidity at 73% enhancing the chill. Significant cloud cover will limit warming, making the day feel cooler.
Stable Atmospheric Conditions
On September 29, Warsaw will experience high atmospheric pressure of 1026 hPa, promoting calm weather with minimal temperature fluctuations. Wind speeds will average around 5.1 m/s, providing gentle breezes that won’t significantly impact the perceived cold. The high humidity of 73% will make the air feel colder, especially with limited sunshine due to extensive cloud cover.
Upcoming Weather Forecast
The start of the week in Warsaw will be cloudy with occasional clearings, and temperatures around 11°C. Tuesday will bring rain, with temperatures dropping slightly to 10°C. Wednesday may see some rain, though with lower probability, and temperatures around 12°C. Thursday will see improving weather with partial cloud cover and stable temperatures. Friday will be mostly clear with temperatures around 11°C. The weekend will begin with cloudy skies and temperatures rising to 14°C, but rain is expected to return on Sunday. The following week will also see rainy conditions, with temperatures fluctuating between 11°C and 15°C.
14-Day Weather Outlook
2025-09-30: Rain (100% chance), 10.6°C, feels like 7.8°C, high pressure 1028 hPa, light wind 4 km/h, high humidity 75%.
2025-10-01: Rain (49% chance), 12.1°C, feels like 8.5°C, high pressure 1030 hPa, light wind 4 km/h, low humidity 39%.
2025-10-02: Partly cloudy (0% chance of rain), 12.0°C, feels like 8.3°C, high pressure 1028 hPa, light wind 3 km/h, low humidity 38%.
2025-10-03: Slightly cloudy (0% chance of rain), 11.8°C, feels like 8.7°C, high pressure 1024 hPa, light wind 3 km/h, optimal humidity 52%.
2025-10-04: Cloudy with clearings (0% chance of rain), 14.3°C, feels like 7.7°C, normal pressure 1012 hPa, light wind 4 km/h, optimal humidity 59%.
2025-10-05: Rain (61% chance), 13.5°C, feels like 7.2°C, low pressure 1009 hPa, light wind 5 km/h, high humidity 77%.
2025-10-06: Rain (100% chance), 11.6°C, feels like 9.3°C, normal pressure 1012 hPa, light wind 4 km/h, high humidity 82%.
2025-10-07: Rain (47% chance), 15.9°C, feels like 12.3°C, high pressure 1017 hPa, light wind 5 km/h, high humidity 67%.
2025-10-08: Cloudy with clearings (0% chance of rain), 16.3°C, feels like 12.9°C, high pressure 1019 hPa, light breeze 2 km/h, high humidity 63%.
2025-10-09: Rain (100% chance), 12.3°C, feels like 10.6°C, normal pressure 1014 hPa, light wind 5 km/h, high humidity 88%.
2025-10-10: Partly cloudy (0% chance of rain), 15.2°C, feels like 11.0°C, high pressure 1021 hPa, light wind 3 km/h, high humidity 62%.
2025-10-11: Rain (20% chance), 14.2°C, feels like 11.4°C, high pressure 1028 hPa, light breeze 2 km/h, optimal humidity 57%.
2025-10-12: Clear skies (0% chance of rain), 14.2°C, feels like 10.1°C, high pressure 1034 hPa, light wind 4 km/h, optimal humidity 59%.
2025-10-13: Rain (20% chance), 15.0°C, feels like 11.9°C, high pressure 1031 hPa, light wind 4 km/h, optimal humidity 55%.
