Climate · Warsaw

Warsaw in September

Mild and damp, as the days shorten.

Typical weather, averaged over 30 years

September in Warsaw is mild: highs near 69°F, lows near 52°F. Rain falls on about two days a week, and the days shorten by 1 hour 27 minutes from the first week to the last.September in Warsaw is mild: highs near 21°C, lows near 11°C. Rain falls on about two days a week, and the days shorten by 1 hour 27 minutes from the first week to the last.

High
69°F21°Caverage
Low
52°F11°Caverage
Wet days
2a week · 34% of days
Daylight
12h 32mon average

Is September a good time to visit Warsaw?


Yes. September is one of Warsaw's best months (June to September).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 69°F in September, against 36°F to 78°F through the year.Highs near 21°C in September, against 2°C to 26°C through the year.

Chance of a wet day

34% of days in September, against 34% to 46% through the year.

Cloud cover

52% cover in September, against 47% to 73% through the year.

Daylight

12h 32m in September, against 7h 47m to 16h 41m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. August78°26°low 59°low 15°3 wet days a weekRain on about three days a week.
  2. September69°21°low 52°low 11°2 wet days a weekRain on about two days a week.
  3. October59°15°low 44°low 7°2 wet days a weekRain on about two days a week.

Where Warsaw sits, in September

Europe/Warsaw

this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
6:09 AMsets 6:54 PM
Above the sea
130 mlow-lying
Latitude
52.2°Nnorthern hemisphere
Nearest of ours
Kraków253 km south

The land around Warsaw, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Poland in September

high · low · wet days

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Warsaw. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.