Warsaw weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Warsaw September weather at a glance
In September, Warsaw averages 17.1°C, with typical highs of 22°C and lows of 12.9°C. The historical average is 9 wet days and 72% humidity.
Warsaw September temperature & humidity
Warsaw September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Warsaw in September
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 22°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 12.9°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Warsaw September sunrise & sunset times
2026 September · Local time (Europe/Warsaw)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 05:47 | 19:24 | 13h 37m |
| 2026-09-15 | 06:10 | 18:51 | 12h 41m |
| 2026-09-30 | 06:35 | 18:16 | 11h 41m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Warsaw travel updates
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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Warsaw city map
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Warsaw travel essentials
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Best months to visit Warsaw
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Warsaw weather like in September?
In September, Warsaw averages 17.1°C, with typical highs of 22°C and lows of 12.9°C. The historical average is 9 wet days and 72% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Warsaw in September?
There are about 9 wet days in September. A compact umbrella is still useful.
What should I wear in Warsaw in September?
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Warsaw?
Recent weather data rates April, May, July, August among the more comfortable months.
Where can I check Warsaw weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Warsaw in September?
On 2026-09-15, calculated sunrise is 06:10 and sunset is 18:51 in local time (Europe/Warsaw). Times vary by date and terrain.
Warsaw weather by month
More Europe destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations