Normal weather for Poland in September
It's pleasantly warm in September in Poland with an average temperature of 21°C. Temperatures this month range from a low of 17°C to a high of 25°C. At night, you can expect temperatures between 7°C and 14°C.
In September, there is an average of 67 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the South.
Poland in September |
UK | ||
|---|---|---|---|
 Average Temperature |
21°C | 20°C | |
 High Temp |
25°C | 22°C | |
| Low Temp |
17°C | 17°C | |
 Total Precipitation |
67 mm | 44 mm | |
| Rainy Days |
10 days | 8 days | |
Start of September
The month of September starts in Poland with warm temperatures, averaging around 23°C during the day and nights close to 13°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
Mid-September
By mid-September, the average daytime temperature drops to around 22°C, with nights close to 12°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
End of September
By the end of September, the average daytime temperature in Poland will be around 18°C, with nights close to 9°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
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UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Poland?
Want nice weather? Then September is a great time to be in Poland. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Poland in September
With 35°C, Poland hit the highest temperature in the last 10 years in September 2015. The lowest daytime temperature in this month was 10°C in 2022. The extreme night temperatures ranged from a low of -1°C to a high of 17°C.
Check out the climate of Poland for all months and discover the best travel time
The climate of Poland is based on weather data from Kraków. Other spots, like WarsawGdańsk, might have different weather. You can check out all destinations in Poland for a full picture of the climate.
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Daily Temperature in September in Poland
This chart shows the average daily temperatures, both day and night, for each day in September in Poland, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Poland
The chart below shows the average daily precipitation in September for Poland, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 10 days of rain in Poland.
Daily UV Index in September in Poland
This chart shows the average daily UV index in September in Poland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Poland Over the Years
This chart shows the average temperature in September in Poland, measured in degrees Celsius, over the past years.
Total Precipitation in September in Poland Over the Years
This chart shows the average precipitation in September in Poland, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Poland
Click on a specific day in September for detailed info on the typical weather on that day in Poland. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Poland
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Average Weather in Poland by Month
Click on a month below to see detailed weather info for Poland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
