Warszawa weather in September (Poland)

Curious about the September weather in Warszawa? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In Warszawa, September is characterized by pleasant temperatures and moderate rainfall. Daytime temperatures hover around 20°C, while nights can cool down to about 9°C.

Warszawa in September usually receives moderate rainfall, averaging around 64 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 12 days of the month will see rainfall.

The city usually sees around 145 hours of sunlight, indicating a moderately sunny period.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Warszawa. May, June, July, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Warszawa climate page with graphs.

 

Warszawa, monthly averages in September

Min Temperature 9°C  

Max Temperature 20°C  

Chance of Rain 41%  

Precipitation 64 mm  

Rainy days 12 days  

Humidity 81% *  

Sunshine 145 hours *  

Percentage Sunshine *  

Where to go in Poland in September

Find out more about the weather in Poland in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Warszawa in September?

For visitors traveling to Warszawa, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Warszawa.

Our site offers climate and forecast data for every country in the world. Are you going to Poland? On this website you can find historical weather averages for many cities in Poland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.