Gdynia weather in September (Pomerania, Poland)

What weather conditions can you expect in Gdynia this September? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

During September, Gdynia usually has pleasant temperatures and moderate rainfall. During the daylight hours, temperatures often reach 18°C. After dark they usually decrease to around 12°C.

Precipitation

Gdynia in September usually receives moderate rainfall, averaging around 74 mm for the month. Records from the past 30 years suggest that around 15 days will experience rain.

If you prefer dry days with pleasant temperatures, July and August 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 Gdynia climate page with graphs.

 

Gdynia, monthly averages in September

Min Temperature 12°C  

Max Temperature 18°C  

Chance of Rain 51%  

Precipitation 74 mm  

Rainy days 15 days  

Humidity 78%  

Where to go in Poland in September

Find out more about the weather in Poland and which places have the best travel 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 this month?

For visitors traveling to Gdynia, 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.

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Gdynia.

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 travel conditions. Find out where to go with our weather planner.