Gdynia weather in September (Pomerania, Poland)

Looking to travel to Gdynia in September? This guide provides all the details you need.

In September, Gdynia typically experiences pleasant temperatures and moderate rainfall. Anticipate daytime temperatures around 18°C, while night temperatures can drop to 12°C.

Gdynia in September usually receives moderate rainfall, averaging around 74 mm for the month. When we look at the climate data from the last 30 years, we can expect around 15 days of 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 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 Gdynia in September?

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 in September.

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.