Rumia Weather in September

September in Rumia sees daytime temperatures around 18°C (64°F) and lows of 11°C (52°F) at night. With around 72 mm (2.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Rumia in September

Records from the past 30 years suggest around 15 days of rain, with 72 mm (2.8 in) average for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Rumia in September

In September, Rumia sees pleasant temperatures, with highs of 18°C (64°F). Nights drop to around 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Poland, check out our Rumia's climate page.

Rumia Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 51%  

Precipitation 72 mm (2.8 in)  

Rainy days 15 days  

Humidity 78% *  

* Data from: Gdynia, Poland (11 KM, 6 Miles).

What to Wear in Rumia in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in Rumia in September

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Poland, check out our Rumia's climate page.

More climate data for Rumia

Temperature Rainfall Humidity

See the full Rumia climate overview or explore weather in Poland.