Ostrowo Weather in September

September in Ostrowo brings pleasant temperatures, with highs of 18°C (64°F) and nights dropping to 13°C (55°F). Rainfall is on the higher side this month, averaging around 75 mm (3 in), so keep a rain jacket handy.

Rainfall in Ostrowo in September

Historically, September sees about 15 days of rain, with a monthly average of 75 mm (3 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Ostrowo in September

September in Ostrowo brings pleasant temperatures, with highs of 18°C (64°F) and nights around 13°C (55°F). During September, the summer season is in full swing. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

For Ostrowo itself, July and August generally stand out with 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 Ostrowo's climate page.

Ostrowo Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 51%  

Precipitation 75 mm (3 in)  

Rainy days 15 days  

Humidity 78% *  

* Data from: Gdynia, Poland (39 KM, 24 Miles).

What to Wear in Ostrowo in September

For Ostrowo in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.

What To Do in Ostrowo 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 Ostrowo's climate page.

More climate data for Ostrowo

Temperature Rainfall Humidity

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