Osiek Weather in September

September in Osiek averages 19°C (66°F) during the day and 9°C (48°F) at night. Around 58 mm (2.3 in) of rainfall is typical for this time of year.

Rainfall in Osiek in September

You can expect rain on roughly 15 days based on historical data, averaging 58 mm (2.3 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Osiek in September

Daytime temperatures in Osiek reach 19°C (66°F) in September, dropping to 9°C (48°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Osiek in September

The area enjoys a moderate level of sunlight, with around 173 hours. It's a good balance between sunny and cloudy days.

If you prefer enjoying temperate temperatures and rain-free days, June, 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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• January
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For a detailed overview over the year and the best time to visit Poland, check out our Osiek's climate page.

Osiek Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 48%  

Precipitation 58 mm (2.3 in)  

Rainy days 15 days  

Humidity 81% *  

Sunshine 173 hours *  

Percentage Sunshine *  

* Data from: Gdańsk, Poland (70 KM, 43 Miles).

What to Wear in Osiek in September

For Osiek 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Osiek in September

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

Swimming

6/10

Cycling

10/10

Walking

10/10

Barbeque

7/10

Camping

4/10

Outdoor sports

10/10

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 Osiek's climate page.

More climate data for Osiek

Temperature Rainfall Sunshine Humidity

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