Siedlce Weather in September

During September, Siedlce experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 9°C (48°F). Expect quite a bit of rainfall. Around 64 mm (2.5 in) is typical.

Rainfall in Siedlce in September

Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 64 mm (2.5 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Siedlce in September

Siedlce in September gets highs of 19°C (66°F) during the day and drops to 9°C (48°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. 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.

If you prefer dry days with pleasant temperatures, May, 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
• 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 Siedlce's climate page.

Siedlce Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 43%  

Precipitation 64 mm (2.5 in)  

Rainy days 13 days  

What to Wear in Siedlce 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 Siedlce in September

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

Cycling

10/10

Walking

10/10

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 Siedlce's climate page.

More climate data for Siedlce

Temperature Rainfall

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