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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.
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
Siedlce Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Siedlce - and find the best time to visit.
Best Places in Poland in September
Find out more about the weather in Poland and which places have the best travel conditions in this month. See all of Poland in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Cycling10/10 -
Walking10/10 -
Camping4/10 -
Outdoor sports10/10
Siedlce 3-Day Forecast
More climate data for Siedlce
See the full Siedlce climate overview or explore weather in Poland.
Popular in September
Where to go in September - average daytime high across popular destinations.
Poznań
20°C (68°F) Kraków
20°C (68°F) Warsaw20°C (68°F) Gdańsk19°C (66°F) Gdynia
18°C (64°F) Sopot19°C (66°F) Kołobrzeg19°C (66°F) Zakopane17°C (63°F) Bucket list
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