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Olsztyn - Siła Weather in September
September in Olsztyn - Siła brings pleasant temperatures around 19°C (66°F) during the day, dropping to 9°C (48°F) at night, with quite a bit of rainfall expected, averaging around 66 mm (2.6 in) for the month.
Rainfall in Olsztyn - Siła in September
Historically, approximately 15 days this month are expected to have rain, averaging 66 mm (2.6 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Olsztyn - Siła in September
Daytime highs in Olsztyn - Siła in September reach 19°C (66°F), with nights around 9°C (48°F). Conditions are often most pleasant around the middle of the day. 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 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.
Olsztyn - Siła Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
49%
Precipitation
66 mm (2.6 in)
Rainy days
15 days
Olsztyn - Siła Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Olsztyn - Siła - 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 Olsztyn - Siła in September
For Olsztyn - Siła 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 Olsztyn - Siła 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
Olsztyn - Siła 3-Day Forecast
More climate data for Olsztyn - Siła
See the full Olsztyn - Siła 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
Need travel inspiration? Check out our bucket list articles and be inspired.
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