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Suwałki Weather in September
September in Suwałki brings pleasant temperatures around 18°C (64°F) during the day, dropping to 9°C (48°F) at night, with quite a bit of rainfall expected, averaging around 63 mm (2.5 in) for the month.
Rainfall in Suwałki in September
This month experiences about 14 days of rain according to historical data, averaging 63 mm (2.5 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Suwałki in September
In September, Suwałki gets pleasant temperatures, with highs of 18°C (64°F). Nights cool to 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.
Suwałki Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
48%
Precipitation
63 mm (2.5 in)
Rainy days
14 days
Suwałki Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Suwałki - 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 Suwałki in September
For Suwałki 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 Suwałki 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
Suwałki 3-Day Forecast
More climate data for Suwałki
See the full Suwałki 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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