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.

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For a detailed overview over the year and the best time to visit Poland, check out our Suwałki's climate page.

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  

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.

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 Suwałki's climate page.

More climate data for Suwałki

Temperature Rainfall

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