Östhammar Weather in September

September in Östhammar brings moderate temperatures around 17°C (63°F) during the day, dropping to 9°C (48°F) at night, with some rainfall expected.

Rainfall in Östhammar in September

Historically, September sees about 14 days of rain, with a monthly average of 56 mm (2.2 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 Östhammar in September

September in Östhammar brings typical temperatures with highs around 17°C (63°F) and lows of 9°C (48°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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.

For Östhammar itself, July and August generally stand out with 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 Sweden, check out our Östhammar's climate page.

Östhammar Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 48%  

Precipitation 56 mm (2.2 in)  

Rainy days 14 days  

What to Wear in Östhammar in September

For Östhammar 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 Östhammar in September

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

Cycling

6/10

Walking

6/10

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 Sweden, check out our Östhammar's climate page.

More climate data for Östhammar

Temperature Rainfall

See the full Östhammar climate overview or explore weather in Sweden.