Trosa Weather in September

During September, Trosa experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 9°C (48°F). Some rainfall is typical during this period.

Rainfall in Trosa in September

You can expect rain on around 14 days based on historical patterns, with 58 mm (2.3 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Trosa in September

September in Trosa brings typical temperatures with highs around 17°C (63°F) and lows of 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Trosa in September

The area enjoys a moderate level of sunlight, with around 171 hours. It's a good balance between sunny and cloudy days.

For Trosa 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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• January
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For a detailed overview over the year and the best time to visit Sweden, check out our Trosa's climate page.

Trosa Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 47%  

Precipitation 58 mm (2.3 in)  

Rainy days 14 days  

Humidity 78% *  

Sunshine 171 hours *  

Percentage Sunshine *  

* Data from: Stockholm, Sweden (55 KM, 34 Miles).

What to Wear in Trosa 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Trosa in September

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

Swimming

6/10

Cycling

6/10

Walking

6/10

Barbeque

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 Trosa's climate page.

More climate data for Trosa

Temperature Rainfall Sunshine Humidity

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