Sundby Weather in September

Sundby in September sees moderate daytime temperatures of 17°C (63°F) and nighttime lows of 7°C (45°F). Moderate rainfall is typical, with around 59 mm (2.3 in) for the month.

Rainfall in Sundby in September

Typically, about 14 days will experience rainfall, with an average of 59 mm (2.3 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Sundby in September

Daytime highs in Sundby in September reach 17°C (63°F), with nights around 7°C (45°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Sundby in September

With about 154 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

For Sundby itself, June, 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 Sundby's climate page.

Sundby Temperature in September

Min Temperature 7°C (45°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 47%  

Precipitation 59 mm (2.3 in)  

Rainy days 14 days  

Sunshine 154 hours *  

Percentage Sunshine *  

* Data from: Mälaren, Sweden (32 KM, 20 Miles).

What to Wear in Sundby 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 Sundby 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 Sundby's climate page.

More climate data for Sundby

Temperature Rainfall Sunshine

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