Trollhättan Weather in September

September in Trollhättan brings moderate temperatures around 17°C (63°F) during the day, dropping to 9°C (48°F) at night, with quite a bit of rainfall expected, averaging around 82 mm (3.2 in) for the month.

Rainfall in Trollhättan in September

Records from the past 30 years suggest around 14 days of rain, with 82 mm (3.2 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Trollhättan in September

Trollhättan in September gets highs of 17°C (63°F) during the day and drops to 9°C (48°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Trollhättan in September

You can expect a moderate amount of sunlight, with approximately 171 hours. This means a pleasant mix of sun and overcast.

If you prefer dry days with pleasant temperatures, 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.

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 Trollhättan's climate page.

Trollhättan Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 48%  

Precipitation 82 mm (3.2 in)  

Rainy days 14 days  

Humidity 76% *  

Sunshine 171 hours *  

Percentage Sunshine 46% *  

* Data from: Gothenburg, Sweden (31 KM, 19 Miles).

What to Wear in Trollhättan in September

For Trollhättan 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Trollhättan 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

9/10

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 Trollhättan's climate page.

More climate data for Trollhättan

Temperature Rainfall Sunshine Humidity

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