Stockholm is one of the most beautiful cities in the world
The Swedish capital is special because of the mix of culture, nature and city. It's a city that should be on everyone's bucket list.
Västerås Weather in September
During September, Västerås experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 7°C (45°F). Some rainfall is typical during this period.
Rainfall in Västerås in September
Typically, about 14 days will experience rainfall, with an average of 57 mm (2.2 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Västerås in September
If you're visiting Västerås in September, expect highs of 17°C (63°F) and overnight lows 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 Västerås in September
The area experiences a moderate amount of sunshine, with approximately 154 hours of sunlight expected. This means a decent mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Västerås.
Västerås Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
47%
Precipitation
57 mm (2.2 in)
Rainy days
14 days
Sunshine
154 hours *
Percentage Sunshine
*
* Data from: Mälaren, Sweden (38 KM, 24 Miles).
Västerås Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Västerås - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Västerås typically drop from around 18°C (64°F) at the start of September to approximately 14°C (57°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 10°C (50°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Västerås in September
Browse day-by-day weather records for Västerås spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Västerås historical weather extremes in September
The extremes listed below come from historical weather data collected in Västerås from 1976 through 2025.
- Västerås recorded its highest September temperature of 28°C (82°F) on September 5, 2024.
- Västerås experienced its chilliest September day on September 28, 2003, reaching only 7°C (45°F).
- Nighttime temperatures dropped to -5°C (23°F) on September 30, 2001, marking the coldest September night on record.
Best Places in Sweden in September
Find out more about the weather in Sweden and which places have the best travel conditions in this month. See all of Sweden in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Västerås 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. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Västerås in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming6/10 -
Cycling6/10 -
Walking6/10 -
Barbeque6/10 -
Camping4/10 -
Outdoor sports10/10
Västerås 3-Day Forecast
More climate data for Västerås
See the full Västerås climate overview or explore weather in Sweden.
Popular in September
Where to go in September - average daytime high across popular destinations.
Lund
18°C (64°F) Malmö19°C (66°F) Gothenburg
18°C (64°F) Karlskrona17°C (63°F) Falkenberg18°C (64°F) Simrishamn17°C (63°F) Stockholm17°C (63°F) Visby
17°C (63°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Stockholm is one of the most beautiful cities in the world
Nordic skating in Sweden
In between the snowy hills and dense pine forests you will find an innumerable amount of lakes in Sweden, large and small ones on which you can skate wonderfully.
Sleep among the trees in Sweden
If you are looking for a tranquil retreat in Swedish Lapland we recommend to stay at Granó Beckasin. It has a fantastic location on the Ume river where you will experience silence and tranquility.
See the northern lights
The northern lights, polar light or Aarora Borealis is a true spectacle of nature! Green, sometimes purple, red and yellow streaks of light colors the dark skies.