Östersund Weather in September
Östersund in September sees moderate daytime temperatures of 14°C (57°F) and nighttime lows of 6°C (43°F). Rainfall is fairly high this month at around 68 mm (2.7 in), so pack a rain jacket to stay dry.
Rainfall in Östersund in September
The climate data from previous years indicates about 16 days of rain, averaging 68 mm (2.7 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Östersund in September
In September, Östersund sees moderate temperatures, with highs of 14°C (57°F). Nights drop to around 6°C (43°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sweden, check out our Östersund's climate page.
Östersund Temperature in September
Min Temperature
6°C (43°F)
Max Temperature
14°C (57°F)
Chance of Rain
54%
Precipitation
68 mm (2.7 in)
Rainy days
16 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Östersund typically drop from around 14°C (57°F) at the start of September to approximately 10°C (50°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 8°C (46°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 for Östersund in September
Browse day-by-day weather records for Östersund spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Östersund historical weather extremes in September
Our historical data for Östersund spans 1976 to 2025, revealing these weather extremes.
- On September 3, 1999, temperatures climbed to 25°C (77°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 2°C (36°F), recorded on September 24, 1978.
- The lowest overnight temperature recorded in September was -4°C (25°F) (September 30, 2001).
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 →
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What to Wear in Östersund in September
The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Östersund in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sweden, check out our Östersund's climate page.
See the full Östersund climate overview or explore weather in Sweden.
