Sweden (Stockholm)
September
Weather in Sweden for September 2025
Your guide to Sweden weather in September - trends and predictions
In general, the average temperature in Sweden at the beginning of September is 18.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.9 °C by the end of September.
The climate of Sweden in September is notably wet, with an average of 12 rainy days, and a total of 41.9 mm of precipitation.
Is September a good time to visit Sweden? check out the best time to travel to Sweden page.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
16°/9°
Temperatures
16 km/h
Avg max wind
74 %
Avg humidity
Sweden in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  17° | 3 17° | 4  19° | 5 20° | 6 20° | 7 21° |
| 8 21° | 9  22° | 10 19° | 11 19° | 12 18° | 13 15° | 14 15° |
| 15 16° | 16 16° | 17 15° | 18 15° | 19 16° | 20 15° | 21 16° |
| 22 16° | 23  16° | 24 16° | 25 16° | 26 16° | 27 16° | 28 14° |
| 29 13° | 30 13° |
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Temperatures trend during September in Sweden
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 17° /9° | 9 mm | 4 | |
| 2 Sept. | Patchy rain possible | 17° /9° | 0.3 mm | 4 | |
| 3 Sept. | Partly cloudy | 17° /9° | 0.3 mm | 5 | |
| 4 Sept. | Cloudy | 19° /9° | 0.3 mm | 4 | |
| 5 Sept. | Partly cloudy | 20° /10° | 0.1 mm | 5 | |
| 6 Sept. | Cloudy | 20° /10° | 0.1 mm | 5 | |
| 7 Sept. | Partly cloudy | 21° /10° | 0 mm | 6 | |
| 8 Sept. | Partly cloudy | 21° /11° | 0.2 mm | 5 | |
| 9 Sept. | Overcast | 22° /13° | 0 mm | 5 | |
| 10 Sept. | Patchy rain possible | 19° /12° | 1.2 mm | 5 | |
| 11 Sept. | Patchy rain possible | 19° /11° | 3 mm | 4 | |
| 12 Sept. | Overcast | 18° /10° | 1 mm | 4 | |
| 13 Sept. | Overcast | 15° /10° | 3.3 mm | 4 | |
| 14 Sept. | Cloudy | 15° /7° | 0.1 mm | 4 | |
| 15 Sept. | Overcast | 16° /7° | 0.2 mm | 4 | |
| 16 Sept. | Patchy rain possible | 16° /9° | 0.6 mm | 4 | |
| 17 Sept. | Cloudy | 15° /8° | 1.3 mm | 4 | |
| 18 Sept. | Overcast | 15° /7° | 0.1 mm | 4 | |
| 19 Sept. | Patchy rain possible | 16° /9° | 2.6 mm | 4 | |
| 20 Sept. | Patchy rain possible | 15° /8° | 1.2 mm | 4 | |
| 21 Sept. | Partly cloudy | 16° /8° | 0.1 mm | 5 | |
| 22 Sept. | Overcast | 16° /10° | 0.1 mm | 4 | |
| 23 Sept. | Moderate or heavy rain shower | 16° /9° | 3 mm | 4 | |
| 24 Sept. | Patchy rain possible | 16° /9° | 0.4 mm | 4 | |
| 25 Sept. | Partly cloudy | 16° /9° | 0.8 mm | 4 | |
| 26 Sept. | Partly cloudy | 16° /8° | 4.7 mm | 4 | |
| 27 Sept. | Patchy rain possible | 16° /9° | 5.5 mm | 4 | |
| 28 Sept. | Partly cloudy | 14° /8° | 1.2 mm | 4 | |
| 29 Sept. | Patchy rain possible | 13° /8° | 0.4 mm | 3 | |
| 30 Sept. | Patchy rain possible | 13° /7° | 0.8 mm | 3 | |
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Important Notice
Our weather forecast for Sweden in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sweden forecast closer to your planned date for the most up-to-date weather information.
Sweden in September - FAQ
What are the expected maximum and minimum temperatures in Sweden during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sweden during September?
In September, Sweden can expect light to moderate rainfall, totaling 41.9 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Sweden during September?
The average wind speed in Sweden during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Sweden in September?
As you prepare for your trip to Sweden in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Sweden, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Sweden
Explore the daily rainfall trends and prepare for Swedens September weather 💧
UV exposure in Sweden during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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