Stockholm
September
Weather in Stockholm for September 2025
Your guide to Stockholm weather in September - trends and predictions
Near Gale Warning (14-17 m/s) - See hour by hour.
So far, September 2025 in Stockholm is slightly warmer than the historical average by 1.2 °C.
The forecast for the next days in Stockholm predicts a temperature of 13.6 °C, which is cooler than the historical average.
In general, the average temperature in Stockholm at the beginning of September is 19.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.6 °C by the end of September.
The climate of Stockholm in September is notably wet, with an average of 12 rainy days, and a total of 41.9 mm of precipitation.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
18
Dry days
12
Rainy days
0
Snow days
16°/9°
Temperatures
16 km/h
Avg max wind
74 %
Avg humidity
Stockholm Weather September
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Temperatures trend during September in Stockholm
See the weather trend as well as the moving average line
September weather in Stockholm day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 18° /9° | 7.2 mm | 4 | |
| 2 Sept. |  Patchy rain possible | 18° /10° | 0.6 mm | 4 | |
| 3 Sept. | Partly cloudy | 18° /10° | 0.7 mm | 5 | |
| 4 Sept. | Patchy rain possible | 20° /10° | 0.3 mm | 4 | |
| 5 Sept. | Partly cloudy | 21° /11° | 0 mm | 5 | |
| 6 Sept. |  Cloudy | 20° /11° | 0.7 mm | 5 | |
| 7 Sept. | Partly cloudy | 21° /11° | 0 mm | 6 | |
| 8 Sept. | Partly cloudy | 22° /12° | 0.1 mm | 5 | |
| 9 Sept. |  Sunny | 22° /13° | 0 mm | 5 | |
| 10 Sept. | Patchy rain possible | 19° /12° | 1.3 mm | 5 | |
| 11 Sept. | Patchy rain possible | 19° /11° | 8.2 mm | 4 | |
| 12 Sept. |  Overcast | 18° /11° | 0.9 mm | 4 | |
| 13 Sept. | Overcast | 16° /10° | 2.6 mm | 4 | |
| 14 Sept. | Cloudy | 16° /8° | 1.3 mm | 4 | |
| 15 Sept. | Overcast | 16° /8° | 1.3 mm | 4 | |
| 16 Sept. | Patchy rain possible | 16° /12° | 2 mm | 0.5 | |
| 17 Sept. | Patchy rain possible | 18° /11° | 0.5 mm | 0.4 | |
| 18 Sept. | Patchy rain possible | 17° /10° | 0.2 mm | 0.3 | |
| 19 Sept. | Patchy rain possible | 19° /13° | 0.9 mm | 0.6 | |
| 20 Sept. | Patchy rain possible | 16° /11° | 1.5 mm | 0.5 | |
| 21 Sept. | Partly cloudy | 16° /8° | 0 mm | 4 | |
| 22 Sept. | Patchy rain possible | 10° /7° | 0.3 mm | 2 | |
| 23 Sept. | Patchy rain possible | 11° /9° | 1 mm | 2 | |
| 24 Sept. | Patchy rain possible | 15° /8° | 1.7 mm | 3 | |
| 25 Sept. |  Moderate rain | 10° /8° | 13.5 mm | 2 | |
| 26 Sept. | Patchy rain possible | 12° /7° | 0.8 mm | 2 | |
| 27 Sept. | Patchy rain possible | 12° /8° | 1.2 mm | 2 | |
| 28 Sept. | Patchy rain possible | 9° /8° | 0.2 mm | 2 | |
| 29 Sept. | Patchy rain possible | 10° /6° | 0.3 mm | 2 | |
| 30 Sept. | Patchy rain possible | 13° /7° | 0.8 mm | 3 | |
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Important Notice
Our weather forecast for Stockholm 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 Stockholm forecast closer to your planned date for the most up-to-date weather information.
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Stockholm in September - FAQ
What are the expected maximum and minimum temperatures in Stockholm 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 Stockholm during September?
In September, Stockholm 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 Stockholm during September?
The average wind speed in Stockholm during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Stockholm
Explore the daily rainfall trends and prepare for Stockholms September weather 💧
UV exposure in Stockholm during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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