Jönköping
September
Weather in Jönköping for September 2025
Your guide to Jönköping weather in September - trends and predictions
In general, the average temperature in Jönköping at the beginning of September is 19.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.1 °C by the end of September.
Jönköping experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 237.3 mm.
Temperatures
Rain 🌧️
23
Dry days
7
Rainy days
0
Snow days
21°/7°
Temperatures
16 km/h
Avg max wind
77 %
Avg humidity
Jönköping Weather September
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Temperatures trend during September in Jönköping
See the weather trend as well as the moving average line
September weather in Jönköping day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 16° /10° | 4.2 mm | 4 | |
| 2 Sept. |  Patchy rain possible | 18° /10° | 0.8 mm | 4 | |
| 3 Sept. |  Overcast | 19° /9° | 0 mm | 5 | |
| 4 Sept. | Overcast | 20° /11° | 0.1 mm | 5 | |
| 5 Sept. |  Sunny | 21° /10° | 0.1 mm | 5 | |
| 6 Sept. |  Mist | 20° /10° | 0 mm | 5 | |
| 7 Sept. | Partly cloudy | 21° /10° | 0 mm | 5 | |
| 8 Sept. | Patchy rain possible | 22° /12° | 0 mm | 6 | |
| 9 Sept. | Sunny | 22° /12° | 1.4 mm | 5 | |
| 10 Sept. | Patchy rain possible | 20° /12° | 3.4 mm | 5 | |
| 11 Sept. |  Heavy rain at times | 18° /11° | 4.8 mm | 4 | |
| 12 Sept. |  Moderate rain at times | 17° /9° | 0.8 mm | 4 | |
| 13 Sept. | Overcast | 15° /8° | 4 mm | 4 | |
| 14 Sept. | Overcast | 16° /7° | 0.2 mm | 4 | |
| 15 Sept. | Overcast | 16° /8° | 0.9 mm | 4 | |
| 16 Sept. | Moderate or heavy rain shower | 15° /8° | 8.4 mm | 4 | |
| 17 Sept. | Partly cloudy | 15° /8° | 1.2 mm | 4 | |
| 18 Sept. |  Cloudy | 16° /8° | 0.3 mm | 4 | |
| 19 Sept. | Patchy rain possible | 15° /8° | 2.3 mm | 4 | |
| 20 Sept. | Patchy rain possible | 15° /8° | 0.4 mm | 4 | |
| 21 Sept. | Partly cloudy | 17° /8° | 0.8 mm | 5 | |
| 22 Sept. | Partly cloudy | 17° /7° | 1 mm | 5 | |
| 23 Sept. | Moderate or heavy rain shower | 16° /8° | 3.5 mm | 4 | |
| 24 Sept. | Overcast | 14° /8° | 3.9 mm | 3 | |
| 25 Sept. | Overcast | 15° /8° | 2.6 mm | 4 | |
| 26 Sept. | Sunny | 15° /7° | 3 mm | 4 | |
| 27 Sept. | Overcast | 16° /8° | 4.3 mm | 4 | |
| 28 Sept. | Moderate or heavy rain shower | 14° /8° | 5.6 mm | 4 | |
| 29 Sept. | Patchy rain possible | 12° /7° | 0.5 mm | 3 | |
| 30 Sept. | Patchy rain possible | 13° /7° | 0.9 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Jönköping 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 Jönköping forecast closer to your planned date for the most up-to-date weather information.
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Jönköping in September - FAQ
What are the expected maximum and minimum temperatures in Jönköping during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Jönköping during September?
Significant rainfall exceeding 237.3 mm is expected in Jönköping during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jönköping during September?
The average wind speed in Jönköping during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Jönköping
Explore the daily rainfall trends and prepare for Jönköpings September weather 💧
UV exposure in Jönköping during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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