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Weather in Jönköping for September 2025

Your guide to Jönköping weather in September - trends and predictions

    Temperatures

  • The forecast for the first days of September 2025 in Jönköping predicts a temperature of 20.1 °C, which is slightly above the historical average.

  • In general, the average temperature in Jönköping at the beginning of September is 20.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.1 °C by the end of September.

    • Rain 🌧️

  • Jönköping in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 59.3 mm.

Average dry days
14
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/9°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Jönköping Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain
16°
2
Patchy rain possible
18°
3
Sunny
21°
4
Patchy rain possible
23°
5
Patchy rain possible
22°
6
Partly cloudy
21°
7
Sunny
20°
8
Partly cloudy
20°
9
Patchy rain possible
18°
10
Patchy rain possible
16°
11
Heavy rain at times
18°
12
Moderate rain at times
17°
13
Overcast
15°
14
Overcast
16°
15
Overcast
16°
16
Moderate or heavy rain shower
15°
17
Partly cloudy
15°
18
Cloudy
16°
19
Patchy rain possible
15°
20
Patchy rain possible
15°
21
Partly cloudy
17°
22
Partly cloudy
17°
23
Moderate or heavy rain shower
16°
24
Overcast
14°
25
Overcast
15°
26
Sunny
15°
27
Overcast
16°
28
Moderate or heavy rain shower
14°
29
Patchy rain possible
12°
30
Patchy rain possible
13°

Temperatures trend during September in Jönköping

See the weather trend as well as the moving average line

September weather in Jönköping day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Moderate rain
Moderate rain
 16° /13° 5.3 mm 3
2 Sept. Patchy rain possible
Patchy rain possible
 18° /13° 3.3 mm 3
3 Sept. Sunny
Sunny
 21° /11° 0 mm 5
4 Sept. Patchy rain possible
Patchy rain possible
 23° /12° 0.2 mm 4
5 Sept. Patchy rain possible
Patchy rain possible
 22° /13° 0.2 mm 4
6 Sept. Partly cloudy
Partly cloudy
 21° /13° 0 mm 5
7 Sept. Sunny
Sunny
 20° /12° 0 mm 5
8 Sept. Partly cloudy
Partly cloudy
 20° /10° 0 mm 4
9 Sept. Patchy rain possible
Patchy rain possible
 18° /10° 0.5 mm 3
10 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 0.6 mm 3
11 Sept. Heavy rain at times
Heavy rain at times
 18° /11° 4.8 mm 4
12 Sept. Moderate rain at times
Moderate rain at times
 17° /9° 0.8 mm 4
13 Sept. Overcast
Overcast
 15° /8° 4 mm 4
14 Sept. Overcast
Overcast
 16° /7° 0.2 mm 4
15 Sept. Overcast
Overcast
 16° /8° 0.9 mm 4
16 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /8° 8.4 mm 4
17 Sept. Partly cloudy
Partly cloudy
 15° /8° 1.2 mm 4
18 Sept. Cloudy
Cloudy
 16° /8° 0.3 mm 4
19 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 2.3 mm 4
20 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 0.4 mm 4
21 Sept. Partly cloudy
Partly cloudy
 17° /8° 0.8 mm 5
22 Sept. Partly cloudy
Partly cloudy
 17° /7° 1 mm 5
23 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /8° 3.5 mm 4
24 Sept. Overcast
Overcast
 14° /8° 3.9 mm 3
25 Sept. Overcast
Overcast
 15° /8° 2.6 mm 4
26 Sept. Sunny
Sunny
 15° /7° 3 mm 4
27 Sept. Overcast
Overcast
 16° /8° 4.3 mm 4
28 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /8° 5.6 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
 12° /7° 0.5 mm 3
30 Sept. Patchy rain possible
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 17° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Jönköping during September?
Moderate rainfall is anticipated in Jönköping during September, with a total of 59.3 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
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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Location coordinates Where is Jönköping?

Get accurate weather forecasts for Jönköping, located at latitude 57.781 and longitude 14.156. Stay updated with localized weather information tailored for Jönköping.

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