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Schleswig-Holstein (Kiel)
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Weather in Schleswig-Holstein for September 2026

Your guide to Schleswig-Holstein weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Schleswig-Holstein is cooler than usual, with temperatures averaging 18.2 °C, this is 2.5 °C below the typical seasonal average.

  • The forecast for the next days in Schleswig-Holstein predicts a temperature of 18.9 °C, which is cooler than the historical average.

  • In general, the average temperature in Schleswig-Holstein at the beginning of September is 22.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20.6 °C by the end of September.

    • Rain 🌧️

  • Schleswig-Holstein in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 61.8 mm.

    • More

  • Is September a good time to visit Schleswig-Holstein? check out the best time to travel to Schleswig-Holstein page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
12
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/12°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Schleswig-Holstein Weather September

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

Temperatures trend during September in Schleswig-Holstein

See the weather trend as well as the moving average line

September weather in Schleswig-Holstein day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 1 mm 4
2 Sept. Partly cloudy
Partly cloudy
 22° /12° 0.2 mm 5
3 Sept. Patchy rain possible
Patchy rain possible
 22° /13° 2.3 mm 4
4 Sept. Patchy rain possible
Patchy rain possible
 22° /14° 6.3 mm 4
5 Sept. Partly cloudy
Partly cloudy
 22° /13° 4.8 mm 5
6 Sept. Sunny
Sunny
 24° /13° 0 mm 5
7 Sept. Overcast
Overcast
 26° /14° 0 mm 5
8 Sept. Sunny
Sunny
 25° /14° 1.9 mm 5
9 Sept. Light rain shower
Light rain shower
 22° /13° 12.7 mm 4
10 Sept. Light rain shower
Light rain shower
 20° /12° 3.3 mm 4
11 Sept. Sunny
Sunny
 20° /11° 7.6 mm 4
12 Sept. Fog
Fog
 19° /10° 1.2 mm 3
13 Sept. Patchy rain possible
Patchy rain possible
 17° /9° 1.5 mm 3
14 Sept. Partly cloudy
Partly cloudy
 17° /8° 0.8 mm 4
15 Sept. Partly cloudy
Partly cloudy
 20° /9° 1.6 mm 4
16 Sept. Partly cloudy
Partly cloudy
 19° /11° 3.5 mm 4
17 Sept. Overcast
Overcast
 20° /11° 1.2 mm 4
18 Sept. Light rain shower
Light rain shower
 21° /13° 1.8 mm 4
19 Sept. Patchy rain possible
Patchy rain possible
 20° /13° 0.9 mm 4
20 Sept. Patchy rain possible
Patchy rain possible
 21° /13° 2.1 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
 20° /11° 1.8 mm 4
22 Sept. Light rain shower
Light rain shower
 18° /9° 1.6 mm 4
23 Sept. Overcast
Overcast
 18° /9° 2.2 mm 4
24 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 1.8 mm 3
25 Sept. Sunny
Sunny
 18° /8° 0 mm 2.8
26 Sept. Sunny
Sunny
 18° /9° 0.1 mm 2.2
27 Sept. Overcast
Overcast
 21° /10° 0 mm 2.4
28 Sept. Overcast
Overcast
 23° /13° 0.1 mm 2.3
29 Sept. Overcast
Overcast
 25° /15° 0.1 mm 6
30 Sept. Overcast
Overcast
 23° /13° 0 mm 6
Next
Important Notice
Our weather forecast for Schleswig-Holstein 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 Schleswig-Holstein forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Schleswig-Holstein weather in September vs August vs October

Compare September weather in Schleswig-Holstein with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures21°/13°20°/12°13°/8°
Rainfall84 mm62 mm99 mm
Wind18.8 km/h19.8 km/h23.1 km/h
Humidity75%72%82%
Rainy days22 days18 days24 days
Dry days9 days12 days7 days

Planning a trip to Schleswig-Holstein? Discover the best time to visit

Schleswig-Holstein in September - FAQ

What are the expected maximum and minimum temperatures in Schleswig-Holstein during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Schleswig-Holstein during September?
Moderate rainfall is anticipated in Schleswig-Holstein during September, with a total of 61.8 mm spread over approximately 18 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Schleswig-Holstein during September?
The average wind speed in Schleswig-Holstein during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Schleswig-Holstein

Explore the daily rainfall trends and prepare for Schleswig-Holsteins September weather 💧
Typically, Schleswig-Holstein has 18 rainy days in September with a total of 61.8 mm of rainfall.

UV exposure in Schleswig-Holstein during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

What to pack to Schleswig-Holstein in September?

🌦️ Mild & changeable · highs around 20 °C, frequent showers

As you prepare for your trip to Schleswig-Holstein 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 Schleswig-Holstein, during September, is comfortable and enjoyable, regardless of the weather conditions.

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🧥 Clothing

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🎒 Accessories

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Location coordinates Where is Schleswig-Holstein?

Get accurate weather forecasts for Schleswig-Holstein, located at latitude 54.321 and longitude 10.135. Stay updated with localized weather information tailored for Schleswig-Holstein.

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