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Interlaken-Oberhasli District (Interlaken)
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Switzerland weather

Weather in Interlaken-Oberhasli District for September 2026

Your guide to Interlaken-Oberhasli District weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Interlaken-Oberhasli District at the beginning of September is 18.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12 °C by the end of September.

    • Rain 🌧️

  • The climate of Interlaken-Oberhasli District in September is notably wet, with an average of 15 rainy days, and a total of 573.5 mm of precipitation.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/3°
Temperatures
Average wind speed
8 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Interlaken-Oberhasli District Weather September

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

Temperatures trend during September in Interlaken-Oberhasli District

See the weather trend as well as the moving average line

September weather in Interlaken-Oberhasli District day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 17° /7° 6.5 mm 4
2 Sept. Patchy rain possible
Patchy rain possible
 18° /8° 5.4 mm 4
3 Sept. Cloudy
Cloudy
 18° /8° 2.8 mm 4
4 Sept. Patchy rain possible
Patchy rain possible
 18° /8° 7.7 mm 5
5 Sept. Cloudy
Cloudy
 18° /9° 3.1 mm 5
6 Sept. Cloudy
Cloudy
 20° /8° 0.5 mm 5
7 Sept. Sunny
Sunny
 21° /9° 1.3 mm 6
8 Sept. Sunny
Sunny
 18° /10° 6.4 mm 5
9 Sept. Light rain shower
Light rain shower
 15° /8° 7.2 mm 4
10 Sept. Patchy rain possible
Patchy rain possible
 16° /8° 2.9 mm 4
11 Sept. Moderate rain at times
Moderate rain at times
 16° /7° 2.4 mm 4
12 Sept. Light rain shower
Light rain shower
 15° /5° 3.2 mm 4
13 Sept. Patchy rain possible
Patchy rain possible
 15° /7° 7.6 mm 3
14 Sept. Light rain shower
Light rain shower
 14° /7° 3.8 mm 3
15 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /7° 6.6 mm 4
16 Sept. Light rain shower
Light rain shower
 14° /6° 5.5 mm 3
17 Sept. Patchy rain possible
Patchy rain possible
 13° /5° 2.7 mm 3
18 Sept. Cloudy
Cloudy
 15° /5° 2.7 mm 4
19 Sept. Patchy rain possible
Patchy rain possible
 14° /6° 5.3 mm 3
20 Sept. Patchy rain possible
Patchy rain possible
 15° /6° 1.2 mm 4
21 Sept. Partly cloudy
Partly cloudy
 15° /4° 3.3 mm 4
22 Sept. Sunny
Sunny
 12° /4° 13 mm 3
23 Sept. Sunny
Sunny
 12° /3° 4.5 mm 3
24 Sept. Sunny
Sunny
 12° /4° 2.9 mm 3
25 Sept. Moderate rain at times
Moderate rain at times
 13° /4° 2.8 mm 4
26 Sept. Moderate rain at times
Moderate rain at times
 12° /5° 7.2 mm 3
27 Sept. Overcast
Overcast
 12° /4° 4.7 mm 3
28 Sept. Patchy rain possible
Patchy rain possible
 11° /4° 9.8 mm 3
29 Sept. Patchy rain possible
Patchy rain possible
 12° /4° 3 mm 3
30 Sept. Patchy rain possible
Patchy rain possible
 12° /4° 1.2 mm 3
Next
Important Notice
Our weather forecast for Interlaken-Oberhasli District 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 Interlaken-Oberhasli District forecast closer to your planned date for the most up-to-date weather information.
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Interlaken-Oberhasli District in September - FAQ

What are the expected maximum and minimum temperatures in Interlaken-Oberhasli District during September?
During September, expect a variety of temperatures with highs around 19° and lows near 3°, suitable for diverse activities and preferences.
How much rainfall should be expected in Interlaken-Oberhasli District during September?
Significant rainfall exceeding 573.5 mm is expected in Interlaken-Oberhasli District during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Interlaken-Oberhasli District during September?
The average wind speed in Interlaken-Oberhasli District during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Interlaken-Oberhasli District

Explore the daily rainfall trends and prepare for Interlaken-Oberhasli Districts September weather 💧

UV exposure in Interlaken-Oberhasli District during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Interlaken-Oberhasli District?

Get accurate weather forecasts for Interlaken-Oberhasli District, located at latitude 46.684 and longitude 7.866. Stay updated with localized weather information tailored for Interlaken-Oberhasli District.

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