Weather in Grindelwald for September 2025
In general, the average temperature in Grindelwald at the beginning of September is 18.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.9 °C by the end of September.
Expect significant rainfall in Grindelwald during September, with an average of 16 rainy days.
Is September a good time to visit Grindelwald? check out the best time to travel to Grindelwald page.
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Grindelwald in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 19° | 2 18° | 3 19° | 4 18° | 5 18° | 6 19° | 7 21° |
8 19° | 9 16° | 10 18° | 11 17° | 12 12° | 13 7° | 14 8° |
15 12° | 16 13° | 17 14° | 18 14° | 19 13° | 20 15° | 21 14° |
22 12° | 23 8° | 24 10° | 25 14° | 26 13° | 27 14° | 28 11° |
29 14° | 30 14° |
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Temperatures trend during September in Grindelwald
September weather day by day
Date | Weather | Temperatures | Rain | Snow | More |
---|---|---|---|---|---|
1 Sept. | Patchy rain possible | 19° /2° | 3 mm | 0 cm | |
2 Sept. | Patchy rain possible | 18° /3° | 4.8 mm | 0 cm | |
3 Sept. | Sunny | 19° /3° | 3.4 mm | 0 cm | |
4 Sept. | Overcast | 18° /4° | 4 mm | 0 cm | |
5 Sept. | Sunny | 18° /4° | 7.9 mm | 0 cm | |
6 Sept. | Sunny | 19° /3° | 0.9 mm | 0 cm | |
7 Sept. | Patchy rain possible | 21° /4° | 0.2 mm | 0 cm | |
8 Sept. | Patchy rain possible | 19° /5° | 5.3 mm | 0 cm | |
9 Sept. | Patchy rain possible | 16° /6° | 11.4 mm | 0 cm | |
10 Sept. | Patchy rain possible | 18° /3° | 0.7 mm | 0 cm | |
11 Sept. | Patchy light rain with thunder | 17° /2° | 4.7 mm | 0 cm | |
12 Sept. | Moderate or heavy rain shower | 12° /2° | 8.5 mm | 0.6 cm | |
13 Sept. | Moderate or heavy rain shower | 7° /2° | 20.7 mm | 6.1 cm | |
14 Sept. | Thundery outbreaks possible | 8° /1° | 1.1 mm | 0.8 cm | |
15 Sept. | Thundery outbreaks possible | 12° /-2° | 0 mm | 0 cm | |
16 Sept. | Light rain shower | 13° /-2° | 1.1 mm | 0 cm | |
17 Sept. | Sunny | 14° /0° | 0.1 mm | 0 cm | |
18 Sept. | Light rain shower | 14° /0° | 8.2 mm | 0 cm | |
19 Sept. | Patchy rain possible | 13° /0° | 2.2 mm | 0 cm | |
20 Sept. | Light rain shower | 15° /0° | 1.5 mm | 0 cm | |
21 Sept. | Patchy rain possible | 14° /1° | 1.4 mm | 0 cm | |
22 Sept. | Light rain shower | 12° /2° | 18.9 mm | 0 cm | |
23 Sept. | Light rain shower | 8° /-3° | 9.5 mm | 0 cm | |
24 Sept. | Patchy rain possible | 10° /-3° | 1.3 mm | 0 cm | |
25 Sept. | Sunny | 14° /-2° | 0.2 mm | 0 cm | |
26 Sept. | Sunny | 13° /0° | 7.9 mm | 0 cm | |
27 Sept. | Sunny | 14° /2° | 3 mm | 0 cm | |
28 Sept. | Sunny | 11° /2° | 6.7 mm | 1.1 cm | |
29 Sept. | Patchy rain possible | 14° /1° | 0.1 mm | 0 cm | |
30 Sept. | Patchy rain possible | 14° /1° | 2.1 mm | 0 cm | |
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Grindelwald in September - FAQ
What to pack to Grindelwald in September?
As you prepare for your trip to Grindelwald 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 Grindelwald, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Grindelwald
September snowfall in Grindelwald
UV exposure in Grindelwald during September
Quick links
Get accurate weather forecasts for Grindelwald, located at latitude 46.624 and longitude 8.036. Stay updated with localized weather information tailored for Grindelwald.