Wahlkreis St. Gallen (Sankt Gallen)
September
Weather in Wahlkreis St. Gallen for September 2025
Your guide to Wahlkreis St. Gallen weather in September - trends and predictions
In general, the average temperature in Wahlkreis St. Gallen at the beginning of September is 22.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.1 °C by the end of September.
Wahlkreis St. Gallen experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 127 mm.
Temperatures
Rain 🌧️
9
Dry days
21
Rainy days
0
Snow days
18°/10°
Temperatures
9 km/h
Avg max wind
80 %
Avg humidity
Wahlkreis St. Gallen in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  23° | 3 23° | 4 22° | 5 23° | 6 22° | 7 23° |
| 8 23° | 9 20° | 10  21° | 11 21° | 12  17° | 13  13° | 14 12° |
| 15 17° | 16 17° | 17 18° | 18 18° | 19 17° | 20 19° | 21 20° |
| 22 16° | 23 15° | 24 16° | 25 16° | 26 16° | 27 16° | 28 14° |
| 29 18° | 30 17° |
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Temperatures trend during September in Wahlkreis St. Gallen
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 23° /13° | 0.7 mm | 6 | |
| 2 Sept. | Sunny | 23° /13° | 2.6 mm | 6 | |
| 3 Sept. | Sunny | 23° /13° | 3.9 mm | 6 | |
| 4 Sept. | Partly cloudy | 22° /13° | 2.3 mm | 6 | |
| 5 Sept. | Sunny | 23° /12° | 1.6 mm | 6 | |
| 6 Sept. | Sunny | 22° /12° | 0 mm | 6 | |
| 7 Sept. | Sunny | 23° /12° | 0 mm | 6 | |
| 8 Sept. | Sunny | 23° /14° | 7.5 mm | 6 | |
| 9 Sept. | Partly cloudy | 20° /14° | 12.4 mm | 5 | |
| 10 Sept. | Patchy rain possible | 21° /13° | 1.3 mm | 5 | |
| 11 Sept. | Sunny | 21° /12° | 6.5 mm | 6 | |
| 12 Sept. | Thundery outbreaks possible | 17° /10° | 5.5 mm | 4 | |
| 13 Sept. | Mist | 13° /9° | 6.7 mm | 3 | |
| 14 Sept. | Mist | 12° /8° | 4.5 mm | 3 | |
| 15 Sept. | Mist | 17° /6° | 0 mm | 5 | |
| 16 Sept. | Partly cloudy | 17° /7° | 2 mm | 5 | |
| 17 Sept. | Sunny | 18° /10° | 3.4 mm | 5 | |
| 18 Sept. | Light rain shower | 18° /9° | 10.1 mm | 5 | |
| 19 Sept. | Light rain shower | 17° /10° | 2.9 mm | 4 | |
| 20 Sept. | Patchy rain possible | 19° /9° | 0.9 mm | 5 | |
| 21 Sept. | Partly cloudy | 20° /10° | 0.4 mm | 5 | |
| 22 Sept. | Light rain shower | 16° /9° | 15.9 mm | 4 | |
| 23 Sept. | Patchy rain possible | 15° /8° | 9.5 mm | 4 | |
| 24 Sept. | Sunny | 16° /7° | 1.4 mm | 5 | |
| 25 Sept. | Sunny | 16° /6° | 0 mm | 5 | |
| 26 Sept. | Sunny | 16° /9° | 5.4 mm | 4 | |
| 27 Sept. | Sunny | 16° /9° | 9 mm | 4 | |
| 28 Sept. | Partly cloudy | 14° /8° | 9.6 mm | 4 | |
| 29 Sept. | Sunny | 18° /8° | 0.4 mm | 5 | |
| 30 Sept. | Partly cloudy | 17° /9° | 0.6 mm | 5 | |
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Important Notice
Our weather forecast for Wahlkreis St. Gallen 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 Wahlkreis St. Gallen forecast closer to your planned date for the most up-to-date weather information.
Wahlkreis St. Gallen in September - FAQ
What are the expected maximum and minimum temperatures in Wahlkreis St. Gallen during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wahlkreis St. Gallen during September?
Significant rainfall exceeding 127 mm is expected in Wahlkreis St. Gallen during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Wahlkreis St. Gallen during September?
The average wind speed in Wahlkreis St. Gallen during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Wahlkreis St. Gallen
Explore the daily rainfall trends and prepare for Wahlkreis St. Gallens September weather 💧
UV exposure in Wahlkreis St. Gallen during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Wahlkreis St. Gallen?Get accurate weather forecasts for Wahlkreis St. Gallen, located at latitude 47.424 and longitude 9.375. Stay updated with localized weather information tailored for Wahlkreis St. Gallen.
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