Weather in Dornbirn for September 2026
In general, the average temperature in Dornbirn at the beginning of September is 22.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.7 °C by the end of September.
The climate of Dornbirn in September is notably wet, with an average of 15 rainy days, and a total of 148.1 mm of precipitation.
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Dornbirn Weather September
Temperatures trend during September in Dornbirn
September weather in Dornbirn day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 21° /10° | 4.2 mm | 5 | |
| 2 Sept. |  Light rain shower | 22° /10° | 2.4 mm | 5 | |
| 3 Sept. |  Sunny | 23° /9° | 2.6 mm | 6 | |
| 4 Sept. | Partly cloudy | 23° /10° | 6.2 mm | 6 | |
| 5 Sept. | Sunny | 21° /10° | 8.7 mm | 5 | |
| 6 Sept. | Sunny | 22° /8° | 0.1 mm | 5 | |
| 7 Sept. | Sunny | 25° /10° | 0 mm | 6 | |
| 8 Sept. | Light rain shower | 23° /11° | 4.3 mm | 6 | |
| 9 Sept. | Light rain shower | 19° /11° | 14.4 mm | 4 | |
| 10 Sept. | Light rain shower | 20° /10° | 2.8 mm | 4 | |
| 11 Sept. | Light rain shower | 20° /9° | 4 mm | 5 | |
| 12 Sept. | Light rain shower | 15° /8° | 4.5 mm | 4 | |
| 13 Sept. |  Mist | 15° /8° | 8.4 mm | 3 | |
| 14 Sept. | Light rain shower | 14° /7° | 12 mm | 3 | |
| 15 Sept. | Patchy rain possible | 19° /6° | 2.2 mm | 4 | |
| 16 Sept. | Patchy rain possible | 17° /5° | 2.8 mm | 4 | |
| 17 Sept. | Sunny | 18° /6° | 2.1 mm | 4 | |
| 18 Sept. | Sunny | 20° /7° | 8.7 mm | 5 | |
| 19 Sept. | Light rain shower | 21° /8° | 2.6 mm | 5 | |
| 20 Sept. | Patchy rain possible | 23° /9° | 0.7 mm | 5 | |
| 21 Sept. | Sunny | 21° /9° | 0.6 mm | 5 | |
| 22 Sept. | Light rain shower | 16° /7° | 15 mm | 4 | |
| 23 Sept. | Light rain shower | 15° /7° | 8.6 mm | 3 | |
| 24 Sept. | Sunny | 15° /6° | 8.3 mm | 4 | |
| 25 Sept. | Sunny | 15° /5° | 1.8 mm | 4 | |
| 26 Sept. | Sunny | 16° /7° | 3.8 mm | 4 | |
| 27 Sept. | Sunny | 15° /7° | 8.3 mm | 4 | |
| 28 Sept. |  Cloudy | 15° /7° | 7.2 mm | 3 | |
| 29 Sept. | Patchy rain possible | 17° /7° | 0.5 mm | 4 | |
| 30 Sept. | Cloudy | 17° /8° | 0.4 mm | 4 | |
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Dornbirn weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 23°/12° | 18°/9° | 14°/5° |
| Rainfall | 266 mm | 148 mm | 120 mm |
| Snowfall | 0 cm | 0 cm | 1 cm |
| Wind | 8.4 km/h | 8 km/h | 9 km/h |
| Humidity | 77% | 80% | 81% |
| Rainy days | 17 days | 15 days | 12 days |
| Snow days | 0 days | 0 days | 0 days |
| Dry days | 14 days | 15 days | 19 days |
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Dornbirn in September - FAQ
What are the expected maximum and minimum temperatures in Dornbirn during September?
How much rainfall should be expected in Dornbirn during September?
What are the typical wind conditions in Dornbirn during September?
September rainfall patterns in Dornbirn
UV exposure in Dornbirn during September
What to pack to Dornbirn in September?
Mild & changeable · highs around 18 °C, frequent showers
As you prepare for your trip to Dornbirn 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 Dornbirn, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Dornbirn?Get accurate weather forecasts for Dornbirn, located at latitude 47.414 and longitude 9.742. Stay updated with localized weather information tailored for Dornbirn.