Upper Austria
September
Weather in Upper Austria for September 2025
Your guide to Upper Austria weather in September - trends and predictions
In general, the average temperature in Upper Austria at the beginning of September is 21.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.7 °C by the end of September.
The climate of Upper Austria in September is notably wet, with an average of 11 rainy days.
Is September a good time to visit Upper Austria? check out the best time to travel to Upper Austria page.
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19
Dry days
11
Rainy days
0
Snow days
19°/8°
Temperatures
9 km/h
Avg max wind
75 %
Avg humidity
Upper Austria in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 22° | 3  20° | 4 20° | 5  22° | 6 21° | 7 24° |
| 8 23° | 9 19° | 10 19° | 11 21° | 12  15° | 13  9° | 14 7° |
| 15 9° | 16  11° | 17 12° | 18 16° | 19 14° | 20 18° | 21 18° |
| 22 16° | 23 13° | 24 10° | 25 17° | 26 19° | 27 17° | 28 13° |
| 29 14° | 30 13° |
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Temperatures trend during September in Upper Austria
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 22° /8° | 4.4 mm | 0 cm | |
| 2 Sept. | Patchy rain possible | 22° /8° | 4.2 mm | 0 cm | |
| 3 Sept. | Mist | 20° /9° | 0.6 mm | 0 cm | |
| 4 Sept. | Fog | 20° /9° | 1.3 mm | 0 cm | |
| 5 Sept. | Sunny | 22° /7° | 0 mm | 0 cm | |
| 6 Sept. | Sunny | 21° /9° | 1.6 mm | 0 cm | |
| 7 Sept. | Sunny | 24° /8° | 0 mm | 0 cm | |
| 8 Sept. | Sunny | 23° /8° | 0.7 mm | 0 cm | |
| 9 Sept. | Sunny | 19° /7° | 23.5 mm | 0 cm | |
| 10 Sept. | Sunny | 19° /8° | 3.8 mm | 0 cm | |
| 11 Sept. | Patchy rain possible | 21° /8° | 8.6 mm | 0 cm | |
| 12 Sept. | Thundery outbreaks possible | 15° /5° | 22.2 mm | 14.9 cm | |
| 13 Sept. | Moderate or heavy rain with thunder | 9° /5° | 22.8 mm | 10.2 cm | |
| 14 Sept. | Fog | 7° /3° | 37.5 mm | 31.9 cm | |
| 15 Sept. | Mist | 9° /3° | 14.3 mm | 12.1 cm | |
| 16 Sept. | Partly cloudy | 11° /3° | 11.9 mm | 10.1 cm | |
| 17 Sept. | Sunny | 12° /4° | 0.8 mm | 0.5 cm | |
| 18 Sept. | Partly cloudy | 16° /5° | 2.3 mm | 0 cm | |
| 19 Sept. | Light rain shower | 14° /6° | 7.9 mm | 0 cm | |
| 20 Sept. | Patchy rain possible | 18° /5° | 0 mm | 0 cm | |
| 21 Sept. | Patchy rain possible | 18° /6° | 0.1 mm | 0 cm | |
| 22 Sept. | Light rain shower | 16° /6° | 1.4 mm | 0 cm | |
| 23 Sept. | Light rain shower | 13° /5° | 1.1 mm | 0 cm | |
| 24 Sept. | Patchy rain possible | 10° /5° | 4 mm | 0 cm | |
| 25 Sept. | Sunny | 17° /4° | 0.2 mm | 0 cm | |
| 26 Sept. | Sunny | 19° /6° | 0 mm | 0 cm | |
| 27 Sept. | Sunny | 17° /6° | 4.4 mm | 0 cm | |
| 28 Sept. | Sunny | 13° /4° | 9.4 mm | 2.2 cm | |
| 29 Sept. | Partly cloudy | 14° /3° | 0.8 mm | 0.5 cm | |
| 30 Sept. | Light rain shower | 13° /4° | 2.2 mm | 0 cm | |
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Important Notice
Our weather forecast for Upper Austria 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 Upper Austria forecast closer to your planned date for the most up-to-date weather information.
Upper Austria in September - FAQ
What are the expected maximum and minimum temperatures in Upper Austria during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Upper Austria during September?
Moderate rainfall is anticipated in Upper Austria during September, with a total of 74.4 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Upper Austria during September?
The average wind speed in Upper Austria during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Upper Austria in September?
As you prepare for your trip to Upper Austria 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 Upper Austria, 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 Upper Austria
Explore the daily rainfall trends and prepare for Upper Austrias September weather 💧
September snowfall in Upper Austria
Track daily snowfall levels and discover Upper Austria’s snowy potential this September ❄️
UV exposure in Upper Austria during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Upper Austria
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Top locations in Upper Austria
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