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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.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/8°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Upper Austria in September average weather

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Temperatures trend during September in Upper Austria

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain Snow More
1 Sept. Patchy rain possible
Patchy rain possible
22° /8° 4.4 mm 0 cm
2 Sept. Patchy rain possible
Patchy rain possible
22° /8° 4.2 mm 0 cm
3 Sept. Mist
Mist
20° /9° 0.6 mm 0 cm
4 Sept. Fog
Fog
20° /9° 1.3 mm 0 cm
5 Sept. Sunny
Sunny
22° /7° 0 mm 0 cm
6 Sept. Sunny
Sunny
21° /9° 1.6 mm 0 cm
7 Sept. Sunny
Sunny
24° /8° 0 mm 0 cm
8 Sept. Sunny
Sunny
23° /8° 0.7 mm 0 cm
9 Sept. Sunny
Sunny
19° /7° 23.5 mm 0 cm
10 Sept. Sunny
Sunny
19° /8° 3.8 mm 0 cm
11 Sept. Patchy rain possible
Patchy rain possible
21° /8° 8.6 mm 0 cm
12 Sept. Thundery outbreaks possible
Thundery outbreaks possible
15° /5° 22.2 mm 14.9 cm
13 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
9° /5° 22.8 mm 10.2 cm
14 Sept. Fog
Fog
7° /3° 37.5 mm 31.9 cm
15 Sept. Mist
Mist
9° /3° 14.3 mm 12.1 cm
16 Sept. Partly cloudy
Partly cloudy
11° /3° 11.9 mm 10.1 cm
17 Sept. Sunny
Sunny
12° /4° 0.8 mm 0.5 cm
18 Sept. Partly cloudy
Partly cloudy
16° /5° 2.3 mm 0 cm
19 Sept. Light rain shower
Light rain shower
14° /6° 7.9 mm 0 cm
20 Sept. Patchy rain possible
Patchy rain possible
18° /5° 0 mm 0 cm
21 Sept. Patchy rain possible
Patchy rain possible
18° /6° 0.1 mm 0 cm
22 Sept. Light rain shower
Light rain shower
16° /6° 1.4 mm 0 cm
23 Sept. Light rain shower
Light rain shower
13° /5° 1.1 mm 0 cm
24 Sept. Patchy rain possible
Patchy rain possible
10° /5° 4 mm 0 cm
25 Sept. Sunny
Sunny
17° /4° 0.2 mm 0 cm
26 Sept. Sunny
Sunny
19° /6° 0 mm 0 cm
27 Sept. Sunny
Sunny
17° /6° 4.4 mm 0 cm
28 Sept. Sunny
Sunny
13° /4° 9.4 mm 2.2 cm
29 Sept. Partly cloudy
Partly cloudy
14° /3° 0.8 mm 0.5 cm
30 Sept. Light rain shower
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 ☀️
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Location coordinates Where is Upper Austria?

Get accurate weather forecasts for Upper Austria, located at latitude 47.562 and longitude 13.649. Stay updated with localized weather information tailored for Upper Austria.

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