Passau
September
Weather in Passau for September 2025
Your guide to Passau weather in September - trends and predictions
In general, the average temperature in Passau at the beginning of September is 26.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.3 °C by the end of September.
The climate of Passau in September is notably wet, with an average of 14 rainy days.
Is September a good time to visit Passau? check out the best time to travel to Passau page.
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16
Dry days
14
Rainy days
0
Snow days
21°/10°
Temperatures
12 km/h
Avg max wind
80 %
Avg humidity
Passau in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  26° | 3 28° | 4  26° | 5 30° | 6 20° | 7 27° |
| 8 25° | 9 16° | 10 16° | 11 19° | 12 10° | 13 11° | 14  13° |
| 15 17° | 16 17° | 17 21° | 18  23° | 19 20° | 20  22° | 21 22° |
| 22  18° | 23 18° | 24 18° | 25 20° | 26 20° | 27 19° | 28 17° |
| 29 17° | 30 17° |
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Temperatures trend during September in Passau
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. | Sunny | 28° /15° | 0.1 mm | 7 | |
| 2 Sept. | Light rain shower | 26° /14° | 4.1 mm | 6 | |
| 3 Sept. | Patchy rain possible | 28° /14° | 1.2 mm | 6 | |
| 4 Sept. | Patchy light rain with thunder | 26° /14° | 3.4 mm | 6 | |
| 5 Sept. | Sunny | 30° /14° | 0 mm | 8 | |
| 6 Sept. | Light rain shower | 20° /13° | 1.2 mm | 5 | |
| 7 Sept. | Sunny | 27° /12° | 0 mm | 7 | |
| 8 Sept. | Patchy rain possible | 25° /13° | 1.5 mm | 6 | |
| 9 Sept. | Light rain shower | 16° /12° | 18.8 mm | 4 | |
| 10 Sept. | Light rain shower | 16° /9° | 4.5 mm | 4 | |
| 11 Sept. | Patchy rain possible | 19° /9° | 5.3 mm | 4 | |
| 12 Sept. | Light rain shower | 10° /5° | 9.9 mm | 3 | |
| 13 Sept. | Light rain shower | 11° /5° | 7.7 mm | 3 | |
| 14 Sept. | Moderate rain | 13° /7° | 27 mm | 3 | |
| 15 Sept. | Sunny | 17° /7° | 11.4 mm | 5 | |
| 16 Sept. | Sunny | 17° /9° | 5.8 mm | 4 | |
| 17 Sept. | Sunny | 21° /8° | 0.7 mm | 6 | |
| 18 Sept. | Partly cloudy | 23° /10° | 1.8 mm | 6 | |
| 19 Sept. | Light rain shower | 20° /10° | 0.9 mm | 5 | |
| 20 Sept. | Mist | 22° /10° | 0 mm | 6 | |
| 21 Sept. | Mist | 22° /9° | 0 mm | 6 | |
| 22 Sept. | Light drizzle | 18° /8° | 1.5 mm | 5 | |
| 23 Sept. | Fog | 18° /8° | 0.2 mm | 4 | |
| 24 Sept. | Partly cloudy | 18° /7° | 2.5 mm | 5 | |
| 25 Sept. | Partly cloudy | 20° /7° | 0 mm | 5 | |
| 26 Sept. | Mist | 20° /9° | 0.4 mm | 5 | |
| 27 Sept. | Mist | 19° /10° | 5.5 mm | 5 | |
| 28 Sept. | Partly cloudy | 17° /7° | 1 mm | 5 | |
| 29 Sept. | Partly cloudy | 17° /5° | 0 mm | 5 | |
| 30 Sept. | Fog | 17° /6° | 0.1 mm | 4 | |
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Important Notice
Our weather forecast for Passau 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 Passau forecast closer to your planned date for the most up-to-date weather information.
Passau in September - FAQ
What are the expected maximum and minimum temperatures in Passau during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Passau during September?
Moderate rainfall is anticipated in Passau during September, with a total of 73.3 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Passau during September?
The average wind speed in Passau during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Passau in September?
As you prepare for your trip to Passau 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 Passau, 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
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- 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
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