Weather in Passau for September 2026
In general, the average temperature in Passau at the beginning of September is 24.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17 °C by the end of September.
Passau in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 89.7 mm.
Is September a good time to visit Passau? check out the best time to travel to Passau page.
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Passau Weather September
Temperatures trend during September in Passau
September weather in Passau day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 26° /12° | 0 mm | 7 | |
| 2 Sept. |  Light rain shower | 22° /13° | 3.1 mm | 5 | |
| 3 Sept. | Patchy rain possible | 25° /12° | 0.6 mm | 6 | |
| 4 Sept. |  Patchy light rain with thunder | 27° /12° | 1.7 mm | 7 | |
| 5 Sept. | Sunny | 23° /12° | 5.3 mm | 6 | |
| 6 Sept. | Light rain shower | 21° /10° | 0.6 mm | 5 | |
| 7 Sept. | Sunny | 25° /10° | 0 mm | 6 | |
| 8 Sept. | Patchy rain possible | 23° /10° | 0.7 mm | 6 | |
| 9 Sept. | Light rain shower | 20° /10° | 11.9 mm | 5 | |
| 10 Sept. | Light rain shower | 19° /10° | 6.6 mm | 5 | |
| 11 Sept. | Patchy rain possible | 20° /10° | 2.9 mm | 5 | |
| 12 Sept. | Light rain shower | 13° /7° | 5.9 mm | 4 | |
| 13 Sept. | Light rain shower | 16° /7° | 4.3 mm | 5 | |
| 14 Sept. |  Moderate rain | 14° /7° | 20.2 mm | 3 | |
| 15 Sept. | Sunny | 19° /8° | 8.9 mm | 5 | |
| 16 Sept. | Sunny | 17° /9° | 4 mm | 4 | |
| 17 Sept. | Sunny | 20° /8° | 0.5 mm | 5 | |
| 18 Sept. |  Partly cloudy | 23° /10° | 1.2 mm | 6 | |
| 19 Sept. | Light rain shower | 22° /10° | 0.6 mm | 6 | |
| 20 Sept. |  Mist | 24° /10° | 0 mm | 6 | |
| 21 Sept. | Sunny | 23° /10° | 0 mm | 6 | |
| 22 Sept. |  Light drizzle | 18° /8° | 1.5 mm | 5 | |
| 23 Sept. | Patchy rain possible | 16° /8° | 0.1 mm | 4 | |
| 24 Sept. | Partly cloudy | 16° /7° | 2 mm | 4 | |
| 25 Sept. | Partly cloudy | 17° /7° | 1.7 mm | 4 | |
| 26 Sept. | Patchy rain possible | 19° /8° | 0.3 mm | 4 | |
| 27 Sept. | Mist | 18° /8° | 3.6 mm | 4 | |
| 28 Sept. | Partly cloudy | 17° /7° | 0.7 mm | 4 | |
| 29 Sept. | Patchy rain possible | 17° /5° | 0 mm | 4 | |
| 30 Sept. | Fog | 15° /6° | 0.6 mm | 3 | |
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Passau weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 25°/12° | 19°/9° | 15°/6° |
| Rainfall | 80 mm | 90 mm | 58 mm |
| Wind | 10.6 km/h | 12.3 km/h | 12.1 km/h |
| Humidity | 76% | 80% | 82% |
| Rainy days | 19 days | 16 days | 16 days |
| Dry days | 12 days | 14 days | 15 days |
Planning a trip to Passau? Discover the best time to visit
Passau in September - FAQ
What are the expected maximum and minimum temperatures in Passau during September?
How much rainfall should be expected in Passau during September?
What are the typical wind conditions in Passau during September?
September rainfall patterns in Passau
UV exposure in Passau during September
What to pack to Passau in September?
Mild & changeable · highs around 19 °C, frequent showers
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
👟 Footwear
🎒 Accessories
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Where is Passau?Get accurate weather forecasts for Passau, located at latitude 48.567 and longitude 13.431. Stay updated with localized weather information tailored for Passau.