Weather in Frankfurt for September 2026
In general, the average temperature in Frankfurt at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.6 °C by the end of September.
Frankfurt in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 63.8 mm.
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Frankfurt Weather September
Temperatures trend during September in Frankfurt
September weather in Frankfurt day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 24° /13° | 2.1 mm | 5 | |
| 2 Sept. |  Partly cloudy | 24° /13° | 2.5 mm | 6 | |
| 3 Sept. | Patchy rain possible | 25° /13° | 1.3 mm | 6 | |
| 4 Sept. |  Sunny | 24° /14° | 3.8 mm | 6 | |
| 5 Sept. | Sunny | 25° /14° | 5 mm | 6 | |
| 6 Sept. | Sunny | 24° /12° | 0.4 mm | 6 | |
| 7 Sept. | Sunny | 26° /12° | 0 mm | 6 | |
| 8 Sept. | Sunny | 26° /12° | 2.3 mm | 6 | |
| 9 Sept. | Sunny | 22° /12° | 5.3 mm | 5 | |
| 10 Sept. | Sunny | 22° /13° | 1.1 mm | 5 | |
| 11 Sept. | Light rain shower | 21° /11° | 1.7 mm | 5 | |
| 12 Sept. | Sunny | 21° /10° | 0.5 mm | 5 | |
| 13 Sept. |  Overcast | 20° /9° | 0.4 mm | 5 | |
| 14 Sept. |  Mist | 19° /9° | 4.8 mm | 4 | |
| 15 Sept. | Partly cloudy | 21° /9° | 1 mm | 5 | |
| 16 Sept. | Sunny | 19° /10° | 1.6 mm | 5 | |
| 17 Sept. | Patchy rain possible | 22° /11° | 0.1 mm | 5 | |
| 18 Sept. | Light rain shower | 24° /11° | 3 mm | 6 | |
| 19 Sept. |  Cloudy | 23° /12° | 0.2 mm | 6 | |
| 20 Sept. | Partly cloudy | 25° /11° | 0 mm | 6 | |
| 21 Sept. | Partly cloudy | 24° /12° | 0.3 mm | 6 | |
| 22 Sept. |  Patchy light drizzle | 19° /10° | 3.8 mm | 4 | |
| 23 Sept. | Patchy rain possible | 19° /10° | 4.7 mm | 4 | |
| 24 Sept. | Sunny | 17° /9° | 6.9 mm | 4 | |
| 25 Sept. | Sunny | 17° /8° | 2.4 mm | 4 | |
| 26 Sept. | Sunny | 18° /9° | 6 mm | 4 | |
| 27 Sept. | Sunny | 17° /10° | 1.2 mm | 4 | |
| 28 Sept. | Overcast | 19° /9° | 0.4 mm | 4 | |
| 29 Sept. | Partly cloudy | 19° /8° | 0.2 mm | 5 | |
| 30 Sept. | Light drizzle | 16° /8° | 0.8 mm | 4 | |
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Frankfurt weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 25°/14° | 21°/11° | 15°/7° |
| Rainfall | 91 mm | 64 mm | 49 mm |
| Wind | 11.9 km/h | 13.7 km/h | 14.7 km/h |
| Humidity | 66% | 72% | 77% |
| Rainy days | 18 days | 19 days | 21 days |
| Dry days | 13 days | 11 days | 10 days |
Planning a trip to Frankfurt? Discover the best time to visit
Frankfurt in September - FAQ
What are the expected maximum and minimum temperatures in Frankfurt during September?
How much rainfall should be expected in Frankfurt during September?
What are the typical wind conditions in Frankfurt during September?
September rainfall patterns in Frankfurt
UV exposure in Frankfurt during September
What to pack to Frankfurt in September?
Mild & changeable · highs around 21 °C, frequent showers
As you prepare for your trip to Frankfurt 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 Frankfurt, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Frankfurt?Get accurate weather forecasts for Frankfurt, located at latitude 49.683 and longitude 10.533. Stay updated with localized weather information tailored for Frankfurt.