Weather in Frankfurt for September 2025
In general, the average temperature in Frankfurt at the beginning of September is 26 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.1 °C by the end of September.
Frankfurt sees moderate rainfall in September, averaging 9 rainy days.
Is September a good time to visit Frankfurt? check out the best time to travel to Frankfurt page.
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Frankfurt in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 25° | 2 27° | 3 26° | 4 24° | 5 28° | 6 24° | 7 28° |
8 27° | 9 22° | 10 23° | 11 22° | 12 21° | 13 18° | 14 19° |
15 20° | 16 19° | 17 24° | 18 24° | 19 21° | 20 23° | 21 24° |
22 21° | 23 20° | 24 19° | 25 20° | 26 20° | 27 20° | 28 19° |
29 19° | 30 17° |
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Temperatures trend during September in Frankfurt
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Light rain shower | 25° /14° | 2.3 mm | 6 | |
2 Sept. | Partly cloudy | 27° /14° | 3.1 mm | 7 | |
3 Sept. | Patchy rain possible | 26° /15° | 1.8 mm | 6 | |
4 Sept. | Sunny | 24° /14° | 2.3 mm | 6 | |
5 Sept. | Sunny | 28° /15° | 0 mm | 7 | |
6 Sept. | Sunny | 24° /13° | 0.5 mm | 6 | |
7 Sept. | Sunny | 28° /13° | 0 mm | 7 | |
8 Sept. | Sunny | 27° /13° | 3.5 mm | 7 | |
9 Sept. | Sunny | 22° /13° | 6.2 mm | 6 | |
10 Sept. | Sunny | 23° /14° | 0.5 mm | 6 | |
11 Sept. | Partly cloudy | 22° /12° | 1.4 mm | 5 | |
12 Sept. | Sunny | 21° /10° | 0.7 mm | 5 | |
13 Sept. | Overcast | 18° /9° | 0.4 mm | 5 | |
14 Sept. | Mist | 19° /8° | 3.8 mm | 5 | |
15 Sept. | Partly cloudy | 20° /7° | 0 mm | 5 | |
16 Sept. | Sunny | 19° /10° | 2.4 mm | 5 | |
17 Sept. | Partly cloudy | 24° /12° | 0.1 mm | 6 | |
18 Sept. | Light rain shower | 24° /12° | 4.4 mm | 6 | |
19 Sept. | Cloudy | 21° /13° | 0.3 mm | 5 | |
20 Sept. | Partly cloudy | 23° /11° | 0 mm | 6 | |
21 Sept. | Partly cloudy | 24° /11° | 0.2 mm | 7 | |
22 Sept. | Patchy light drizzle | 21° /11° | 1.4 mm | 5 | |
23 Sept. | Patchy rain possible | 20° /11° | 7 mm | 5 | |
24 Sept. | Sunny | 19° /10° | 6.2 mm | 5 | |
25 Sept. | Sunny | 20° /8° | 1.1 mm | 5 | |
26 Sept. | Sunny | 20° /11° | 8.9 mm | 5 | |
27 Sept. | Sunny | 20° /11° | 1.2 mm | 5 | |
28 Sept. | Overcast | 19° /9° | 0.6 mm | 4 | |
29 Sept. | Partly cloudy | 19° /8° | 0.3 mm | 5 | |
30 Sept. | Light drizzle | 17° /8° | 0.6 mm | 4 | |
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Frankfurt in September - FAQ
What to pack to Frankfurt in September?
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
- 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
September rainfall patterns in Frankfurt
UV exposure in Frankfurt during September
Quick links
Get accurate weather forecasts for Frankfurt, located at latitude 49.683 and longitude 10.533. Stay updated with localized weather information tailored for Frankfurt.