Hesse (Frankfurt am Main)
September
Weather in Hesse for September 2025
Your guide to Hesse weather in September - trends and predictions
In general, the average temperature in Hesse at the beginning of September is 25.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.7 °C by the end of September.
Hesse sees moderate rainfall in September, averaging 6 rainy days.
Is September a good time to visit Hesse? check out the best time to travel to Hesse page.
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24
Dry days
6
Rainy days
0
Snow days
24°/14°
Temperatures
12 km/h
Avg max wind
62 %
Avg humidity
Hesse in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  27° | 3  26° | 4  24° | 5 28° | 6 24° | 7 28° |
| 8 27° | 9 25° | 10 24° | 11 23° | 12  21° | 13  18° | 14  19° |
| 15 22° | 16 20° | 17 24° | 18  24° | 19 23° | 20 24° | 21 24° |
| 22 22° | 23 19° | 24 19° | 25 20° | 26 20° | 27 21° | 28 20° |
| 29 20° | 30 18° |
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Temperatures trend during September in Hesse
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. | Light rain shower | 24° /15° | 7.6 mm | 5 | |
| 2 Sept. | Fog | 27° /16° | 1.6 mm | 6 | |
| 3 Sept. | Partly cloudy | 26° /17° | 1.3 mm | 6 | |
| 4 Sept. | Sunny | 24° /15° | 0.4 mm | 6 | |
| 5 Sept. | Sunny | 28° /16° | 1.2 mm | 7 | |
| 6 Sept. | Sunny | 24° /15° | 1.2 mm | 6 | |
| 7 Sept. | Sunny | 28° /15° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /16° | 0.5 mm | 7 | |
| 9 Sept. | Sunny | 25° /15° | 4.8 mm | 6 | |
| 10 Sept. | Sunny | 24° /15° | 0.1 mm | 6 | |
| 11 Sept. | Sunny | 23° /14° | 2.7 mm | 6 | |
| 12 Sept. | Thundery outbreaks possible | 21° /12° | 2.2 mm | 5 | |
| 13 Sept. | Overcast | 18° /10° | 0.1 mm | 4 | |
| 14 Sept. | Cloudy | 19° /11° | 0 mm | 5 | |
| 15 Sept. | Partly cloudy | 22° /9° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 20° /12° | 0.7 mm | 5 | |
| 17 Sept. | Sunny | 24° /14° | 0.1 mm | 7 | |
| 18 Sept. | Patchy light drizzle | 24° /15° | 1.6 mm | 6 | |
| 19 Sept. | Patchy rain possible | 23° /14° | 0 mm | 5 | |
| 20 Sept. | Partly cloudy | 24° /13° | 0 mm | 7 | |
| 21 Sept. | Patchy rain possible | 24° /13° | 2.7 mm | 6 | |
| 22 Sept. | Thundery outbreaks possible | 22° /12° | 0.5 mm | 5 | |
| 23 Sept. | Patchy rain possible | 19° /12° | 2.3 mm | 5 | |
| 24 Sept. | Sunny | 19° /11° | 1.8 mm | 5 | |
| 25 Sept. | Partly cloudy | 20° /11° | 2 mm | 5 | |
| 26 Sept. | Sunny | 20° /12° | 13.9 mm | 5 | |
| 27 Sept. | Overcast | 21° /12° | 0.1 mm | 5 | |
| 28 Sept. | Partly cloudy | 20° /12° | 0.4 mm | 5 | |
| 29 Sept. | Patchy rain possible | 20° /11° | 0 mm | 5 | |
| 30 Sept. | Sunny | 18° /10° | 0.4 mm | 5 | |
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Important Notice
Our weather forecast for Hesse 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 Hesse forecast closer to your planned date for the most up-to-date weather information.
Hesse in September - FAQ
What are the expected maximum and minimum temperatures in Hesse during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Hesse during September?
In September, Hesse can expect light to moderate rainfall, totaling 27.7 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Hesse during September?
The average wind speed in Hesse during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Hesse in September?
As you prepare for your trip to Hesse 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 Hesse, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- 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 Hesse
Explore the daily rainfall trends and prepare for Hesses September weather 💧
UV exposure in Hesse during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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