Hannover
September
Weather in Hannover for September 2025
Your guide to Hannover weather in September - trends and predictions
In general, the average temperature in Hannover at the beginning of September is 26.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19 °C by the end of September.
The climate of Hannover in September is notably wet, with an average of 15 rainy days, and a total of 56.5 mm of precipitation.
Is September a good time to visit Hannover? check out the best time to travel to Hannover page.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
22°/13°
Temperatures
18 km/h
Avg max wind
67 %
Avg humidity
Hannover in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  24° | 3  25° | 4 26° | 5  30° | 6 29° | 7 29° |
| 8 27° | 9 24° | 10 23° | 11 23° | 12  20° | 13  17° | 14 18° |
| 15 20° | 16 22° | 17 25° | 18 24° | 19 22° | 20 23° | 21 24° |
| 22  21° | 23 19° | 24 19° | 25 19° | 26 20° | 27 20° | 28 18° |
| 29 20° | 30 17° |
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Temperatures trend during September in Hannover
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 | 22° /12° | 1.5 mm | 6 | |
| 2 Sept. | Cloudy | 24° /13° | 0.4 mm | 6 | |
| 3 Sept. | Partly cloudy | 25° /16° | 0.5 mm | 6 | |
| 4 Sept. | Partly cloudy | 26° /14° | 9.6 mm | 7 | |
| 5 Sept. | Sunny | 30° /16° | 0.2 mm | 7 | |
| 6 Sept. | Sunny | 29° /17° | 0.1 mm | 7 | |
| 7 Sept. | Sunny | 29° /16° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /16° | 2.2 mm | 7 | |
| 9 Sept. | Sunny | 24° /15° | 15.4 mm | 6 | |
| 10 Sept. | Sunny | 23° /14° | 2.6 mm | 6 | |
| 11 Sept. | Sunny | 23° /13° | 2.8 mm | 6 | |
| 12 Sept. | Thundery outbreaks possible | 20° /11° | 3.7 mm | 5 | |
| 13 Sept. | Overcast | 17° /8° | 0.5 mm | 4 | |
| 14 Sept. | Sunny | 18° /7° | 0 mm | 5 | |
| 15 Sept. | Partly cloudy | 20° /8° | 0 mm | 5 | |
| 16 Sept. | Partly cloudy | 22° /11° | 0.2 mm | 6 | |
| 17 Sept. | Cloudy | 25° /12° | 0 mm | 6 | |
| 18 Sept. | Partly cloudy | 24° /15° | 0 mm | 6 | |
| 19 Sept. | Cloudy | 22° /13° | 0 mm | 5 | |
| 20 Sept. | Cloudy | 23° /14° | 0 mm | 6 | |
| 21 Sept. | Cloudy | 24° /12° | 0.9 mm | 6 | |
| 22 Sept. | Light drizzle | 21° /12° | 1.4 mm | 5 | |
| 23 Sept. | Patchy rain possible | 19° /12° | 0.5 mm | 5 | |
| 24 Sept. | Sunny | 19° /10° | 2 mm | 5 | |
| 25 Sept. | Overcast | 19° /11° | 3.1 mm | 5 | |
| 26 Sept. | Overcast | 20° /12° | 2.8 mm | 5 | |
| 27 Sept. | Sunny | 20° /12° | 1.1 mm | 5 | |
| 28 Sept. | Partly cloudy | 18° /11° | 1.2 mm | 5 | |
| 29 Sept. | Light rain shower | 20° /10° | 2 mm | 5 | |
| 30 Sept. | Patchy rain possible | 17° /8° | 1.9 mm | 4 | |
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Important Notice
Our weather forecast for Hannover 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 Hannover forecast closer to your planned date for the most up-to-date weather information.
Hannover in September - FAQ
What are the expected maximum and minimum temperatures in Hannover during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Hannover during September?
Moderate rainfall is anticipated in Hannover during September, with a total of 56.5 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Hannover during September?
The average wind speed in Hannover during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Hannover in September?
As you prepare for your trip to Hannover 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 Hannover, 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 Hannover
Explore the daily rainfall trends and prepare for Hannovers September weather 💧
UV exposure in Hannover during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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