Normandy (Rouen)
September
Weather in Normandy for September 2025
Your guide to Normandy weather in September - trends and predictions
In general, the average temperature in Normandy at the beginning of September is 25.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.9 °C by the end of September.
Normandy experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 78.8 mm.
Is September a good time to visit Normandy? check out the best time to travel to Normandy page.
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Temperatures
Rain 🌧️
More
5
Dry days
25
Rainy days
0
Snow days
21°/12°
Temperatures
19 km/h
Avg max wind
72 %
Avg humidity
Normandy in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  23° | 3 25° | 4  25° | 5 25° | 6  27° | 7 27° |
| 8 24° | 9  23° | 10 23° | 11 20° | 12 22° | 13 21° | 14 23° |
| 15 22° | 16 21° | 17  21° | 18 21° | 19 20° | 20 21° | 21 20° |
| 22 19° | 23 19° | 24 19° | 25 19° | 26 19° | 27 17° | 28 17° |
| 29 16° | 30 18° |
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Temperatures trend during September in Normandy
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. | Patchy rain possible | 25° /15° | 7.8 mm | 6 | |
| 2 Sept. | Sunny | 23° /14° | 3.1 mm | 6 | |
| 3 Sept. | Patchy rain possible | 25° /13° | 0.2 mm | 6 | |
| 4 Sept. | Moderate rain at times | 25° /13° | 1.2 mm | 6 | |
| 5 Sept. | Patchy rain possible | 25° /15° | 3.8 mm | 6 | |
| 6 Sept. | Partly cloudy | 27° /15° | 1.1 mm | 7 | |
| 7 Sept. | Sunny | 27° /15° | 4.2 mm | 6 | |
| 8 Sept. | Moderate or heavy rain shower | 24° /15° | 7.5 mm | 6 | |
| 9 Sept. | Overcast | 23° /14° | 1.7 mm | 5 | |
| 10 Sept. | Patchy rain possible | 23° /14° | 1.7 mm | 5 | |
| 11 Sept. | Sunny | 20° /11° | 1.4 mm | 5 | |
| 12 Sept. | Sunny | 22° /10° | 1.2 mm | 5 | |
| 13 Sept. | Sunny | 21° /12° | 4.1 mm | 5 | |
| 14 Sept. | Moderate or heavy rain shower | 23° /13° | 5.1 mm | 5 | |
| 15 Sept. | Patchy rain possible | 22° /11° | 0.5 mm | 6 | |
| 16 Sept. | Patchy rain possible | 21° /11° | 0.6 mm | 5 | |
| 17 Sept. | Cloudy | 21° /11° | 0.4 mm | 5 | |
| 18 Sept. | Overcast | 21° /11° | 1.7 mm | 5 | |
| 19 Sept. | Sunny | 20° /11° | 2.5 mm | 5 | |
| 20 Sept. | Patchy rain possible | 21° /11° | 1.3 mm | 5 | |
| 21 Sept. | Partly cloudy | 20° /10° | 4.5 mm | 5 | |
| 22 Sept. | Sunny | 19° /10° | 3.2 mm | 5 | |
| 23 Sept. | Sunny | 19° /9° | 1.4 mm | 5 | |
| 24 Sept. | Cloudy | 19° /11° | 3.6 mm | 5 | |
| 25 Sept. | Patchy rain possible | 19° /10° | 4.7 mm | 5 | |
| 26 Sept. | Light rain shower | 19° /12° | 3.9 mm | 4 | |
| 27 Sept. | Moderate or heavy rain shower | 17° /10° | 2.8 mm | 4 | |
| 28 Sept. | Patchy rain possible | 17° /9° | 0.8 mm | 4 | |
| 29 Sept. | Moderate rain at times | 16° /8° | 1.6 mm | 4 | |
| 30 Sept. | Overcast | 18° /8° | 1.3 mm | 5 | |
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Important Notice
Our weather forecast for Normandy 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 Normandy forecast closer to your planned date for the most up-to-date weather information.
Normandy in September - FAQ
What are the expected maximum and minimum temperatures in Normandy during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Normandy during September?
Moderate rainfall is anticipated in Normandy during September, with a total of 78.8 mm spread over approximately 25 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Normandy during September?
The average wind speed in Normandy during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Normandy in September?
As you prepare for your trip to Normandy 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 Normandy, 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 Normandy
Explore the daily rainfall trends and prepare for Normandys September weather 💧
UV exposure in Normandy during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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