Rouen
September
Weather in Rouen for September 2025
Your guide to Rouen weather in September - trends and predictions
In general, the average temperature in Rouen at the beginning of September is 25 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.1 °C by the end of September.
The climate of Rouen in September is notably wet, with an average of 11 rainy days.
Is September a good time to visit Rouen? check out the best time to travel to Rouen page.
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19
Dry days
11
Rainy days
0
Snow days
24°/14°
Temperatures
18 km/h
Avg max wind
70 %
Avg humidity
Rouen in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  23° | 3  26° | 4 23° | 5  23° | 6 27° | 7 27° |
| 8 24° | 9  24° | 10 24° | 11 19° | 12  18° | 13  18° | 14 21° |
| 15 23° | 16 23° | 17 23° | 18 23° | 19 22° | 20 23° | 21 20° |
| 22 17° | 23 18° | 24 19° | 25 17° | 26 21° | 27 18° | 28 17° |
| 29 17° | 30 18° |
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Temperatures trend during September in Rouen
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. | Moderate or heavy rain shower | 26° /17° | 15.4 mm | 6 | |
| 2 Sept. | Patchy rain possible | 23° /15° | 1 mm | 6 | |
| 3 Sept. | Sunny | 26° /14° | 0.1 mm | 6 | |
| 4 Sept. | Sunny | 23° /13° | 0.8 mm | 6 | |
| 5 Sept. | Cloudy | 23° /14° | 3.3 mm | 5 | |
| 6 Sept. | Sunny | 27° /16° | 0.3 mm | 7 | |
| 7 Sept. | Sunny | 27° /15° | 2.6 mm | 7 | |
| 8 Sept. | Sunny | 24° /15° | 10.5 mm | 6 | |
| 9 Sept. | Partly cloudy | 24° /15° | 0.4 mm | 6 | |
| 10 Sept. | Partly cloudy | 24° /14° | 0.8 mm | 6 | |
| 11 Sept. | Light rain shower | 19° /11° | 2.8 mm | 5 | |
| 12 Sept. | Overcast | 18° /10° | 1.5 mm | 4 | |
| 13 Sept. | Mist | 18° /10° | 0.4 mm | 5 | |
| 14 Sept. | Cloudy | 21° /11° | 0 mm | 5 | |
| 15 Sept. | Sunny | 23° /10° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 23° /13° | 0.1 mm | 6 | |
| 17 Sept. | Light rain shower | 23° /13° | 0.7 mm | 6 | |
| 18 Sept. | Light rain shower | 23° /13° | 3.2 mm | 6 | |
| 19 Sept. | Overcast | 22° /12° | 0 mm | 6 | |
| 20 Sept. | Patchy rain possible | 23° /13° | 0.9 mm | 5 | |
| 21 Sept. | Light rain shower | 20° /12° | 8.9 mm | 5 | |
| 22 Sept. | Light rain shower | 17° /12° | 6.4 mm | 4 | |
| 23 Sept. | Patchy rain possible | 18° /9° | 1.7 mm | 5 | |
| 24 Sept. | Sunny | 19° /10° | 5.6 mm | 5 | |
| 25 Sept. | Patchy rain possible | 17° /11° | 8.9 mm | 4 | |
| 26 Sept. | Light rain shower | 21° /13° | 2.7 mm | 5 | |
| 27 Sept. | Partly cloudy | 18° /12° | 1.3 mm | 5 | |
| 28 Sept. | Mist | 17° /8° | 0.1 mm | 4 | |
| 29 Sept. | Light rain shower | 17° /8° | 0.6 mm | 4 | |
| 30 Sept. | Sunny | 18° /10° | 0.8 mm | 5 | |
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Important Notice
Our weather forecast for Rouen 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 Rouen forecast closer to your planned date for the most up-to-date weather information.
Rouen in September - FAQ
What are the expected maximum and minimum temperatures in Rouen 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 Rouen during September?
Moderate rainfall is anticipated in Rouen during September, with a total of 58.4 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Rouen during September?
The average wind speed in Rouen during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Rouen in September?
As you prepare for your trip to Rouen 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 Rouen, 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 Rouen
Explore the daily rainfall trends and prepare for Rouens September weather 💧
UV exposure in Rouen during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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