Île-de-France (Paris)
September
Weather in Île-de-France for September 2026
Your guide to Île-de-France weather in September - trends and predictions
In general, the average temperature in Île-de-France at the beginning of September is 26.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.6 °C by the end of September.
Île-de-France in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 66 mm.
Is September a good time to visit Île-de-France? check out the best time to travel to Île-de-France page.
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Temperatures
Rain 🌧️
More
10
Dry days
20
Rainy days
0
Snow days
23°/14°
Temperatures
15 km/h
Avg max wind
60 %
Avg humidity
Île-de-France Weather September
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What’s the Weather Like in Île-de-France This September?
Discover the average temperatures and weather trends across Île-de-France’s cities this September.
Temperatures trend during September in Île-de-France
See the weather trend as well as the moving average line
September weather in Île-de-France day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 26° /15° | 1.7 mm | 6 | |
| 2 Sept. | Patchy rain possible | 25° /15° | 3.1 mm | 6 | |
| 3 Sept. | Patchy rain possible | 26° /16° | 0.4 mm | 6 | |
| 4 Sept. | Patchy rain possible | 26° /15° | 1.7 mm | 6 | |
| 5 Sept. |  Moderate rain at times | 26° /16° | 3.7 mm | 6 | |
| 6 Sept. |  Sunny | 28° /16° | 1.9 mm | 7 | |
| 7 Sept. | Sunny | 29° /16° | 2.5 mm | 7 | |
| 8 Sept. |  Overcast | 26° /17° | 3.4 mm | 6 | |
| 9 Sept. | Patchy rain possible | 25° /17° | 1.1 mm | 6 | |
| 10 Sept. | Moderate rain at times | 24° /16° | 0.6 mm | 5 | |
| 11 Sept. |  Partly cloudy | 23° /15° | 0.7 mm | 5 | |
| 12 Sept. | Sunny | 22° /13° | 0.8 mm | 6 | |
| 13 Sept. | Patchy rain possible | 23° /14° | 1.6 mm | 5 | |
| 14 Sept. | Moderate or heavy rain shower | 23° /15° | 7.9 mm | 5 | |
| 15 Sept. | Patchy rain possible | 24° /14° | 1.7 mm | 6 | |
| 16 Sept. | Patchy rain possible | 21° /13° | 0.1 mm | 5 | |
| 17 Sept. |  Cloudy | 23° /13° | 0.2 mm | 5 | |
| 18 Sept. | Patchy rain possible | 23° /14° | 0.2 mm | 5 | |
| 19 Sept. | Partly cloudy | 24° /13° | 0.1 mm | 6 | |
| 20 Sept. | Patchy rain possible | 22° /14° | 2.3 mm | 5 | |
| 21 Sept. | Overcast | 20° /12° | 2.9 mm | 5 | |
| 22 Sept. | Light rain shower | 20° /11° | 2.8 mm | 5 | |
| 23 Sept. | Sunny | 19° /10° | 3.6 mm | 5 | |
| 24 Sept. | Light rain shower | 18° /11° | 4.2 mm | 4 | |
| 25 Sept. | Patchy rain possible | 19° /11° | 4.5 mm | 5 | |
| 26 Sept. | Patchy rain possible | 19° /12° | 4 mm | 4 | |
| 27 Sept. | Patchy rain possible | 19° /11° | 1.4 mm | 4 | |
| 28 Sept. | Sunny | 18° /11° | 0.5 mm | 4 | |
| 29 Sept. | Moderate or heavy rain shower | 18° /11° | 1.9 mm | 4 | |
| 30 Sept. | Sunny | 19° /10° | 0.3 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Île-de-France 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 Île-de-France forecast closer to your planned date for the most up-to-date weather information.
Change Month
Île-de-France weather in September vs August vs October
Compare September weather in Île-de-France with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 26°/16° | 23°/14° | 18°/11° |
| Rainfall | 51 mm | 66 mm | 85 mm |
| Wind | 15.2 km/h | 15 km/h | 16.2 km/h |
| Humidity | 56% | 60% | 66% |
| Rainy days | 16 days | 20 days | 21 days |
| Dry days | 15 days | 10 days | 10 days |
Planning a trip to Île-de-France? Discover the best time to visit
Île-de-France in September - FAQ
What are the expected maximum and minimum temperatures in Île-de-France during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Île-de-France during September?
Moderate rainfall is anticipated in Île-de-France during September, with a total of 66 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Île-de-France during September?
The average wind speed in Île-de-France during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Île-de-France in September?
As you prepare for your trip to Île-de-France 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 Île-de-France, 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 Île-de-France
Explore the daily rainfall trends and prepare for Île-de-Frances September weather 💧
Typically, Île-de-France has 20 rainy days in September with a total of 66 mm of rainfall.
UV exposure in Île-de-France during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Île-de-France
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Top locations in Île-de-France
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