Weather in Paris for September 2025
In general, the average temperature in Paris at the beginning of September is 27.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.6 °C by the end of September.
Paris sees moderate rainfall in September, averaging 7 rainy days.
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Paris in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  26° | 3  26° | 4 26° | 5 27° | 6 28° | 7 30° |
| 8 27° | 9 26° | 10  27° | 11  22° | 12  18° | 13 20° | 14  22° |
| 15 24° | 16 24° | 17 25° | 18 24° | 19 23° | 20 24° | 21 22° |
| 22 19° | 23 19° | 24 18° | 25 20° | 26 21° | 27 21° | 28 19° |
| 29 19° | 30 19° |
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Temperatures trend during September in Paris
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light drizzle | 27° /18° | 2.9 mm | 7 | |
| 2 Sept. | Patchy rain possible | 26° /17° | 0.3 mm | 6 | |
| 3 Sept. | Sunny | 26° /18° | 0 mm | 6 | |
| 4 Sept. | Sunny | 26° /16° | 0 mm | 6 | |
| 5 Sept. | Sunny | 27° /17° | 7.4 mm | 6 | |
| 6 Sept. | Sunny | 28° /17° | 0.1 mm | 7 | |
| 7 Sept. | Sunny | 30° /17° | 3.9 mm | 7 | |
| 8 Sept. | Sunny | 27° /18° | 8 mm | 7 | |
| 9 Sept. | Sunny | 26° /18° | 0.7 mm | 6 | |
| 10 Sept. | Partly cloudy | 27° /17° | 0 mm | 6 | |
| 11 Sept. | Thundery outbreaks possible | 22° /16° | 1.1 mm | 5 | |
| 12 Sept. | Overcast | 18° /13° | 1.9 mm | 5 | |
| 13 Sept. | Overcast | 20° /12° | 0 mm | 5 | |
| 14 Sept. | Cloudy | 22° /14° | 0 mm | 6 | |
| 15 Sept. | Partly cloudy | 24° /13° | 0 mm | 7 | |
| 16 Sept. | Partly cloudy | 24° /14° | 0.2 mm | 6 | |
| 17 Sept. | Partly cloudy | 25° /15° | 0.5 mm | 6 | |
| 18 Sept. | Partly cloudy | 24° /16° | 0.4 mm | 6 | |
| 19 Sept. | Overcast | 23° /14° | 0 mm | 6 | |
| 20 Sept. | Overcast | 24° /15° | 0.6 mm | 5 | |
| 21 Sept. | Light rain shower | 22° /14° | 6.5 mm | 5 | |
| 22 Sept. | Light rain shower | 19° /13° | 6.6 mm | 4 | |
| 23 Sept. | Patchy rain possible | 19° /12° | 3.1 mm | 5 | |
| 24 Sept. | Sunny | 18° /12° | 3.7 mm | 5 | |
| 25 Sept. | Partly cloudy | 20° /13° | 10.3 mm | 5 | |
| 26 Sept. | Sunny | 21° /14° | 6.2 mm | 5 | |
| 27 Sept. | Cloudy | 21° /13° | 1.2 mm | 5 | |
| 28 Sept. | Overcast | 19° /12° | 0 mm | 4 | |
| 29 Sept. | Patchy rain possible | 19° /12° | 0.1 mm | 4 | |
| 30 Sept. | Sunny | 19° /11° | 0.3 mm | 5 | |
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Guide for Paris in September
In September, Paris experiences a transition from late summer to early autumn, bringing about noticeable changes in the weather. At the beginning of the month, Paris typically enjoys mild and pleasant conditions with average temperatures around 18°.
The city experiences lingering warmth from the summer months, making it an ideal time to explore outdoor attractions such as the Eiffel Tower and the Louvre Museum.
As the month progresses, the weather gradually cools down, and by the end of September, temperatures in Paris tend to drop to around 15°. Visitors can expect the arrival of autumnal elements, including occasional light showers and a crispness in the air.
This shift in weather creates a charming atmosphere, especially for leisurely walks along the Seine River or through the picturesque streets of Montmartre.
Overall, September in Paris offers a delightful blend of lingering summer warmth and the beginnings of autumn, making it a favorable time to visit for those who appreciate milder temperatures and fewer crowds.
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Paris in September - FAQ
What to pack to Paris in September?
As you prepare for your trip to Paris 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 Paris, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Paris
UV exposure in Paris during September
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