Weather in Cergy-Pontoise for September 2027
In general, the average temperature in Cergy-Pontoise at the beginning of September is 25.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20 °C by the end of September.
Cergy-Pontoise experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 48.5 mm.
Is September a good time to visit Cergy-Pontoise? check out the best time to travel to Cergy-Pontoise page.
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Cergy-Pontoise Weather September
Temperatures trend during September in Cergy-Pontoise
September weather in Cergy-Pontoise day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 25° /16° | 2.6 mm | 5 | |
| 2 Sept. |  Light rain shower | 24° /15° | 0.6 mm | 4 | |
| 3 Sept. |  Sunny | 25° /16° | 0.4 mm | 6 | |
| 4 Sept. | Sunny | 25° /16° | 0.4 mm | 6 | |
| 5 Sept. | Light rain | 25° /15° | 3.8 mm | 5 | |
| 6 Sept. |  Overcast | 27° /16° | 0.1 mm | 5.8 | |
| 7 Sept. | Patchy rain possible | 29° /18° | 1.5 mm | 5.7 | |
| 8 Sept. | Light rain | 25° /17° | 4.3 mm | 5 | |
| 9 Sept. | Sunny | 24° /16° | 0.4 mm | 5.5 | |
| 10 Sept. |  Partly cloudy | 24° /15° | 0.4 mm | 5 | |
| 11 Sept. | Light rain shower | 22° /14° | 1.1 mm | 4 | |
| 12 Sept. | Overcast | 21° /12° | 0.1 mm | 5 | |
| 13 Sept. | Light rain | 21° /13° | 2.5 mm | 4 | |
| 14 Sept. |  Cloudy | 22° /13° | 0.1 mm | 5 | |
| 15 Sept. | Partly cloudy | 25° /14° | 0.2 mm | 5 | |
| 16 Sept. | Patchy rain possible | 22° /13° | 0.3 mm | 4.9 | |
| 17 Sept. | Overcast | 24° /14° | 0.2 mm | 4.8 | |
| 18 Sept. | Partly cloudy | 25° /14° | 0.2 mm | 4.7 | |
| 19 Sept. | Overcast | 25° /14° | 0 mm | 4.6 | |
| 20 Sept. | Patchy rain possible | 24° /16° | 1.9 mm | 4 | |
| 21 Sept. | Light rain | 20° /13° | 7.4 mm | 4 | |
| 22 Sept. | Light rain | 20° /12° | 4.7 mm | 4 | |
| 23 Sept. | Patchy rain possible | 19° /11° | 1.9 mm | 4 | |
| 24 Sept. | Light rain | 19° /12° | 2.6 mm | 4 | |
| 25 Sept. | Light rain | 20° /12° | 5.2 mm | 4 | |
| 26 Sept. | Patchy rain possible | 20° /13° | 1.7 mm | 4 | |
| 27 Sept. | Partly cloudy | 21° /12° | 0.6 mm | 3.9 | |
| 28 Sept. | Partly cloudy | 20° /12° | 0.9 mm | 3.9 | |
| 29 Sept. | Patchy rain possible | 21° /12° | 0.1 mm | 3.8 | |
| 30 Sept. | Patchy rain possible | 20° /13° | 2.4 mm | 3.7 | |
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Cergy-Pontoise weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 27°/16° | 23°/14° | 17°/11° |
| Rainfall | 64 mm | 49 mm | 67 mm |
| Wind | 17.3 km/h | 17.2 km/h | 18.6 km/h |
| Humidity | 57% | 63% | 69% |
| Rainy days | 9 days | 7 days | 12 days |
| Dry days | 22 days | 23 days | 19 days |
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Cergy-Pontoise in September - FAQ
What are the expected maximum and minimum temperatures in Cergy-Pontoise during September?
How much rainfall should be expected in Cergy-Pontoise during September?
What are the typical wind conditions in Cergy-Pontoise during September?
September rainfall patterns in Cergy-Pontoise
UV exposure in Cergy-Pontoise during September
What to pack to Cergy-Pontoise in September?
Mild & changeable · highs around 23 °C, occasional showers
As you prepare for your trip to Cergy-Pontoise 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 Cergy-Pontoise, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
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Where is Cergy-Pontoise?Get accurate weather forecasts for Cergy-Pontoise, located at latitude 49.039 and longitude 2.078. Stay updated with localized weather information tailored for Cergy-Pontoise.