Weather in Nice for September 2025
Until now, September 2025 in Nice is slightly cooler than the historical average by -1.9 °C.
Expect cooler weather in the next days in Nice with the forecast suggesting a temperature of 20.9 °C, lower than the historical average.
In general, the average temperature in Nice at the beginning of September is 25 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.7 °C by the end of September.
The climate of Nice in September is notably wet, with an average of 13 rainy days, and a total of 50.3 mm of precipitation.
Is September a good time to visit Nice? check out the best time to travel to Nice page.
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Nice Weather September
Temperatures trend during September in Nice
September weather in Nice day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 25° /20° | 0.9 mm | 6 | |
| 2 Sept. | Sunny | 25° /20° | 0.2 mm | 6 | |
| 3 Sept. | Sunny | 25° /20° | 0.6 mm | 6 | |
| 4 Sept. |  Patchy rain possible | 25° /21° | 1.2 mm | 6 | |
| 5 Sept. | Patchy rain possible | 25° /20° | 7 mm | 6 | |
| 6 Sept. | Sunny | 25° /20° | 0.5 mm | 6 | |
| 7 Sept. | Patchy rain possible | 25° /20° | 1.1 mm | 6 | |
| 8 Sept. |  Partly cloudy | 25° /20° | 3.4 mm | 6 | |
| 9 Sept. |  Cloudy | 25° /19° | 1.2 mm | 6 | |
| 10 Sept. | Sunny | 25° /19° | 2 mm | 6 | |
| 11 Sept. | Sunny | 24° /20° | 0 mm | 6 | |
| 12 Sept. | Patchy rain possible | 24° /19° | 0.5 mm | 6 | |
| 13 Sept. | Sunny | 23° /19° | 2.2 mm | 6 | |
| 14 Sept. | Cloudy | 23° /18° | 1.7 mm | 6 | |
| 15 Sept. | Sunny | 24° /19° | 0.8 mm | 6 | |
| 16 Sept. | Sunny | 24° /19° | 0 mm | 1.3 | |
| 17 Sept. | Sunny | 24° /19° | 0 mm | 1.4 | |
| 18 Sept. | Sunny | 24° /20° | 0 mm | 1.4 | |
| 19 Sept. | Sunny | 25° /21° | 0 mm | 1.4 | |
| 20 Sept. | Sunny | 25° /21° | 0 mm | 1.6 | |
| 21 Sept. | Sunny | 24° /20° | 0 mm | 6 | |
| 22 Sept. |  Moderate rain | 22° /17° | 6.9 mm | 4 | |
| 23 Sept. | Partly cloudy | 21° /15° | 0 mm | 5 | |
| 24 Sept. | Partly cloudy | 17° /11° | 0 mm | 4 | |
| 25 Sept. | Patchy rain possible | 18° /12° | 0.4 mm | 3 | |
| 26 Sept. | Patchy rain possible | 14° /12° | 1.5 mm | 3 | |
| 27 Sept. | Sunny | 17° /12° | 0 mm | 4 | |
| 28 Sept. | Sunny | 18° /13° | 0 mm | 5 | |
| 29 Sept. | Partly cloudy | 19° /15° | 0 mm | 5 | |
| 30 Sept. | Partly cloudy | 21° /17° | 0.5 mm | 6 | |
| Next | |||||
Nice weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible |
| Temperatures | 27°/22° | 23°/19° | 20°/16° |
| Rainfall | 62 mm | 50 mm | 103 mm |
| Wind | 11.5 km/h | 14 km/h | 13.1 km/h |
| Humidity | 61% | 62% | 68% |
| Rainy days | 13 days | 13 days | 17 days |
| Dry days | 18 days | 17 days | 14 days |
Planning a trip to Nice? Discover the best time to visit
Guide for Nice in September
In September, Nice, France experiences a transition from the warm summer weather to the cooler temperatures of early autumn. At the beginning of the month, the weather in Nice is generally pleasant, with average temperatures around 23° and occasional showers.
The Mediterranean climate ensures that the sea is still warm enough for swimming, making it an ideal time for beachgoers to enjoy the last days of summer.
As the month progresses, the temperatures in Nice begin to gradually decrease. By the end of September, the average temperature in Nice hovers around 20°, signaling the arrival of autumn.
The chances of rainfall also increase towards the end of the month, with intermittent cloudy days becoming more frequent.
Overall, September in Nice offers a mix of warm, sunny days and cooler, more temperate weather as the month progresses.
Travelers can still enjoy outdoor activities and sightseeing at the beginning of the month, while towards the end, they may want to pack some layers to stay comfortable in the cooler temperatures.
Nice in September - FAQ
Nice water temperatures in September
The average water temperature of the Mediterranean Sea near Nice in September is 22.6 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Nice in September?
- The average water temperature in Nice in September is 22.6 °C.
- Can you swim in Nice in September?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
What to pack to Nice in September?
As you prepare for your trip to Nice 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 Nice, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable 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
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Nice
UV exposure in Nice during September
Quick links
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