Nice in September: weather, sea and travel tips
Is September a good time to visit?
September in Nice suits a holiday combining the sea and city. Days average +24 °C and seasonal sea temperatures are +25 °C. A beach-only itinerary is less flexible when rainy days occur.
Weather in September
September is nearly over, so the forecast matters more for travel in the next few days. Nice in October.
- Water
- +25 °C
- Daytime air
- +24 °C
- Night-time air
- +19 °C
Early, mid or late September?
| Travel dates | Day | Night | Sea |
|---|---|---|---|
| 1–10 September | +25 °C | +21 °C | +27 °C |
| 11–20 September | +24 °C | +20 °C | +24 °C |
| 21–30 September | +21 °C | +17 °C | +23 °C |
Water in September
Seasonal data gives an average water temperature of +25 °C for the month. It averages +27 °C in the first ten days and +23 °C towards the end. These are seasonal averages, so the water on your travel dates can be warmer or cooler. Before your trip, check the water temperature and weather in the forecast for Nice.
Rainfall in September
In September, the average is 6 days with precipitation. In 2020–2025, the number ranged from 3 to 10 per month. Light precipitation is included in the count. This does not mean that it rains all day.
September or October: which should you choose?
| Month | Day | Night | Sea |
|---|---|---|---|
| September | +24 °C | +19 °C | +25 °C |
| October | +19 °C | +16 °C | +21 °C |
September has warmer days than October. October offers cooler conditions for walks.
The annual charts for Nice compare air and sea temperatures with the rest of the year. For a closer look at September, see the September charts and archive by year.
Things to do in September
- In dry weather, the Promenade des Anglais offers a walk beside the pebble beaches. Views of the Baie des Anges, palms and historic hotels form a distinctive city seafront.
- Castle Hill Park is an option for a dry day. Its viewpoints overlook the old town, harbour and Baie des Anges, offering a way to see Nice from above.
- For rainy weather, the Matisse Museum in Cimiez offers indoor galleries with paintings, sculpture and paper cut-outs. They introduce several sides of the artist’s work.
About the data
Air temperatures use the WorldWeatherAI archive for 2020–2025. Precipitation uses data for 2020–2025. Sea temperatures use WorldWeatherAI seasonal data.