Weather in Cannes for September 2026
So far, September 2026 in Cannes is slightly warmer than the historical average by 0.7 °C.
The forecast for the next days in Cannes predicts temperatures to be around 25 °C, close to the historical average.
In general, the average temperature in Cannes at the beginning of September is 25.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 23.1 °C by the end of September.
The climate of Cannes in September is notably wet, with an average of 15 rainy days, and a total of 68.8 mm of precipitation.
Is September a good time to visit Cannes? check out the best time to travel to Cannes page.
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Cannes Weather September
Temperatures trend during September in Cannes
September weather in Cannes day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 25° /20° | 1.7 mm | 6 | |
| 2 Sept. | Sunny | 26° /20° | 0.1 mm | 6 | |
| 3 Sept. | Sunny | 26° /21° | 0 mm | 6 | |
| 4 Sept. | Sunny | 26° /21° | 1.7 mm | 7 | |
| 5 Sept. | Sunny | 25° /20° | 6.8 mm | 6 | |
| 6 Sept. | Sunny | 25° /19° | 0 mm | 6 | |
| 7 Sept. | Sunny | 26° /20° | 1.2 mm | 6 | |
| 8 Sept. | Sunny | 25° /20° | 3.7 mm | 6 | |
| 9 Sept. | Sunny | 26° /19° | 2.4 mm | 5 | |
| 10 Sept. | Sunny | 24° /19° | 3.3 mm | 5 | |
| 11 Sept. |  Partly cloudy | 25° /19° | 0 mm | 6 | |
| 12 Sept. | Partly cloudy | 25° /19° | 0.1 mm | 7 | |
| 13 Sept. | Sunny | 25° /23° | 0 mm | 5.7 | |
| 14 Sept. | Sunny | 25° /22° | 0 mm | 5.7 | |
| 15 Sept. | Sunny | 25° /23° | 0 mm | 5.8 | |
| 16 Sept. | Sunny | 24° /22° | 0 mm | 5.8 | |
| 17 Sept. | Sunny | 24° /21° | 0 mm | 6 | |
| 18 Sept. | Partly cloudy | 24° /22° | 0 mm | 6 | |
| 19 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 20 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 21 Sept. | Sunny | 25° /23° | 0 mm | 6 | |
| 22 Sept. | Sunny | 25° /23° | 0 mm | 7 | |
| 23 Sept. | Sunny | 25° /24° | 0 mm | 6 | |
| 24 Sept. | Sunny | 25° /23° | 0 mm | 7 | |
| 25 Sept. | Sunny | 24° /22° | 0 mm | 6 | |
| 26 Sept. |  Overcast | 24° /22° | 0 mm | 5 | |
| 27 Sept. |  Cloudy | 23° /16° | 0 mm | 6 | |
| 28 Sept. | Sunny | 22° /15° | 0 mm | 6 | |
| 29 Sept. | Sunny | 22° /17° | 0 mm | 6 | |
| 30 Sept. | Sunny | 22° /16° | 0 mm | 6 | |
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Cannes weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny |  Patchy rain possible |
| Temperatures | 28°/21° | 23°/18° | 20°/15° |
| Rainfall | 66 mm | 69 mm | 130 mm |
| Wind | 15.1 km/h | 16.7 km/h | 18.2 km/h |
| Humidity | 61% | 64% | 70% |
| Rainy days | 7 days | 15 days | 19 days |
| Dry days | 24 days | 15 days | 12 days |
Planning a trip to Cannes? Discover the best time to visit
Cannes in September - FAQ
What are the expected maximum and minimum temperatures in Cannes during September?
How much rainfall should be expected in Cannes during September?
What are the typical wind conditions in Cannes during September?
Cannes water temperatures in September
The average water temperature of the Mediterranean Sea near Cannes in September is 24.6 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Cannes in September?
- The average water temperature in Cannes in September is 24.6 °C.
- Can you swim in Cannes in September?
- Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.
September rainfall patterns in Cannes
UV exposure in Cannes during September
What to pack to Cannes in September?
Mild · highs around 23 °C, frequent showers
As you prepare for your trip to Cannes 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 Cannes, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Cannes?Get accurate weather forecasts for Cannes, located at latitude 43.551 and longitude 7.013. Stay updated with localized weather information tailored for Cannes.