September · France
Best time to visit Cannes in September Weather, crowds & prices
Weather in Cannes in September
Average temperature 22°C, 70 mm of rain, about 24 days with 6+ hours of sunshine and 68% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.7/10
Ranked #4 of 12 months
- Avg temp
- 22°C
- Rainfall
- 70 mm
- Humidity
- 68%
- Days with 6h+ sun
- 24
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Cannes scores 8.7/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 22°C, 70 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Cannes hosts the film festival on the Côte d'Azur, with the La Croisette seafront and the Îles de Lérins offshore.
September in Cannes — one of the year's strongest windows (4th)
September averages 22°C (72°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 70 mm, so plan one flexible day in three; you still get about 24 days with 6+ hours of sunshine and 12.5 hours of daylight.
A 8.7/10 puts this among the year's best months in Cannes (4th of 12); only July scores higher, at 10/10.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Cannes in September?
- In September, Cannes averages 22°C, 70 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 8.7/10.
- Is September a good time to visit Cannes?
- September earns a 8.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cannes in September?
- Expect about 70 mm of rain in September. Average humidity is 68% and there are about 24 days with 6+ hours of sunshine.
Curated in Cannes
Tickets & experiences
Things to do in Cannes
Cannes, France. Live activities and tours from GetYourGuide, matched to this destination.