Cannes weather in September
Cannes in September averages 21°C (70°F), 84 mm of rain and 8.2 hours of sun a day.
Of the twelve months in Cannes, September is the fourth warmest, the fourth wettest and the fifth sunniest.
- Average temp
- 21°C (70°F)
18–25°C · 64–77°F
- Rainfall
- 84 mm
Showers likely
- Sunshine
- 8.2 h
hours per day
What is Cannes like in September?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Cannes in September?
High-factor sun cream
With 8.2 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
A light rain jacket
About 84 mm falls this month — showers rather than washouts.
A layer for the evening
Evenings cool off noticeably once the sun is down.
September compared with August and October
September in Cannes is 3.3°C cooler than August and 66 mm wetter than it, which averages 25°C (76°F).
September in Cannes is 3.7°C warmer than October and 40 mm drier than it, which averages 18°C (64°F).
Daylight in Cannes in September
On 15 September the sun is up for 12 hours 30 minutes in Cannes, rising about 07:11 and setting about 19:41 local time.
September ends 1 hour 25 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 55 minutes short of June, the longest-lit month here.
Where to stay in Cannes
Dates are a starting point for September.
Travel guides for Cannes
What to read before you book.
Cannes weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 10°C / 49°F | 74 mm |
| February | 10°C / 50°F | 53 mm |
| March | 12°C / 53°F | 51 mm |
| April | 14°C / 57°F | 69 mm |
| May | 18°C / 64°F | 42 mm |
| June | 21°C / 71°F | 34 mm |
| July | 24°C / 76°F | 13 mm |
| August | 25°C / 76°F | 18 mm |
| September | 21°C / 70°F | 84 mm |
| October | 18°C / 64°F | 124 mm |
| November | 13°C / 56°F | 138 mm |
| December | 10°C / 51°F | 91 mm |
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Cannes in September
September climate averages for Cannes, 1991–2020.
Cannes averages 21°C (70°F) in September, ranging from about 18°C (64°F) at night to 25°C (77°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 84 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 21°C (70°F) against 18°C (64°F) in October — 3.7°C warmer.
September is 3.3°C cooler than August, and 66 mm wetter.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 8.2 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 30 minutes of daylight in mid-September, against 15 hours 25 minutes in June and 8 hours 58 minutes in December.
On 15 September, sunrise is about 07:11 and sunset about 19:41 local time. Both shift across the month — the month ends 1 hour 25 minutes shorter than it starts.
