Cannes in September
In September, Cannes averages 26°C (78°F) during the day and 18°C (64°F) at night, with around 5 days of rain (38 mm total).
Peak seasonConditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
September is a great month to visit Cannes: pleasant temperatures and relatively few wet days.
How September compares to the rest of the year in Cannes
September is in the middle of the year for warmth in Cannes (4th of 12) and one of the driest months (10th of 12). Daytime temperature runs 5°C above the annual average (20°C). September runs 4°C cooler than August (29°C) and cools 4°C in October (21°C).
September sunrise & sunset in Cannes
Times shown for Cannes local time (Europe/Paris), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Cannes — September
Golden-hour and blue-hour windows for the 15th of September, in Cannes's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Cannes in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Peak season) and Cannes's popularity.
Crowds & pricing — September in Cannes
Cannes is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather beach-season conditions
Sun & mosquito risk — September in Cannes
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Cannes in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 12°C / 54°F | 5°C / 41°F | 62 mm | 6 | — |
| February | 13°C / 56°F | 6°C / 42°F | 69 mm | 8 | — |
| March | 16°C / 60°F | 7°C / 45°F | 54 mm | 6 | — |
| April | 18°C / 64°F | 10°C / 50°F | 56 mm | 6 | — |
| May | 21°C / 70°F | 14°C / 57°F | 49 mm | 8 | — |
| June | 26°C / 79°F | 19°C / 65°F | 35 mm | 6 | — |
| July | 29°C / 84°F | 21°C / 70°F | 16 mm | 3 | — |
| August | 29°C / 84°F | 21°C / 70°F | 25 mm | 4 | — |
| September | 26°C / 78°F | 18°C / 64°F | 38 mm | 5 | — |
| October | 21°C / 70°F | 14°C / 58°F | 120 mm | 8 | — |
| November | 17°C / 62°F | 10°C / 49°F | 166 mm | 10 | — |
| December | 14°C / 56°F | 7°C / 44°F | 81 mm | 7 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Cannes in September →
Frequently asked questions
How hot is Cannes in September?
In September, Cannes averages a high of 26°C (78°F) and a low of 18°C (64°F) — generally warm.
Does it rain a lot in Cannes in September?
September sees occasional rain in Cannes, with about 5 rainy days on average.
Is September a good time to visit Cannes?
September is warm and mostly dry. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Cannes in September?
Pack light layers for warm days and cooler evenings. See the full September packing list for Cannes for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.