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Royan Weather in September
In Royan, September brings high daytime temperatures around 24°C (75°F), with nights cooling to 14°C (57°F). Some rainfall is to be expected.
Rainfall in Royan in September
Looking at the last 30 years, the data shows about 12 days with rain, averaging 60 mm (2.4 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Royan in September
The excellent temperature in Royan in September makes it a solid month to visit, with 24°C (75°F) during the day and 14°C (57°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Royan in September
The city usually sees around 212 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Royan Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
24°C (75°F)
Chance of Rain
40%
Precipitation
60 mm (2.4 in)
Rainy days
12 days
Humidity
79% *
Sunshine
212 hours *
Percentage Sunshine
*
* Data from: La Rochelle, France (59 KM, 36 Miles).
Royan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Royan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Royan typically stay consistent throughout September, with daily highs averaging around 24°C (75°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 15°C (59°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Royan in September
Browse day-by-day weather records for Royan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Royan historical weather extremes in September
Based on 49 years of weather observations in Royan between 1976 and 2025, these are the recorded extremes.
- Royan recorded its highest September temperature of 34°C (93°F) on September 12, 2022.
- The coldest September day was on September 26, 2020, with a maximum of 13°C (55°F).
- The coldest night in September in Royan was on September 30, 1988, with a minimum of 4°C (39°F).
Best Places in France in September
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Royan in September
For Royan in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Royan in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping8/10 -
Outdoor sports10/10
Royan 3-Day Forecast
More climate data for Royan
Temperature Rainfall Sunshine Humidity
See the full Royan climate overview or explore weather in France.
Popular in September
Where to go in September - average daytime high across popular destinations.
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