September weather forecastSète, France
September
Weather in September
September, the first month of the autumn in Sète, is also a moderately hot month, with an average temperature fluctuating between 23.7°C (74.7°F) and 16.8°C (62.2°F).Temperature
With the onset of September, Sète experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 27.4°C (81.3°F) in August to a still moderately hot 23.7°C (74.7°F). During September, Sète sees a mean low-temperature of 16.8°C (62.2°F).Humidity
In September, the average relative humidity is 74%.Rainfall
Throughout September, in Sète, 57mm (2.24") of precipitation is accumulated. During the entire year, Sète aggregates up to 561mm (22.09") of precipitation.Sea temperature
September is the month with the warmest seawater, with an average sea temperature of 21°C (69.8°F).Note: Swimming in water of 21°C (69.8°F) is not enjoyable for the majority of individuals. Breathing control becomes increasingly challenging as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Sète, France, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 07:09 and sunset at 20:20. On the last day of September, in Sète, sunrise is at 07:42 and sunset at 19:27 CEST.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sète, France
- Average high temperature in September: 23.7°C
The warmest month (with the highest average high temperature) is July (27.8°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in September: 16.8°C
The month with the highest average low temperature is July (20°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average humidity in September
Sète, France
- Average humidity in September: 74%
The months with the highest relative humidity are January, October and December (76%).
The month with the lowest relative humidity is July (66%).
Average rainfall in September
Sète, France
- Average rainfall in September: 56.7mm
The wettest month (with the highest rainfall) is October (90.9mm).
The driest month (with the least rainfall) is July (11.5mm).
Average sea temperature in September
Sète, France
- Average sea temperature in September: 21°C
The best month for swimming (with the highest average sea temperature) is September (21°C).
The coldest month (with the lowest average sea temperature) is February (12.1°C).
Average daylight in September
Sète, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).








