September weather forecastRétaud, France

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Rétaud, France, with an average temperature ranging between min 13.5°C (56.3°F) and max 23°C (73.4°F).

Temperature

The onset of September brings an average high-temperature of a still warm 23°C (73.4°F), nearly matching the August temperature. In Rétaud, September's nights observe an average temperature dip to a refreshing 13.5°C (56.3°F).

Humidity

August and September, with an average relative humidity of 70%, are the least humid months in Rétaud, France.

Rainfall

In Rétaud, during September, the rain falls for 9.5 days and regularly aggregates up to 24mm (0.94") of precipitation. In Rétaud, during the entire year, the rain falls for 161.7 days and collects up to 495mm (19.49") of precipitation.

Snowfall

April through November are months without snowfall in Rétaud, France.

Daylight

In Rétaud, the average length of the day in September is 12h and 32min.
On the first day of September in Rétaud, sunrise is at 07:24 and sunset at 20:40. On the last day of the month, sunrise is at 08:00 and sunset at 19:44 CEST.

Sunshine

In September, the average sunshine in Rétaud is 8.4h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

The average high-temperature, in September, in Rétaud, is 23°C (73.4°F), while the average low-temperature is 13.5°C (56.3°F).

The months with the lowest humidity in Rétaud are August and September, with an average relative humidity of 70%.

In September, the average relative humidity in Rétaud, France, is 70%.

In Rétaud, during September, the rain falls for 9.5 days and regularly aggregates up to 24mm (0.94") of precipitation.

In Rétaud, snow does not fall in April through November.

In Rétaud, the average day length in September is 12h and 32min.

In September, on the first day of the month, sunrise is at 07:24 and sunset at 20:40. On the last day of the month, sunrise is at 08:00 and sunset at 19:44 CEST.

The average sunshine duration in September is 8.4h.

May through September, with an average maximum UV index of 5, are months with the highest UV index in Rétaud.

The average daily maximum UV index in September in Rétaud, France, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rétaud, France

  • Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (9.1°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).

Average pressure in September
Rétaud, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).

Average wind speed in September
Rétaud, France

  • Average wind speed in September: 12.2km/h

The windiest month (with the highest average wind speed) is February (17km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).

Average humidity in September
Rétaud, France

  • Average humidity in September: 70%

The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are August and September (70%).

Average rainfall in September
Rétaud, France

  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is July (21mm).

Average rainfall days in September
Rétaud, France

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is September (9.5 days).

Average snowfall in September
Rétaud, France

  • Average snowfall in September: 0mm

The months with the highest snowfall are March and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Rétaud, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Rétaud, France

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).

Average sunshine days in September
Rétaud, France

  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is November (11.7 days).

Average UV index in September
Rétaud, France

  • Average UV index in September: 5

The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

Average cloud cover in September
Rétaud, France

  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Rétaud, France

  • Average visibility in September: 10km

The months with the highest visibility are March, July, August and September (10km).
The months with the lowest visibility are January, February, April, May, June, October, November and December (9km).