September weather forecastSemussac, France
September
Weather in September
September, the first month of the autumn in Semussac, is also a moderately hot month, with an average temperature varying between 23°C (73.4°F) and 13.5°C (56.3°F).Temperature
Semussac's weather in September displays an average high-temperature of a still moderately hot 23°C (73.4°F), showing minor disparity from August's 25.7°C (78.3°F). In the month of September, the nighttime temperature dips to a steady average of 13.5°C (56.3°F).Humidity
August and September, with an average relative humidity of 70%, are the least humid months in Semussac.Rainfall
In Semussac, in September, it is raining for 9.5 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, in Semussac, there are 161.7 rainfall days, and 495mm (19.49") of precipitation is accumulated.Snowfall
In Semussac, snow does not fall in April through November.Daylight
In Semussac, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 07:25 and sunset at 20:41. On the last day of September, sunrise is at 08:01 and sunset at 19:45 CEST.
Sunshine
The average sunshine in September in Semussac is 8.4h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index in Semussac. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Semussac, 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
Semussac, 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
Semussac, 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
Semussac, 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
Semussac, 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
Semussac, 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
Semussac, 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
Semussac, 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
Semussac, 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
Semussac, 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
Semussac, 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
Semussac, 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
Semussac, 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).
