September weather forecastReffroy, France
September
Weather in September
September, the first month of the autumn in Reffroy, is still a comfortable month, with an average temperature fluctuating between 9.8°C (49.6°F) and 19.4°C (66.9°F).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 23.3°C (73.9°F) in August to an enjoyable 19.4°C (66.9°F). Reffroy observes an average low-temperature of 9.8°C (49.6°F) during September.Humidity
The average relative humidity in September in Reffroy is 79%.Rainfall
April, September and October are months with the least rain in Reffroy when the rain falls for 10.6 days and typically aggregates up to 34mm (1.34") of rain.Snowfall
April, June through September are months without snowfall.Daylight
In Reffroy, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:56 and sunset at 20:19. On the last day of September, in Reffroy, sunrise is at 07:36 and sunset at 19:19 CEST.
Sunshine
In Reffroy, the average sunshine in September is 8h.UV index
In Reffroy, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Reffroy, France
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Reffroy, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in September
Reffroy, France
- Average wind speed in September: 10.7km/h
The windiest months (with the highest average wind speed) are February and December (16.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Reffroy, France
- Average humidity in September: 79%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Reffroy, France
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (75mm).
The driest months (with the least rainfall) are April, September and October (34mm).
Average rainfall days in September
Reffroy, France
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is September (10.6 days).
Average snowfall in September
Reffroy, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (70mm).
The months with the least snowfall are April, June, July, August and September (0mm).
Average snowfall days in September
Reffroy, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Reffroy, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Reffroy, France
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Reffroy, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Reffroy, France
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Reffroy, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
