September weather forecastSaint-Siffret, France
September
Weather in September
The first month of the autumn, September, is still a warm month in Saint-Siffret, France, with an average temperature fluctuating between 25.5°C (77.9°F) and 14.7°C (58.5°F).Temperature
A shift in Saint-Siffret's weather is observed as August turns into September, with the average high temperature reducing from a hot 30.8°C (87.4°F) to a warm 25.5°C (77.9°F). An average temperature of 14.7°C (58.5°F) marks the nights in September.Humidity
The average relative humidity in September is 64%.Rainfall
In Saint-Siffret, France, during September, the rain falls for 6.7 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, in Saint-Siffret, there are 94.7 rainfall days, and 353mm (13.9") of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
In September, the average length of the day in Saint-Siffret is 12h and 31min.On the first day of September in Saint-Siffret, sunrise is at 07:05 and sunset at 20:17. On the last day of the month, sunrise is at 07:39 and sunset at 19:24 CEST.
Sunshine
The average sunshine in September in Saint-Siffret is 9.4h.UV index
In September, the average daily maximum UV index in Saint-Siffret is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Exercise prevention - Warding off sunburn is urged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint-Siffret, France
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in September
Saint-Siffret, France
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Saint-Siffret, France
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is September (11.9km/h).
Average humidity in September
Saint-Siffret, France
- Average humidity in September: 64%
The months with the highest relative humidity are November and December (78%).
The month with the lowest relative humidity is July (55%).
Average rainfall in September
Saint-Siffret, France
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is July (13mm).
Average rainfall days in September
Saint-Siffret, France
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is November (12.2 days).
The month with the least rainy days is July (5.3 days).
Average snowfall in September
Saint-Siffret, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Saint-Siffret, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Saint-Siffret, 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).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 5h and 54min).
Average sunshine days in September
Saint-Siffret, France
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is November (16.1 days).
Average UV index in September
Saint-Siffret, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Saint-Siffret, France
- Average cloud cover in September: 18
The month with the most cloud cover is November (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in September
Saint-Siffret, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August and September (10km).
The months with the lowest visibility are January, October, November and December (9km).
