September weather forecastSaint-Chaffrey, France
September
Weather in September
The first month of the autumn, September, is still a mild month in Saint-Chaffrey, France, with temperature in the range of an average high of 13.1°C (55.6°F) and an average low of 3.1°C (37.6°F).Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's enjoyable 17.5°C (63.5°F) to a still refreshing 13.1°C (55.6°F). Saint-Chaffrey, during September, witnesses an average low-temperature of 3.1°C (37.6°F).Humidity
In September, the average relative humidity in Saint-Chaffrey is 77%.Rainfall
In Saint-Chaffrey, during September, the rain falls for 14.4 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, there are 156.2 rainfall days, and 550mm (21.65") of precipitation is accumulated.Snowfall
In Saint-Chaffrey, snow does not fall in July through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 06:56 and sunset at 20:10. On the last day of September, in Saint-Chaffrey, sunrise is at 07:30 and sunset at 19:15 CEST.
Sunshine
In September, the average sunshine in Saint-Chaffrey is 8.9h.UV index
In Saint-Chaffrey, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 3 in September suggests the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint-Chaffrey, France
- Average high temperature in September: 13.1°C
The warmest month (with the highest average high temperature) is August (17.5°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in September: 3.1°C
The month with the highest average low temperature is August (5.5°C).
The coldest month (with the lowest average low temperature) is January (-12.9°C).
Average pressure in September
Saint-Chaffrey, France
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is April (1014.6mbar).
Average wind speed in September
Saint-Chaffrey, France
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is December (9.1km/h).
The calmest months (with the lowest average wind speed) are August and September (6.7km/h).
Average humidity in September
Saint-Chaffrey, France
- Average humidity in September: 77%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Saint-Chaffrey, France
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is January (23mm).
Average rainfall days in September
Saint-Chaffrey, France
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Saint-Chaffrey, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (239mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Saint-Chaffrey, France
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Saint-Chaffrey, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 4h and 54min).
Average sunshine days in September
Saint-Chaffrey, France
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is December (18.1 days).
The month with the least sunshine days is June (7 days).
Average UV index in September
Saint-Chaffrey, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April and November (UV index 1).
Average cloud cover in September
Saint-Chaffrey, France
- Average cloud cover in September: 37
The month with the most cloud cover is April (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Saint-Chaffrey, France
- Average visibility in September: 8km
The months with the highest visibility are July and August (9km).
The months with the lowest visibility are February and March (6km).
