September weather forecastCheppy, France
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Cheppy, France, with an average temperature varying between 9.3°C (48.7°F) and 18.5°C (65.3°F).Temperature
In September, the average high-temperature marginally drops from an agreeable 22.3°C (72.1°F) in August to a comfortable 18.5°C (65.3°F). Cheppy throughout September, records an average low-temperature of 9.3°C (48.7°F).Humidity
The average relative humidity in September is 81%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 179.3 rainfall days, and 612mm (24.09") of precipitation is accumulated.Snowfall
In Cheppy, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 36min.On the first day of the month, sunrise is at 06:56 and sunset at 20:22. On the last day of September, in Cheppy, France, sunrise is at 07:38 and sunset at 19:20 CEST.
Sunshine
In Cheppy, the average sunshine in September is 7.8h.UV index
In Cheppy, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk 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:
Undertake precautions - It is suggested to shield oneself from sunburn. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cheppy, France
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 9.3°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Cheppy, France
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Cheppy, France
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Cheppy, France
- Average humidity in September: 81%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in September
Cheppy, France
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Cheppy, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Cheppy, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Cheppy, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cheppy, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Cheppy, France
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are June, November and December (9.6 days).
Average UV index in September
Cheppy, France
- Average UV index in September: 3
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
Cheppy, France
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Cheppy, France
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).





