September weather forecastAppelle, France
September
Weather in September
September, the first month of the autumn in Appelle, is also an agreeable month, with an average temperature fluctuating between 12°C (53.6°F) and 22.5°C (72.5°F).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 27.3°C (81.1°F) to an agreeable 22.5°C (72.5°F). September witnesses an average low-temperature hovering around a fresh 12°C (53.6°F).Humidity
In Appelle, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 8.9 days and accumulates 20mm (0.79") of precipitation.Snowfall
In Appelle, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 07:16 and sunset at 20:27. On the last day of September, sunrise is at 07:49 and sunset at 19:34 CEST.
Sunshine
In Appelle, France, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. When the Sun is at its strongest around midday, find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Appelle, France
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Appelle, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Appelle, France
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is March (13.5km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Appelle, France
- Average humidity in September: 73%
The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Appelle, France
- Average rainfall in September: 20mm
The wettest months (with the highest rainfall) are January, May and November (63mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in September
Appelle, France
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is January (17.3 days).
The month with the least rainy days is August (8.6 days).
Average snowfall in September
Appelle, France
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Appelle, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Appelle, 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: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Appelle, France
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Appelle, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Appelle, France
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Appelle, France
- Average visibility in September: 9km
The months with the highest visibility are March, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, April, November and December (8km).
