Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During the shift to September, Francon records a mild decrease in average high-temperature, moving from 28.4°C (83.1°F) in August to a still moderately hot 24.7°C (76.5°F). Nighttime temperatures in Francon hover around an average low of 13.7°C (56.7°F) in September.Humidity
In September, the average relative humidity is 67%.Rainfall
September is the month with the least rainfall in Francon. Rain falls for 10.7 days and accumulates 26mm (1.02") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Francon, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 07:20 and sunset at 20:31. On the last day of the month, sunrise is at 07:52 and sunset at 19:38 CEST.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What are September temperatures in Francon?
What is the average humidity in September in Francon?
What is the driest month in Francon?
How much does it rain in Francon in September?
When it does not snow in Francon?
What is the average length of the day in September in Francon?
When are sunrise and sunset in September in Francon?
How many hours of sunshine does Francon have in September?
What is the UV index reading in September in Francon?
Average temperature in September
Francon, France
- Average high temperature in September: 24.7°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 13.7°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).
Average pressure in September
Francon, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Francon, France
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest months (with the lowest average wind speed) are August and September (9.7km/h).
Average humidity in September
Francon, France
- Average humidity in September: 67%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Francon, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Francon, France
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is April (16.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in September
Francon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Francon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Francon, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Francon, France
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in September
Francon, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Francon, France
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Francon, France
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
Francon, France
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