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
The move into September indicates a slight reduction in the average high-temperature, down from August's agreeable 22.8°C (73°F) to an enjoyable 18.5°C (65.3°F). Roche-lès-Clerval registers a consistent average low-temperature of 8.5°C (47.3°F) during September.Humidity
The average relative humidity in September is 83%.Rainfall
The month with the least rainfall in Roche-lès-Clerval is September, when the rain falls for 14.3 days and typically collects 40mm (1.57") of precipitation.Snowfall
June through September are months without snowfall in Roche-lès-Clerval.Daylight
In Roche-lès-Clerval, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:53 and sunset at 20:14. On the last day of September, in Roche-lès-Clerval, sunrise is at 07:32 and sunset at 19:15 CEST.
Sunshine
The average sunshine in September in Roche-lès-Clerval, France, is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the UV index of 3 transforms into the following advice:
Take precautions - Protection against sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are the temperatures in Roche-lès-Clerval in September?
What is the average humidity in September in Roche-lès-Clerval?
What is the driest month in Roche-lès-Clerval?
How many days does it rain in September in Roche-lès-Clerval?
When it does not snow in Roche-lès-Clerval?
Does it snow in Roche-lès-Clerval in September?
What is the average length of the day in September in Roche-lès-Clerval?
What time are sunrise and sunset in September in Roche-lès-Clerval?
How many hours of sunshine does Roche-lès-Clerval have in September?
How high is the UV index in September in Roche-lès-Clerval?
Average temperature in September
Roche-lès-Clerval, France
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in September
Roche-lès-Clerval, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).
Average wind speed in September
Roche-lès-Clerval, France
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in September
Roche-lès-Clerval, France
- Average humidity in September: 83%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Roche-lès-Clerval, France
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is June (94mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in September
Roche-lès-Clerval, France
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in September
Roche-lès-Clerval, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (170mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Roche-lès-Clerval, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Roche-lès-Clerval, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Roche-lès-Clerval, France
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is June (6.7 days).
Average UV index in September
Roche-lès-Clerval, 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, October, November and December (UV index 2).
Average cloud cover in September
Roche-lès-Clerval, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Roche-lès-Clerval, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
Roche-lès-Clerval, France
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