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
A subtle decrease in the average high-temperature marks September, falling from August's hot 30.8°C (87.4°F) to a warm 25.5°C (77.9°F). The mean low-temperature during September nights is a mild 14.7°C (58.5°F).Humidity
In September, the average relative humidity in Rognonas is 64%.Rainfall
In Rognonas, in September, during 6.7 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Rognonas, during the entire year, the rain falls for 94.7 days and collects up to 353mm (13.9") of precipitation.Snowfall
In Rognonas, snow does not fall in March through December.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 07:04 and sunset at 20:16. On the last day of the month, sunrise is at 07:37 and sunset at 19:23 CEST.
Sunshine
In Rognonas, France, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Undertake precautions - Guarding against sun damage is counselled. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the usual temperature for Rognonas in September?
What is the average humidity in September in Rognonas?
How many days does it rain in September in Rognonas?
When it does not snow in Rognonas?
What is the average length of the day in September in Rognonas?
When are sunrise and sunset in September in Rognonas?
How long on average sun shines in September in Rognonas?
What is the UV index reading in September in Rognonas?
Average temperature in September
Rognonas, France
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in September
Rognonas, France
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Rognonas, France
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is September (11.9km/h).
Average humidity in September
Rognonas, France
- Average humidity in September: 64%
The months with the highest relative humidity are November and December (78%).
The month with the lowest relative humidity is July (55%).
Average rainfall in September
Rognonas, France
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is July (13mm).
Average rainfall days in September
Rognonas, France
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is November (12.2 days).
The month with the least rainy days is July (5.3 days).
Average snowfall in September
Rognonas, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Rognonas, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.5 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
Rognonas, France
- Average daylight in September: 12h and 3min
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: 9h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 5h and 54min).
Average sunshine days in September
Rognonas, France
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is November (16.1 days).
Average UV index in September
Rognonas, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Rognonas, France
- Average cloud cover in September: 18
The month with the most cloud cover is November (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in September
Rognonas, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August and September (10km).
The months with the lowest visibility are January, October, November and December (9km).
Rognonas, France
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