September weather forecastRatenelle, France
September weather for Ratenelle, France: The month with the least rainfall in Ratenelle is September, when the rain falls for 12.2 days and typically collects 40mm (1.57") of precipitation. The first month of the autumn, September, is also an agreeable month in Ratenelle, France, with an average temperature varying between 21.3°C (70.3°F) and 10.8°C (51.4°F).
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Ratenelle, France, with an average temperature varying between 21.3°C (70.3°F) and 10.8°C (51.4°F).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a warm 25.7°C (78.3°F) in August to a pleasant 21.3°C (70.3°F). During September nights, Ratenelle records an average temperature of 10.8°C (51.4°F).Humidity
In Ratenelle, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Ratenelle is September, when the rain falls for 12.2 days and typically collects 40mm (1.57") of precipitation.Snowfall
In Ratenelle, snow does not fall in April through September.Daylight
In Ratenelle, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 07:00 and sunset at 20:18. On the last day of September, in Ratenelle, France, sunrise is at 07:37 and sunset at 19:21 CEST.
Sunshine
The average sunshine in September in Ratenelle is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ratenelle, France
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).
Average pressure in September
Ratenelle, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Ratenelle, France
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Ratenelle, France
- Average humidity in September: 78%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Ratenelle, France
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in September
Ratenelle, France
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in September
Ratenelle, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (48mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Ratenelle, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ratenelle, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Ratenelle, France
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (14.7 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in September
Ratenelle, 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, November and December (UV index 2).
Average cloud cover in September
Ratenelle, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Ratenelle, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are January, February, May, September, October, November and December (8km).
