September weather forecastMerles, France
September
Weather in September
September, the first month of the autumn in Merles, is also a moderately hot month, with an average temperature fluctuating between 13.6°C (56.5°F) and 24.9°C (76.8°F).Temperature
September is characterized by a slight reduction in average high-temperature, easing from 28.3°C (82.9°F) in August to a still warm 24.9°C (76.8°F). During September, the temperature in Merles tends to dip to an average of 13.6°C (56.5°F) at night.Humidity
In September, the average relative humidity is 67%.Rainfall
The month with the least rainfall is September, when the rain falls for 10 days and typically collects 20mm (0.79") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Merles, the average length of the day in September is 12h and 31min.On the first day of September in Merles, France, sunrise is at 07:19 and sunset at 20:32. On the last day of the month, sunrise is at 07:53 and sunset at 19:38 CEST.
Sunshine
In September, the average sunshine in Merles is 8.7h.UV index
In Merles, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Merles, France
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in September
Merles, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in September
Merles, France
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).
Average humidity in September
Merles, France
- Average humidity in September: 67%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Merles, France
- Average rainfall in September: 20mm
The wettest months (with the highest rainfall) are May and November (59mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in September
Merles, France
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is September (10 days).
Average snowfall in September
Merles, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Merles, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Merles, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Merles, France
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Merles, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Merles, France
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Merles, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
