September weather forecastMers-sur-Indre, France
September
Weather in September
September, the first month of the autumn in Mers-sur-Indre, is also an agreeable month, with an average temperature varying between 21.5°C (70.7°F) and 11.4°C (52.5°F).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a moderately hot 25.3°C (77.5°F) in August to an agreeable 21.5°C (70.7°F). In the month of September, Mers-sur-Indre's average low-temperature falls to a fresh 11.4°C (52.5°F).Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall in Mers-sur-Indre is September, when the rain falls for 11.2 days and typically collects 29mm (1.14") of precipitation.Snowfall
In Mers-sur-Indre, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 33min.On the first day of September in Mers-sur-Indre, sunrise is at 07:13 and sunset at 20:31. On the last day of the month, sunrise is at 07:50 and sunset at 19:34 CEST.
Sunshine
In September, the average sunshine in Mers-sur-Indre is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mers-sur-Indre, France
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in September
Mers-sur-Indre, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Mers-sur-Indre, France
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is February (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Mers-sur-Indre, France
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Mers-sur-Indre, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is June (67mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in September
Mers-sur-Indre, France
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in September
Mers-sur-Indre, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Mers-sur-Indre, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mers-sur-Indre, 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 36min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Mers-sur-Indre, France
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in September
Mers-sur-Indre, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Mers-sur-Indre, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Mers-sur-Indre, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, July, August, September, October, November and December (9km).
The months with the lowest visibility are May and June (8km).





