September weather forecastLe Petit-Mercey, France
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Le Petit-Mercey, France, with an average temperature ranging between max 19.5°C (67.1°F) and min 9.6°C (49.3°F).Temperature
September is characterized by a mild reduction in the average high-temperature, from a moderately hot 23.8°C (74.8°F) in August to an enjoyable 19.5°C (67.1°F). Throughout September, the temperature in Le Petit-Mercey tends to fall to a consistent average low of 9.6°C (49.3°F).Humidity
In September, the average relative humidity in Le Petit-Mercey is 81%.Rainfall
The month with the least rainfall in Le Petit-Mercey is September, when the rain falls for 11.9 days and typically collects 32mm (1.26") of precipitation.Snowfall
In Le Petit-Mercey, snow does not fall in April through September.Daylight
In September, the average length of the day in Le Petit-Mercey, France, is 12h and 34min.On the first day of the month, sunrise is at 06:56 and sunset at 20:16. On the last day of September, sunrise is at 07:35 and sunset at 19:18 CEST.
Sunshine
In Le Petit-Mercey, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Le Petit-Mercey is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. 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
Le Petit-Mercey, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in September: 9.6°C
The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Le Petit-Mercey, France
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in September
Le Petit-Mercey, France
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity in September
Le Petit-Mercey, France
- Average humidity in September: 81%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Le Petit-Mercey, France
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (32mm).
Average rainfall days in September
Le Petit-Mercey, France
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (11.1 days).
Average snowfall in September
Le Petit-Mercey, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Le Petit-Mercey, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 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
Le Petit-Mercey, France
- Average daylight in September: 12h and 36min
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 36min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in September
Le Petit-Mercey, France
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in September
Le Petit-Mercey, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Le Petit-Mercey, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Le Petit-Mercey, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).





