September weather forecastPierre-Percée, France
September
Weather in September
September, the first month of the autumn in Pierre-Percée, is still a refreshing month, with an average temperature ranging between min 9.5°C (49.1°F) and max 19.5°C (67.1°F).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 24°C (75.2°F) in August to a comfortable 19.5°C (67.1°F). Pierre-Percée's temperature lowers to a mean of 9.5°C (49.1°F) during the nights in September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Pierre-Percée, in September, during 12.5 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Pierre-Percée, during the entire year, the rain falls for 179.6 days and collects up to 606mm (23.86") of precipitation.Snowfall
June through September are months without snowfall in Pierre-Percée.Daylight
In September, the average length of the day in Pierre-Percée, France, is 12h and 35min.On the first day of September in Pierre-Percée, sunrise is at 06:50 and sunset at 20:13. On the last day of the month, sunrise is at 07:30 and sunset at 19:13 CEST.
Sunshine
The average sunshine in September in Pierre-Percée is 8.5h.UV index
In Pierre-Percée, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pierre-Percée, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Pierre-Percée, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Pierre-Percée, France
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Pierre-Percée, France
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Pierre-Percée, France
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Pierre-Percée, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Pierre-Percée, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Pierre-Percée, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pierre-Percée, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Pierre-Percée, France
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is April (14.8 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in September
Pierre-Percée, 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
Pierre-Percée, France
- Average cloud cover in September: 36
The months with the most cloud cover are January and December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Pierre-Percée, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).





