September weather forecastLyons-la-Forêt, France
September
Weather in September
September, the first month of the autumn in Lyons-la-Forêt, is still a comfortable month, with an average temperature ranging between max 19.5°C (67.1°F) and min 10.5°C (50.9°F).Temperature
Lyons-la-Forêt observes a minor difference in average high-temperatures between August's 22.4°C (72.3°F) and September's 19.5°C (67.1°F). Nighttime temperatures hover around an average low of 10.5°C (50.9°F) in September.Humidity
In September, the average relative humidity in Lyons-la-Forêt, France, is 80%.Rainfall
April and September are months with the least rain when the rain falls for 12.9 days and typically aggregates up to 21mm (0.83") of rain.Snowfall
In Lyons-la-Forêt, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 36min.On the first day of September in Lyons-la-Forêt, sunrise is at 07:10 and sunset at 20:36. On the last day of the month, sunrise is at 07:53 and sunset at 19:34 CEST.
Sunshine
In September, the average sunshine is 7.3h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lyons-la-Forêt, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Lyons-la-Forêt, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in September
Lyons-la-Forêt, France
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Lyons-la-Forêt, France
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Lyons-la-Forêt, France
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (45mm).
The driest months (with the least rainfall) are April and September (21mm).
Average rainfall days in September
Lyons-la-Forêt, France
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Lyons-la-Forêt, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Lyons-la-Forêt, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Lyons-la-Forêt, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Lyons-la-Forêt, France
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Lyons-la-Forêt, France
- Average UV index in September: 4
The months with the highest UV index are 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
Lyons-la-Forêt, France
- Average cloud cover in September: 44
The months with the most cloud cover are January and November (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 44).
Average visibility in September
Lyons-la-Forêt, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April and December (9km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (8km).
