September weather forecastLumes, France
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Lumes, France, with an average temperature varying between 9.5°C (49.1°F) and 18.5°C (65.3°F).Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to a comfortable 18.5°C (65.3°F) from an agreeable 22.3°C (72.1°F). During the month of September, Lumes's nighttime temperature lowers to an average of 9.5°C (49.1°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Lumes, during September, the rain falls for 12.8 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 190 rainfall days, and 635mm (25") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Lumes.Daylight
In Lumes, France, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 06:57 and sunset at 20:24. On the last day of September, in Lumes, France, sunrise is at 07:40 and sunset at 19:21 CEST.
Sunshine
The average sunshine in September in Lumes, France, is 7.7h.UV index
In September, the average daily maximum UV index in Lumes is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. To guard against the harmful effects of the Sun, minimize exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lumes, France
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in September
Lumes, France
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Lumes, France
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in September
Lumes, France
- Average humidity in September: 81%
The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Lumes, France
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Lumes, France
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is December (18.4 days).
The month with the least rainy days is September (12.8 days).
Average snowfall in September
Lumes, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Lumes, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.7 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
Lumes, 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 12min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Lumes, France
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Lumes, 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
Lumes, France
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Lumes, France
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
