Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September brings a slight decrease in temperature, down from a pleasant 20.7°C (69.3°F) in August to a refreshing 16.5°C (61.7°F). During the month of September, the temperature generally drops to a low average of 7.3°C (45.1°F).Humidity
In Lullin, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 27mm (1.06") of precipitation.Snowfall
In Lullin, snow does not fall in June through September.Daylight
In Lullin, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:54 and sunset at 20:12. On the last day of September, sunrise is at 07:31 and sunset at 19:15 CEST.
Sunshine
In Lullin, France, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Lullin?
What is the average humidity in September in Lullin?
What is the driest month in Lullin?
How many days does it rain in September in Lullin?
When it does not snow in Lullin?
Does it snow in Lullin in September?
What is the average length of the day in September in Lullin?
What time are sunrise and sunset in September in Lullin?
How many hours of sunshine does Lullin have in September?
What is the UV index reading in September in Lullin?
Average temperature in September
Lullin, France
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is February (-5.9°C).
Average pressure in September
Lullin, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Lullin, France
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is February (9.3km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Lullin, France
- Average humidity in September: 80%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Lullin, France
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in September
Lullin, France
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Lullin, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (290mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lullin, France
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Lullin, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Lullin, France
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9 days).
Average UV index in September
Lullin, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Lullin, France
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Lullin, France
- Average visibility in September: 8km
The months with the highest visibility are April, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, May, September and December (8km).
