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
In September, the average high-temperature marginally drops from a warm 23.3°C (73.9°F) in August to a comfortable 19.9°C (67.8°F). During the month of September, an average low-temperature of 8.5°C (47.3°F) is recorded.Humidity
In Sère-Lanso, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall in Sère-Lanso, France, is September, when the rain falls for 13.2 days and typically collects 43mm (1.69") of precipitation.Snowfall
In Sère-Lanso, snow does not fall in June through September.Daylight
The average length of the day in September in Sère-Lanso is 12h and 29min.On the first day of the month, sunrise is at 07:24 and sunset at 20:34. On the last day of September, sunrise is at 07:56 and sunset at 19:42 CEST.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Sère-Lanso, France, is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Sère-Lanso?
What is the average humidity in September in Sère-Lanso?
What is the driest month in Sère-Lanso?
How much does it rain in Sère-Lanso in September?
When it does not snow in Sère-Lanso?
Does it snow in Sère-Lanso in September?
What is the average length of the day in September in Sère-Lanso?
When are sunrise and sunset in September in Sère-Lanso?
How long on average sun shines in September in Sère-Lanso?
How high is the UV index in September in Sère-Lanso?
Average temperature in September
Sère-Lanso, France
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (11°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).
Average pressure in September
Sère-Lanso, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Sère-Lanso, France
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is November (8.6km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in September
Sère-Lanso, France
- Average humidity in September: 75%
The months with the highest relative humidity are February, March and April (82%).
The months with the lowest relative humidity are August and October (74%).
Average rainfall in September
Sère-Lanso, France
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in September
Sère-Lanso, France
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is December (12.9 days).
Average snowfall in September
Sère-Lanso, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (69mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sère-Lanso, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sère-Lanso, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).
Average sunshine days in September
Sère-Lanso, France
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is December (16.5 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in September
Sère-Lanso, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (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
Sère-Lanso, France
- Average cloud cover in September: 29
The month with the most cloud cover is April (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Sère-Lanso, France
- Average visibility in September: 9km
The months with the highest visibility are August, September, October and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July and November (8km).
