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
Weather in September
Temperature
In Lons-le-Saunier, entering September brings a subtle temperature decrement, reducing from August's moderately hot 25°C (77°F) to a pleasant 20.5°C (68.9°F). Lons-le-Saunier records a consistent low-temperature of 10.2°C (50.4°F) during September nights.Humidity
In September, the average relative humidity is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 30mm (1.18") of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 06:58 and sunset at 20:16. On the last day of the month, sunrise is at 07:35 and sunset at 19:19 CEST.
Sunshine
In September, the average sunshine in Lons-le-Saunier is 8.5h.UV index
In September, the average daily maximum UV index in Lons-le-Saunier is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the temperature in September in Lons-le-Saunier?
What is the average humidity in September in Lons-le-Saunier?
What is the driest month in Lons-le-Saunier?
How much does it rain in Lons-le-Saunier in September?
When it does not snow in Lons-le-Saunier?
Does it snow in Lons-le-Saunier in September?
What is the average length of the day in September in Lons-le-Saunier?
When is the sunrise / sunset in September in Lons-le-Saunier?
How long on average sun shines in September in Lons-le-Saunier?
What is the UV index intensity in September in Lons-le-Saunier?
Average temperature in September
Lons-le-Saunier, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.2°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in September
Lons-le-Saunier, France
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Lons-le-Saunier, France
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).
Average humidity in September
Lons-le-Saunier, France
- Average humidity in September: 80%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Lons-le-Saunier, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (83mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Lons-le-Saunier, France
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Lons-le-Saunier, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Lons-le-Saunier, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5 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
Lons-le-Saunier, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in September
Lons-le-Saunier, France
- Average sunshine days in September: 16 days
The months with the most sunshine days are September and October (16 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Lons-le-Saunier, France
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lons-le-Saunier, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Lons-le-Saunier, France
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (8km).
Lons-le-Saunier, France
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