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
Landivisiau observes a minor difference in average high-temperatures between August's 19.9°C (67.8°F) and September's 19°C (66.2°F). An average low-temperature of 11.6°C (52.9°F) is expected during September.Humidity
In September, the average relative humidity in Landivisiau is 82%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.4 days and typically collects 29mm (1.14") of precipitation.Snowfall
In Landivisiau, snow does not fall in April through October.Daylight
In September, the average length of the day in Landivisiau is 12h and 35min.On the first day of the month, sunrise is at 07:34 and sunset at 20:57. On the last day of September, sunrise is at 08:15 and sunset at 19:57 CEST.
Sunshine
In September, the average sunshine is 6.9h.UV index
In Landivisiau, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are the temperatures in Landivisiau in September?
What is the average humidity in September in Landivisiau?
What is the driest month in Landivisiau?
How many days does it rain in September in Landivisiau?
When it does not snow in Landivisiau?
How many hours of daylight does Landivisiau have in September?
What time are sunrise and sunset in September in Landivisiau?
How long on average sun shines in September in Landivisiau?
How high is the UV index in September in Landivisiau?
Average temperature in September
Landivisiau, France
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Landivisiau, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in September
Landivisiau, France
- Average wind speed in September: 15.3km/h
The windiest months (with the highest average wind speed) are February and December (21.7km/h).
The calmest months (with the lowest average wind speed) are July and August (14.8km/h).
Average humidity in September
Landivisiau, France
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Landivisiau, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in September
Landivisiau, France
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is November (21.1 days).
The month with the least rainy days is September (14.4 days).
Average snowfall in September
Landivisiau, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Landivisiau, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 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
Landivisiau, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Landivisiau, France
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is September (11.2 days).
The month with the least sunshine days is November (5.9 days).
Average UV index in September
Landivisiau, 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 and February (UV index 2).
Average cloud cover in September
Landivisiau, France
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 45).
Average visibility in September
Landivisiau, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Landivisiau, France
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