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
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 23.5°C (74.3°F) in August to an enjoyable 19.5°C (67.1°F). Throughout September, the average low-temperature in Colmier-le-Bas dips to a frosty 9.8°C (49.6°F).Humidity
In Colmier-le-Bas, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Colmier-le-Bas is September, when the rain falls for 13.5 days and typically collects 43mm (1.69") of precipitation.Snowfall
In Colmier-le-Bas, snow does not fall in June through September.Daylight
In Colmier-le-Bas, France, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 06:59 and sunset at 20:20. On the last day of the month, sunrise is at 07:38 and sunset at 19:21 CEST.
Sunshine
The average sunshine in September in Colmier-le-Bas is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Be vigilant - Preventing sunburn is recommended. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Colmier-le-Bas in September?
What is the average humidity in September in Colmier-le-Bas?
What is the driest month in Colmier-le-Bas?
How many days does it rain in September in Colmier-le-Bas?
When it does not snow in Colmier-le-Bas?
Does it snow in Colmier-le-Bas in September?
What is the average length of the day in September in Colmier-le-Bas?
What time are sunrise and sunset in September in Colmier-le-Bas?
How long on average sun shines in September in Colmier-le-Bas?
How high is the UV index in September in Colmier-le-Bas?
Average temperature in September
Colmier-le-Bas, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 9.8°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in September
Colmier-le-Bas, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Colmier-le-Bas, France
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in September
Colmier-le-Bas, France
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Colmier-le-Bas, France
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is June (88mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in September
Colmier-le-Bas, France
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is June (20.5 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in September
Colmier-le-Bas, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Colmier-le-Bas, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Colmier-le-Bas, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Colmier-le-Bas, France
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in September
Colmier-le-Bas, 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, November and December (UV index 2).
Average cloud cover in September
Colmier-le-Bas, France
- Average cloud cover in September: 37
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Colmier-le-Bas, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
