September weather forecastOntex, France
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Ontex, France, with an average temperature varying between 8.5°C (47.3°F) and 19.9°C (67.8°F).Temperature
Ontex observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 24.8°C (76.6°F) to a refreshing 19.9°C (67.8°F). Ontex's temperature lowers to a mean of 8.5°C (47.3°F) during the nights in September.Humidity
The average relative humidity in September in Ontex, France, is 78%.Rainfall
September is the month with the least rainfall in Ontex. Rain falls for 12.5 days and accumulates 40mm (1.57") of precipitation.Snowfall
In Ontex, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September in Ontex, sunrise is at 06:58 and sunset at 20:14. On the last day of the month, sunrise is at 07:34 and sunset at 19:18 CEST.
Sunshine
In Ontex, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Ontex, France, is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ontex, France
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure in September
Ontex, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Ontex, France
- Average wind speed in September: 5.6km/h
The windiest month (with the highest average wind speed) is March (7.2km/h).
The calmest months (with the lowest average wind speed) are August and September (5.6km/h).
Average humidity in September
Ontex, France
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Ontex, France
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is December (117mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in September
Ontex, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is October (10.6 days).
Average snowfall in September
Ontex, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (57mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ontex, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ontex, France
- Average daylight in September: 12h and 30min
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: 8h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Ontex, France
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (18.5 days).
The months with the least sunshine days are May and June (8.1 days).
Average UV index in September
Ontex, 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, February, November and December (UV index 2).
Average cloud cover in September
Ontex, France
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Ontex, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, June, July, August and November (9km).
The months with the lowest visibility are January, May, September, October and December (8km).
