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
Aulnay-la-Rivière in September experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 24.8°C (76.6°F) in August to a pleasant 21.1°C (70°F). An average low-temperature of 11.7°C (53.1°F) marks the nights throughout September.Humidity
In Aulnay-la-Rivière, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall in Aulnay-la-Rivière is September, when the rain falls for 10.5 days and typically collects 21mm (0.83") of precipitation.Snowfall
In Aulnay-la-Rivière, France, snow does not fall in April through October.Daylight
In September, the average length of the day in Aulnay-la-Rivière is 12h and 35min.On the first day of the month, sunrise is at 07:08 and sunset at 20:31. On the last day of September, sunrise is at 07:49 and sunset at 19:31 CEST.
Sunshine
The average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index in Aulnay-la-Rivière is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Undertake precautions - Guarding against sun damage is counselled. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Aulnay-la-Rivière?
What is the average humidity in September in Aulnay-la-Rivière?
What is the driest month in Aulnay-la-Rivière?
How many days does it rain in September in Aulnay-la-Rivière?
When it does not snow in Aulnay-la-Rivière?
What is the average length of the day in September in Aulnay-la-Rivière?
When is the sunrise / sunset in September in Aulnay-la-Rivière?
How long on average sun shines in September in Aulnay-la-Rivière?
What is the UV index reading in September in Aulnay-la-Rivière?
Average temperature in September
Aulnay-la-Rivière, France
- Average high temperature in September: 21.1°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 (6.4°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Aulnay-la-Rivière, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Aulnay-la-Rivière, France
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Aulnay-la-Rivière, France
- Average humidity in September: 73%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Aulnay-la-Rivière, France
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Aulnay-la-Rivière, France
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in September
Aulnay-la-Rivière, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Aulnay-la-Rivière, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Aulnay-la-Rivière, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Aulnay-la-Rivière, France
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is December (11.3 days).
Average UV index in September
Aulnay-la-Rivière, 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
Aulnay-la-Rivière, France
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in September
Aulnay-la-Rivière, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
