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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 25.3°C (77.5°F) to a pleasant 21°C (69.8°F). The mean low-temperature during September nights in Navilly, France, is a fresh 10.7°C (51.3°F).Humidity
In September, the average relative humidity is 77%.Rainfall
The month with the least rainfall in Navilly, France, is September, when the rain falls for 12 days and typically collects 29mm (1.14") of precipitation.Snowfall
April through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 33min.On the first day of September, sunrise is at 06:59 and sunset at 20:18. On the last day of the month, sunrise is at 07:37 and sunset at 19:20 CEST.
Sunshine
In Navilly, France, the average sunshine in September is 8.4h.UV index
In Navilly, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take precautions - Protection against sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Navilly in September?
What is the average humidity in September in Navilly?
What is the driest month in Navilly?
How much does it rain in Navilly in September?
When it does not snow in Navilly?
Does it snow in Navilly in September?
What is the average length of the day in September in Navilly?
What time are sunrise and sunset in September in Navilly?
How long on average sun shines in September in Navilly?
How high is the UV index in September in Navilly?
Average temperature in September
Navilly, France
- Average high temperature in September: 21°C
The warmest months (with the highest average high temperature) are July and August (25.3°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in September
Navilly, France
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in September
Navilly, France
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (13km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Navilly, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Navilly, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in September
Navilly, France
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is August (11.9 days).
Average snowfall in September
Navilly, France
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (29mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Navilly, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Navilly, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Navilly, France
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is August (16.5 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Navilly, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Navilly, France
- Average cloud cover in September: 33
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Navilly, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, June, July and August (9km).
The months with the lowest visibility are January, May, September, October, November and December (8km).
