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
September notes an average high-temperature of a comfortable 19.4°C (66.9°F), subtly differing from August's 22.1°C (71.8°F). Le Mesnil-sous-Jumièges experiences a mean low-temperature of 10.4°C (50.7°F) during September.Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 24mm (0.94") of precipitation.Snowfall
In Le Mesnil-sous-Jumièges, snow does not fall in April through October.Daylight
The average length of the day in September in Le Mesnil-sous-Jumièges is 12h and 36min.On the first day of September in Le Mesnil-sous-Jumièges, sunrise is at 07:13 and sunset at 20:39. On the last day of the month, sunrise is at 07:55 and sunset at 19:37 CEST.
Sunshine
In September, the average sunshine in Le Mesnil-sous-Jumièges is 7.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What are the temperatures in Le Mesnil-sous-Jumièges in September?
What is the average humidity in September in Le Mesnil-sous-Jumièges?
What is the driest month in Le Mesnil-sous-Jumièges?
How many days does it rain in September in Le Mesnil-sous-Jumièges?
When it does not snow in Le Mesnil-sous-Jumièges?
What is the average length of the day in September in Le Mesnil-sous-Jumièges?
When is the sunrise / sunset in September in Le Mesnil-sous-Jumièges?
How long on average sun shines in September in Le Mesnil-sous-Jumièges?
How high is the UV index in September in Le Mesnil-sous-Jumièges?
Average temperature in September
Le Mesnil-sous-Jumièges, France
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in September
Le Mesnil-sous-Jumièges, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in September
Le Mesnil-sous-Jumièges, France
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Le Mesnil-sous-Jumièges, France
- Average humidity in September: 81%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (79%).
Average rainfall in September
Le Mesnil-sous-Jumièges, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Le Mesnil-sous-Jumièges, France
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in September
Le Mesnil-sous-Jumièges, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Le Mesnil-sous-Jumièges, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Le Mesnil-sous-Jumièges, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 1min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Le Mesnil-sous-Jumièges, France
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Le Mesnil-sous-Jumièges, France
- Average UV index in September: 4
The month with the highest UV index is 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
Le Mesnil-sous-Jumièges, France
- Average cloud cover in September: 47
The months with the most cloud cover are January and November (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in September
Le Mesnil-sous-Jumièges, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April and December (9km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (8km).
Le Mesnil-sous-Jumièges, France
Weather forecast for your location
2. Allow the app to use your location
