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
Transitioning into September, Layer de la Haye records an average high-temperature of a comfortable 18.5°C (65.3°F), almost identical to August's 21.2°C (70.2°F). During September, the average low-temperature is recorded at a fresh 12.5°C (54.5°F).Humidity
In Layer de la Haye, the average relative humidity in September is 77%.Rainfall
In Layer de la Haye, in September, during 12.9 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Layer de la Haye, during the entire year, the rain falls for 182 days and collects up to 445mm (17.52") of precipitation.Snowfall
In Layer de la Haye, United Kingdom, snow does not fall in April through October.Daylight
The average length of the day in September in Layer de la Haye, United Kingdom, is 12h and 39min.On the first day of the month, sunrise is at 6:09 am and sunset at 7:43 pm. On the last day of September, in Layer de la Haye, sunrise is at 6:56 am and sunset at 6:36 pm BST.
Sunshine
In September, the average sunshine in Layer de la Haye is 7.7h.UV index
The average daily maximum UV index in September in Layer de la Haye, United Kingdom, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Undertake protective steps - Preventing sun damage is advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Layer de la Haye in September?
What is the average humidity in September in Layer de la Haye?
How many days does it rain in September in Layer de la Haye?
When it does not snow in Layer de la Haye?
What is the average length of the day in September in Layer de la Haye?
When are sunrise and sunset in September in Layer de la Haye?
How many hours of sunshine does Layer de la Haye have in September?
What is the UV index intensity in September in Layer de la Haye?
Average temperature in September
Layer de la Haye, United Kingdom
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (21.2°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Layer de la Haye, United Kingdom
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Layer de la Haye, United Kingdom
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is December (21km/h).
The calmest month (with the lowest average wind speed) is July (14.1km/h).
Average humidity in September
Layer de la Haye, United Kingdom
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Layer de la Haye, United Kingdom
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Layer de la Haye, United Kingdom
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Layer de la Haye, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Layer de la Haye, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Layer de la Haye, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Layer de la Haye, United Kingdom
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
Layer de la Haye, United Kingdom
- 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, March, November and December (UV index 2).
Average cloud cover in September
Layer de la Haye, United Kingdom
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 44).
Average visibility in September
Layer de la Haye, United Kingdom
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
