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
West Horsley's transition from August to September introduces an average high-temperature of a refreshing 18.8°C (65.8°F), marking an insignificant variation from the 21.3°C (70.3°F). During September, West Horsley witnesses a consistent average low-temperature of 11°C (51.8°F).Humidity
The average relative humidity in September is 79%.Rainfall
In West Horsley, in September, during 10 rainfall days, 17mm (0.67") of precipitation is typically accumulated. Throughout the year, in West Horsley, there are 151.9 rainfall days, and 291mm (11.46") of precipitation is accumulated.Snowfall
In West Horsley, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:47 pm. On the last day of September, in West Horsley, sunrise is at 7:01 am and sunset at 6:41 pm BST.
Sunshine
In West Horsley, the average sunshine in September is 7.5h.UV index
In West Horsley, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What is the average September temperature in West Horsley?
What is the average humidity in September in West Horsley?
How many days does it rain in September in West Horsley?
When it does not snow in West Horsley?
How many hours of daylight does West Horsley have in September?
What time are sunrise and sunset in September in West Horsley?
How long on average sun shines in September in West Horsley?
How high is the UV index in September in West Horsley?
Average temperature in September
West Horsley, United Kingdom
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
West Horsley, United Kingdom
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in September
West Horsley, United Kingdom
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest months (with the lowest average wind speed) are July and August (12.8km/h).
Average humidity in September
West Horsley, United Kingdom
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in September
West Horsley, United Kingdom
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
West Horsley, United Kingdom
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is September (10 days).
Average snowfall in September
West Horsley, United Kingdom
- 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
West Horsley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.5 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
West Horsley, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
West Horsley, United Kingdom
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in September
West Horsley, 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, November and December (UV index 2).
Average cloud cover in September
West Horsley, United Kingdom
- Average cloud cover in September: 47
The months with the most cloud cover are February and November (Cloud cover 60).
The months with the least cloud cover are April, July, August and September (Cloud cover 47).
Average visibility in September
West Horsley, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
West Horsley, United Kingdom
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