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
East Horsley marks the onset of September with an average high-temperature of a refreshing 18.8°C (65.8°F), a subtle shift from August's 21.3°C (70.3°F). An average temperature of 11°C (51.8°F) is recorded during the nights in September.Humidity
In East Horsley, United Kingdom, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 10 days. Throughout September, 17mm (0.67") of precipitation is accumulated. In East Horsley, United Kingdom, during the entire year, the rain falls for 151.9 days and collects up to 291mm (11.46") of precipitation.Snowfall
April through October are months without snowfall in East Horsley.Daylight
The average length of the day in September in East Horsley is 12h and 38min.On the first day of September, sunrise is at 6:15 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:41 pm BST.
Sunshine
The average sunshine in September is 7.5h.UV index
In East Horsley, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Adopt protective measures - It is advised to guard against sun damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in East Horsley?
What is the average humidity in September in East Horsley?
How many days does it rain in September in East Horsley?
When it does not snow in East Horsley?
What is the average length of the day in September in East Horsley?
When is the sunrise / sunset in September in East Horsley?
How long on average sun shines in September in East Horsley?
What is the UV index reading in September in East Horsley?
Average temperature in September
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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).
