September weather forecastWindlesham, United Kingdom
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Windlesham, United Kingdom, with an average temperature ranging between max 18.6°C (65.5°F) and min 10.8°C (51.4°F).Temperature
The shift into September finds Windlesham, United Kingdom, at an average high-temperature of an enjoyable 18.6°C (65.5°F), closely comparable to August's conditions. An average low-temperature of 10.8°C (51.4°F) marks the nights in Windlesham throughout September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Windlesham, during September, the rain falls for 12.1 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, in Windlesham, United Kingdom, there are 172.7 rainfall days, and 452mm (17.8") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Windlesham.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:48 pm. On the last day of September, in Windlesham, sunrise is at 7:02 am and sunset at 6:42 pm BST.
Sunshine
In Windlesham, the average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September in Windlesham is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Windlesham, United Kingdom
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).
Average pressure in September
Windlesham, United Kingdom
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Windlesham, United Kingdom
- Average wind speed in September: 12.9km/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 July (12.8km/h).
Average humidity in September
Windlesham, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in September
Windlesham, United Kingdom
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Windlesham, United Kingdom
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Windlesham, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Windlesham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Windlesham, United Kingdom
- Average daylight in September: 12h and 36min
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 24min
The month with the most sunshine is July (Average sunshine: 8h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Windlesham, United Kingdom
- Average sunshine days in September: 14 days
The month with the most sunshine days is March (15.4 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Windlesham, United Kingdom
- 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
Windlesham, United Kingdom
- Average cloud cover in September: 49
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in September
Windlesham, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (9km).
The months with the lowest visibility are October and November (8km).
