September weather forecastEpsom, United Kingdom
September
Weather in September
September, the first month of the autumn in Epsom, is also an enjoyable month, with an average temperature ranging between min 11.2°C (52.2°F) and max 18.7°C (65.7°F).Temperature
The weather during September records an average high-temperature of a refreshing 18.7°C (65.7°F), closely mirroring the preceding month. Epsom experiences an average nighttime temperature of 11.2°C (52.2°F) in the month of September.Humidity
In September, the average relative humidity in Epsom, United Kingdom, is 78%.Rainfall
In September, in Epsom, the rain falls for 10.5 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 156.9 rainfall days, and 304mm (11.97") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of September in Epsom, sunrise is at 6:14 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:40 pm BST.
Sunshine
In Epsom, the average sunshine in September is 7.5h.UV index
In September, the average daily maximum UV index in Epsom, United Kingdom, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Epsom, United Kingdom
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Epsom, 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 (1010.6mbar).
Average wind speed in September
Epsom, United Kingdom
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Epsom, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in September
Epsom, United Kingdom
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is November (33mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Epsom, United Kingdom
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in September
Epsom, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Epsom, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Epsom, 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 30min
The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Epsom, United Kingdom
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (11.1 days).
Average UV index in September
Epsom, 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
Epsom, United Kingdom
- Average cloud cover in September: 48
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in September
Epsom, 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).
