September weather forecastCummertrees, United Kingdom
September
Weather in September
September, the first month of the autumn in Cummertrees, is still a mild month, with an average temperature varying between 15.1°C (59.2°F) and 8.8°C (47.8°F).Temperature
Cummertrees notes an average high-temperature of a still refreshing 15.1°C (59.2°F) in September, displaying minor variation from August. The average temperature during September nights dips to a chilly 8.8°C (47.8°F).Humidity
The average relative humidity in September is 88%.Rainfall
In Cummertrees, in September, during 16.3 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Cummertrees, during the entire year, the rain falls for 204.6 days and collects up to 478mm (18.82") of precipitation.Snowfall
In Cummertrees, United Kingdom, snow does not fall in May through November.Daylight
The average length of the day in September is 12h and 43min.On the first day of September in Cummertrees, sunrise is at 6:20 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:51 pm BST.
Sunshine
In September, the average sunshine is 6.4h.UV index
The average daily maximum UV index in September in Cummertrees is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 3 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cummertrees, United Kingdom
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is July (17.5°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (10.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Cummertrees, United Kingdom
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1007.7mbar).
Average wind speed in September
Cummertrees, United Kingdom
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest months (with the lowest average wind speed) are June and July (12.5km/h).
Average humidity in September
Cummertrees, United Kingdom
- Average humidity in September: 88%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is April (82%).
Average rainfall in September
Cummertrees, United Kingdom
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Cummertrees, United Kingdom
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is April (13.3 days).
Average snowfall in September
Cummertrees, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Cummertrees, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.7 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Cummertrees, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 6h and 24min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Cummertrees, United Kingdom
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is April (13 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in September
Cummertrees, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Cummertrees, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in September
Cummertrees, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).





