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
The arrival of September records an average high-temperature of a still enjoyable 17.6°C (63.7°F), closely related to the 19.6°C (67.3°F) observed in August. Long Ashton, during the nights of September, experiences an average temperature drop to a cool 10.5°C (50.9°F).Humidity
The average relative humidity in September in Long Ashton is 83%.Rainfall
September is the month with the least rainfall. Rain falls for 8.4 days and accumulates 11mm (0.43") of precipitation.Snowfall
In Long Ashton, United Kingdom, snow does not fall in April through November.Daylight
In Long Ashton, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 6:24 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:50 pm BST.
Sunshine
The average sunshine in September in Long Ashton is 6.9h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the average September temperature in Long Ashton?
What is the average humidity in September in Long Ashton?
What is the driest month in Long Ashton?
How many days does it rain in September in Long Ashton?
When it does not snow in Long Ashton?
How many hours of daylight does Long Ashton have in September?
When is the sunrise / sunset in September in Long Ashton?
How many hours of sunshine does Long Ashton have in September?
What is the month with the highest UV index in Long Ashton?
How high is the UV index in September in Long Ashton?
Average temperature in September
Long Ashton, United Kingdom
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).
Average pressure in September
Long Ashton, United Kingdom
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in September
Long Ashton, United Kingdom
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).
Average humidity in September
Long Ashton, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is July (81%).
Average rainfall in September
Long Ashton, United Kingdom
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is November (22mm).
The driest month (with the least rainfall) is September (11mm).
Average rainfall days in September
Long Ashton, United Kingdom
- Average rainfall days in September: 8.4 days
The months with the highest number of rainy days are July and August (12.1 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in September
Long Ashton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Long Ashton, 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
Long Ashton, 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: 7h and 54min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 48min).
Average sunshine days in September
Long Ashton, United Kingdom
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in September
Long Ashton, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Long Ashton, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in September
Long Ashton, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Long Ashton, United Kingdom
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