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 onset of September brings with it an average high-temperature of a still comfortable 17.7°C (63.9°F), showing a negligible variation from the month before. During September nights, Somerford Keynes records an average temperature of 9.7°C (49.5°F).Humidity
In September, the average relative humidity in Somerford Keynes, United Kingdom, is 84%.Rainfall
The months with the least rainfall are April and September Rain falls for 12.1 days and accumulates 19mm (0.75") of rain.Snowfall
In Somerford Keynes, United Kingdom, snow does not fall in April through November.Daylight
The average length of the day in September in Somerford Keynes is 12h and 38min.On the first day of September in Somerford Keynes, sunrise is at 6:21 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:47 pm BST.
Sunshine
The average sunshine in September in Somerford Keynes is 6.7h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Act with care - The need to guard against sun damage is communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What are the temperatures in Somerford Keynes in September?
What is the average humidity in September in Somerford Keynes?
What is the driest month in Somerford Keynes?
How much does it rain in Somerford Keynes in September?
When it does not snow in Somerford Keynes?
What is the average length of the day in September in Somerford Keynes?
What time are sunrise and sunset in September in Somerford Keynes?
How many hours of sunshine does Somerford Keynes have in September?
When is the highest UV index in Somerford Keynes?
How high is the UV index in September in Somerford Keynes?
Average temperature in September
Somerford Keynes, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (12°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in September
Somerford Keynes, United Kingdom
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in September
Somerford Keynes, United Kingdom
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in September
Somerford Keynes, United Kingdom
- Average humidity in September: 84%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (82%).
Average rainfall in September
Somerford Keynes, United Kingdom
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is November (40mm).
The driest months (with the least rainfall) are April and September (19mm).
Average rainfall days in September
Somerford Keynes, United Kingdom
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Somerford Keynes, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Somerford Keynes, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Somerford Keynes, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Somerford Keynes, United Kingdom
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is March (15.3 days).
The month with the least sunshine days is August (9.4 days).
Average UV index in September
Somerford Keynes, 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
Somerford Keynes, United Kingdom
- Average cloud cover in September: 54
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in September
Somerford Keynes, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
Somerford Keynes, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
