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 shift from August to September is characterized by an average high-temperature of a comfortable 17.7°C (63.9°F), not significantly different from the 20.1°C (68.2°F) of August. Willoughton experiences a mean temperature of 10.6°C (51.1°F) during September nights.Humidity
The average relative humidity in September in Willoughton is 79%.Rainfall
In Willoughton, during September, the rain falls for 7.1 days and regularly aggregates up to 8mm (0.31") of precipitation. In Willoughton, during the entire year, the rain falls for 105.3 days and collects up to 141mm (5.55") of precipitation.Snowfall
In Willoughton, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 41min.On the first day of September in Willoughton, sunrise is at 6:12 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:41 pm BST.
Sunshine
In September, the average sunshine is 6.8h.UV index
The average daily maximum UV index in September in Willoughton is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the temperature in September in Willoughton?
What is the average humidity in September in Willoughton?
How much does it rain in Willoughton in September?
When it does not snow in Willoughton?
What is the average length of the day in September in Willoughton?
When are sunrise and sunset in September in Willoughton?
How long on average sun shines in September in Willoughton?
What is the UV index intensity in September in Willoughton?
Average temperature in September
Willoughton, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in September
Willoughton, United Kingdom
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in September
Willoughton, United Kingdom
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Willoughton, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Willoughton, United Kingdom
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is June (18mm).
The driest month (with the least rainfall) is April (7mm).
Average rainfall days in September
Willoughton, United Kingdom
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is August (11.4 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Willoughton, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Willoughton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Willoughton, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Willoughton, United Kingdom
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is March (20.3 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in September
Willoughton, 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
Willoughton, United Kingdom
- Average cloud cover in September: 51
The months with the most cloud cover are February and November (Cloud cover 61).
The months with the least cloud cover are April and September (Cloud cover 51).
Average visibility in September
Willoughton, 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).
Willoughton, United Kingdom
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