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 advent of September denotes an average high-temperature of a still enjoyable 16.4°C (61.5°F), subtly different from August's 18.1°C (64.6°F). Lewdown, during the month of September, experiences an average low-temperature of 10.3°C (50.5°F).Humidity
In September, the average relative humidity is 87%.Rainfall
In Lewdown, in September, it is raining for 13 days, with typically 30mm (1.18") of accumulated precipitation. In Lewdown, during the entire year, the rain falls for 181.5 days and collects up to 531mm (20.91") of precipitation.Snowfall
In Lewdown, United Kingdom, snow does not fall in May through October.Daylight
In Lewdown, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:56 pm BST.
Sunshine
In Lewdown, the average sunshine in September is 6.3h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Lewdown. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the usual temperature for Lewdown in September?
What is the average humidity in September in Lewdown?
How much does it rain in Lewdown in September?
When it does not snow in Lewdown?
What is the average length of the day in September in Lewdown?
When is the sunrise / sunset in September in Lewdown?
How many hours of sunshine does Lewdown have in September?
What are the months with the highest UV index in Lewdown?
What is the UV index intensity in September in Lewdown?
Average temperature in September
Lewdown, United Kingdom
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is July (18.6°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in September: 10.3°C
The months with the highest average low temperature are July and August (11.9°C).
The coldest month (with the lowest average low temperature) is February (3°C).
Average pressure in September
Lewdown, United Kingdom
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Lewdown, United Kingdom
- Average wind speed in September: 15.6km/h
The windiest month (with the highest average wind speed) is February (21.7km/h).
The calmest month (with the lowest average wind speed) is July (14.3km/h).
Average humidity in September
Lewdown, United Kingdom
- Average humidity in September: 87%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is April (84%).
Average rainfall in September
Lewdown, United Kingdom
- Average rainfall in September: 30mm
The wettest months (with the highest rainfall) are November and December (64mm).
The driest month (with the least rainfall) is May (28mm).
Average rainfall days in September
Lewdown, United Kingdom
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is November (18.6 days).
The months with the least rainy days are February and September (13 days).
Average snowfall in September
Lewdown, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Lewdown, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lewdown, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is April (Average sunshine: 7h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 18min).
Average sunshine days in September
Lewdown, United Kingdom
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is April (13.6 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in September
Lewdown, 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, March, November and December (UV index 2).
Average cloud cover in September
Lewdown, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is November (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in September
Lewdown, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, June, October, November and December (9km).
The months with the lowest visibility are May, July, August and September (8km).
Lewdown, United Kingdom
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