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 coincides with an average high-temperature of an enjoyable 18.3°C (64.9°F), indicating a minimal shift from August's 20.9°C (69.6°F). September nights in Aslacton, United Kingdom, experience a consistent temperature drop to a fresh 12.3°C (54.1°F).Humidity
In September, the average relative humidity in Aslacton is 78%.Rainfall
In September, in Aslacton, the rain falls for 11.3 days. Throughout September, 17mm (0.67") of precipitation is accumulated. Throughout the year, in Aslacton, there are 159.6 rainfall days, and 268mm (10.55") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Aslacton.Daylight
The average length of the day in September in Aslacton, United Kingdom, is 12h and 40min.On the first day of September, sunrise is at 6:07 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:34 pm BST.
Sunshine
In September, the average sunshine in Aslacton is 7.7h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are September temperatures in Aslacton?
What is the average humidity in September in Aslacton?
How many days does it rain in September in Aslacton?
When it does not snow in Aslacton?
How many hours of daylight does Aslacton have in September?
When are sunrise and sunset in September in Aslacton?
How many hours of sunshine does Aslacton have in September?
What is the UV index intensity in September in Aslacton?
Average temperature in September
Aslacton, United Kingdom
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure in September
Aslacton, United Kingdom
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Aslacton, United Kingdom
- Average wind speed in September: 14.8km/h
The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is July (13.7km/h).
Average humidity in September
Aslacton, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Aslacton, United Kingdom
- Average rainfall in September: 17mm
The wettest months (with the highest rainfall) are July and December (29mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Aslacton, United Kingdom
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in September
Aslacton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Aslacton, 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, September and October (0 days).
Average daylight in September /
Average sunshine in September
Aslacton, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Aslacton, United Kingdom
- Average sunshine days in September: 15.1 days
The months with the most sunshine days are March and April (15.3 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Aslacton, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and 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
Aslacton, United Kingdom
- Average cloud cover in September: 44
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Aslacton, 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).
Aslacton, United Kingdom
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