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
With the arrival of September, Sleaford's average high-temperature registers at a comfortable 17.9°C (64.2°F), indicating a subtle variation from the previous month. In the month of September, Sleaford's average low-temperature falls to a fresh 10.6°C (51.1°F).Humidity
In Sleaford, the average relative humidity in September is 79%.Rainfall
In Sleaford, during September, the rain falls for 10.4 days and regularly aggregates up to 22mm (0.87") of precipitation. In Sleaford, during the entire year, the rain falls for 150.1 days and collects up to 270mm (10.63") of precipitation.Snowfall
April through October are months without snowfall in Sleaford.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:40 pm BST.
Sunshine
The average sunshine in September is 6.7h.UV index
The months with the highest UV index in Sleaford, United Kingdom, are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September leads to these instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the temperature in September in Sleaford?
What is the average humidity in September in Sleaford?
How many days does it rain in September in Sleaford?
When it does not snow in Sleaford?
How many hours of daylight does Sleaford have in September?
When are sunrise and sunset in September in Sleaford?
How many hours of sunshine does Sleaford have in September?
What are the months with the highest UV index in Sleaford?
What is the UV index intensity in September in Sleaford?
Average temperature in September
Sleaford, United Kingdom
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (5.9°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 (1.6°C).
Average pressure in September
Sleaford, United Kingdom
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).
Average wind speed in September
Sleaford, United Kingdom
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Sleaford, United Kingdom
- Average humidity in September: 79%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Sleaford, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is June (38mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Sleaford, United Kingdom
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Sleaford, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sleaford, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.7 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
Sleaford, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is August (Average sunshine: 7h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Sleaford, United Kingdom
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Sleaford, 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
Sleaford, United Kingdom
- Average cloud cover in September: 51
The months with the most cloud cover are February and November (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 51).
Average visibility in September
Sleaford, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, July, August, September, October and December (9km).
The months with the lowest visibility are June and November (8km).
Sleaford, United Kingdom
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