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
South Cornelly's shift from August to September is accompanied by an average high-temperature of a still refreshing 16.7°C (62.1°F), a slight deviation from 18.2°C (64.8°F). South Cornelly's nighttime temperatures in September display a slight drop from daytime highs, averaging to a fresh 11.9°C (53.4°F).Humidity
The average relative humidity in September in South Cornelly is 83%.Rainfall
In South Cornelly, United Kingdom, in September, during 10.8 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 148.6 rainfall days, and 256mm (10.08") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in South Cornelly is 12h and 38min.On the first day of September in South Cornelly, sunrise is at 6:28 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:54 pm BST.
Sunshine
In South Cornelly, the average sunshine in September is 6.9h.UV index
The months with the highest UV index in South Cornelly are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in South Cornelly?
What is the average humidity in September in South Cornelly?
How many days does it rain in September in South Cornelly?
When it does not snow in South Cornelly?
How many hours of daylight does South Cornelly have in September?
When is the sunrise / sunset in September in South Cornelly?
How long on average sun shines in September in South Cornelly?
When is the highest UV index in South Cornelly?
What is the UV index intensity in September in South Cornelly?
Average temperature in September
South Cornelly, United Kingdom
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The months with the lowest average high temperature are January and February (7.8°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (4.4°C).
Average pressure in September
South Cornelly, 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 (1009.9mbar).
Average wind speed in September
South Cornelly, United Kingdom
- Average wind speed in September: 18.1km/h
The windiest month (with the highest average wind speed) is December (24.6km/h).
The calmest month (with the lowest average wind speed) is June (16.2km/h).
Average humidity in September
South Cornelly, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are January, October, November and December (84%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in September
South Cornelly, United Kingdom
- Average rainfall in September: 21mm
The wettest months (with the highest rainfall) are November and December (33mm).
The driest month (with the least rainfall) is May (9mm).
Average rainfall days in September
South Cornelly, United Kingdom
- Average rainfall days in September: 10.8 days
The months with the highest number of rainy days are November and December (15.5 days).
The month with the least rainy days is May (9.1 days).
Average snowfall in September
South Cornelly, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (2mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
South Cornelly, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1 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
South Cornelly, 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 5min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
South Cornelly, United Kingdom
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is May (19.1 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in September
South Cornelly, 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
South Cornelly, United Kingdom
- Average cloud cover in September: 52
The months with the most cloud cover are November and December (Cloud cover 62).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in September
South Cornelly, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are January, July, August and September (9km).
South Cornelly, United Kingdom
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