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
September
Weather in September
Temperature
The average high-temperature during September registers at a still refreshing 16.8°C (62.2°F), maintaining a close resemblance to the previous month. Throughout September, an average low-temperature of 9.9°C (49.8°F) is expected.Humidity
The average relative humidity in September is 83%.Rainfall
In September, the rain falls for 15.6 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 206.7 rainfall days, and 474mm (18.66") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Alvanley is 12h and 41min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:49 pm BST.
Sunshine
In Alvanley, the average sunshine in September is 6.9h.UV index
The average daily maximum UV index in September in Alvanley is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alvanley in September?
What is the average humidity in September in Alvanley?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Alvanley have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Alvanley, United Kingdom
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).
Average pressure in September
Alvanley, United Kingdom
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in September
Alvanley, United Kingdom
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is June (11.9km/h).
Average humidity in September
Alvanley, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is May (80%).
Average rainfall in September
Alvanley, United Kingdom
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is June (56mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Alvanley, United Kingdom
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is August (20.5 days).
The month with the least rainy days is February (13.6 days).
Average snowfall in September
Alvanley, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Alvanley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Alvanley, 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 months with the least sunshine are February and November (Average sunshine: 4h and 6min).
Average sunshine days in September
Alvanley, United Kingdom
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is March (11.9 days).
The month with the least sunshine days is August (6.5 days).
Average UV index in September
Alvanley, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Alvanley, United Kingdom
- Average cloud cover in September: 52
The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is April (Cloud cover 49).
Average visibility in September
Alvanley, 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).
