September weather forecastWittersham, United Kingdom
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Wittersham, United Kingdom, with temperature in the range of an average low of 12.5°C (54.5°F) and an average high of 18.1°C (64.6°F).Temperature
Wittersham records an average high-temperature of an enjoyable 18.1°C (64.6°F) in September, closely mirroring the climate of the previous month. During the month of September, the nighttime temperature in Wittersham falls to an average of 12.5°C (54.5°F).Humidity
In September, the average relative humidity in Wittersham is 79%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 23mm (0.91") of precipitation is accumulated. In Wittersham, during the entire year, the rain falls for 163.2 days and collects up to 332mm (13.07") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Wittersham is 12h and 38min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:42 pm. On the last day of September, in Wittersham, sunrise is at 6:56 am and sunset at 6:37 pm BST.
Sunshine
In September, the average sunshine in Wittersham is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wittersham, United Kingdom
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (20.4°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (3.5°C).
Average pressure in September
Wittersham, 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 (1011.1mbar).
Average wind speed in September
Wittersham, United Kingdom
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is December (22.6km/h).
The calmest month (with the lowest average wind speed) is July (15.7km/h).
Average humidity in September
Wittersham, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Wittersham, United Kingdom
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is November (42mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Wittersham, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is November (17.2 days).
The month with the least rainy days is June (11.4 days).
Average snowfall in September
Wittersham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is December (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Wittersham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Wittersham, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 54min
The months with the most sunshine are July and August (Average sunshine: 8h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Wittersham, United Kingdom
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is June (16.3 days).
The month with the least sunshine days is November (8.8 days).
Average UV index in September
Wittersham, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Wittersham, United Kingdom
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Wittersham, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are March, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, April, May, November and December (9km).
