September weather forecastCheddar, United Kingdom
September
Weather in September
September, the first month of the autumn in Cheddar, is still a comfortable month, with an average temperature varying between 17.7°C (63.9°F) and 10.4°C (50.7°F).Temperature
Cheddar's transition from August to September introduces an average high-temperature of a still comfortable 17.7°C (63.9°F), marking an insignificant variation from the 19.5°C (67.1°F). In the month of September, Cheddar witnesses a consistent average low-temperature of 10.4°C (50.7°F).Humidity
In Cheddar, the average relative humidity in September is 84%.Rainfall
The months with the least rainfall are April and September Rain falls for 12.5 days and accumulates 30mm (1.18") of rain.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:56 pm. On the last day of September, in Cheddar, United Kingdom, sunrise is at 7:11 am and sunset at 6:50 pm BST.
Sunshine
In September, the average sunshine is 7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cheddar, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Cheddar, United Kingdom
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Cheddar, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Cheddar, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (82%).
Average rainfall in September
Cheddar, United Kingdom
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (67mm).
The driest months (with the least rainfall) are April and September (30mm).
Average rainfall days in September
Cheddar, United Kingdom
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in September
Cheddar, 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 and October (0mm).
Average snowfall days in September
Cheddar, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.7 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
Cheddar, 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 0min
The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).
Average sunshine days in September
Cheddar, United Kingdom
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Cheddar, 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
Cheddar, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 50).
Average visibility in September
Cheddar, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June and December (9km).
The months with the lowest visibility are July, August, September, October and November (8km).
