September weather forecastChellaston, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Chellaston, United Kingdom, with temperature in the range of an average high of 17.2°C (63°F) and an average low of 9.7°C (49.5°F).Temperature
September welcomes an average high-temperature of a still comfortable 17.2°C (63°F), not much different from the preceding month. Chellaston experiences a mean low-temperature of 9.7°C (49.5°F) during September.Humidity
In Chellaston, the average relative humidity in September is 83%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In Chellaston, during the entire year, the rain falls for 163.9 days and collects up to 358mm (14.09") of precipitation.Snowfall
In Chellaston, snow does not fall in April through October.Daylight
In Chellaston, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:44 pm BST.
Sunshine
The average sunshine in September in Chellaston is 6.7h.UV index
The average daily maximum UV index in September in Chellaston is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chellaston, United Kingdom
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Chellaston, United Kingdom
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in September
Chellaston, United Kingdom
- Average wind speed in September: 13.5km/h
The windiest months (with the highest average wind speed) are February and December (18.6km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in September
Chellaston, United Kingdom
- Average humidity in September: 83%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (80%).
Average rainfall in September
Chellaston, United Kingdom
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Chellaston, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in September
Chellaston, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chellaston, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 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
Chellaston, United Kingdom
- Average daylight in September: 12h and 42min
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 42min
The months with the most sunshine are July and August (Average sunshine: 7h and 18min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Chellaston, United Kingdom
- Average sunshine days in September: 15 days
The month with the most sunshine days is January (15.6 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Chellaston, 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
Chellaston, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and September (Cloud cover 53).
Average visibility in September
Chellaston, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
The months with the lowest visibility are September and November (8km).





