September weather forecastDarkley, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Darkley, United Kingdom, with an average temperature fluctuating between 8.2°C (46.8°F) and 14.9°C (58.8°F).Temperature
The introduction of September sees an average high-temperature of a moderate 14.9°C (58.8°F), hardly deviating from August. An average low-temperature of 8.2°C (46.8°F) is observed in Darkley, United Kingdom, during the September nights.Humidity
In September, the average relative humidity is 90%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.2 days and typically collects 14mm (0.55") of precipitation.Snowfall
In Darkley, snow does not fall in April through November.Daylight
The average length of the day in September in Darkley is 12h and 42min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:17 pm. On the last day of September, in Darkley, sunrise is at 7:28 am and sunset at 7:05 pm BST.
Sunshine
In Darkley, the average sunshine in September is 4.8h.UV index
In September, the average daily maximum UV index in Darkley is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 suggests these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Darkley, United Kingdom
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is July (9.9°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Darkley, United Kingdom
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in September
Darkley, United Kingdom
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is January (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.2km/h).
Average humidity in September
Darkley, United Kingdom
- Average humidity in September: 90%
The months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (86%).
Average rainfall in September
Darkley, United Kingdom
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is August (34mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in September
Darkley, United Kingdom
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in September
Darkley, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Darkley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Darkley, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 4h and 48min
The month with the most sunshine is June (Average sunshine: 6h and 6min).
The months with the least sunshine are January, February and October (Average sunshine: 3h and 24min).
Average sunshine days in September
Darkley, United Kingdom
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is October (12.9 days).
The month with the least sunshine days is July (7 days).
Average UV index in September
Darkley, United Kingdom
- Average UV index in September: 3
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Darkley, United Kingdom
- Average cloud cover in September: 69
The month with the most cloud cover is August (Cloud cover 73).
The month with the least cloud cover is April (Cloud cover 62).
Average visibility in September
Darkley, United Kingdom
- Average visibility in September: 7km
The month with the highest visibility is March (9km).
The months with the lowest visibility are July, August and September (7km).
