September weather forecastFarnley, United Kingdom
September
Weather in September
September, the first month of the autumn in Farnley, is still a comfortable month, with temperature in the range of an average high of 16.7°C (62.1°F) and an average low of 9.5°C (49.1°F).Temperature
Transitioning into September, Farnley records an average high-temperature of a still refreshing 16.7°C (62.1°F), almost identical to August's 19.2°C (66.6°F). Farnley's September nights cool down to an average low-temperature of 9.5°C (49.1°F).Humidity
The average relative humidity in September is 81%.Rainfall
In Farnley, in September, it is raining for 12.9 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 175.8 rainfall days, and 408mm (16.06") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Farnley is 12h and 41min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:56 pm. On the last day of September, in Farnley, sunrise is at 7:07 am and sunset at 6:45 pm BST.
Sunshine
The average sunshine in September in Farnley is 6.9h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Farnley. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Farnley, United Kingdom
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 9.5°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 (1.4°C).
Average pressure in September
Farnley, United Kingdom
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in September
Farnley, United Kingdom
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is February (17.9km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).
Average humidity in September
Farnley, United Kingdom
- Average humidity in September: 81%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April, May, July and August (79%).
Average rainfall in September
Farnley, United Kingdom
- Average rainfall in September: 29mm
The wettest months (with the highest rainfall) are June and July (49mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Farnley, United Kingdom
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Farnley, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Farnley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 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
Farnley, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Farnley, United Kingdom
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is December (14.6 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in September
Farnley, 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
Farnley, United Kingdom
- Average cloud cover in September: 52
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in September
Farnley, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, August and December (9km).
The months with the lowest visibility are January, June, July, September, October and November (8km).
