September weather forecastHackness, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a mild month in Hackness, United Kingdom, with an average temperature varying between 11.1°C (52°F) and 15.9°C (60.6°F).Temperature
Hackness's entry into September measures an average high-temperature of a still refreshing 15.9°C (60.6°F), closely parallel to the preceding month. September nights in Hackness experience a minor temperature downturn to a fresh 11.1°C (52°F).Humidity
In Hackness, the average relative humidity in September is 82%.Rainfall
In September, the rain falls for 13.6 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 174.8 rainfall days, and 441mm (17.36") of precipitation is accumulated.Snowfall
In Hackness, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 42min.On the first day of September in Hackness, sunrise is at 6:10 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:40 pm BST.
Sunshine
In Hackness, the average sunshine in September is 7.4h.UV index
The months with the highest UV index in Hackness are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hackness, United Kingdom
- Average high temperature in September: 15.9°C
The warmest month (with the highest average high temperature) is August (17.9°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in September
Hackness, United Kingdom
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).
Average wind speed in September
Hackness, United Kingdom
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is December (22.1km/h).
The calmest month (with the lowest average wind speed) is June (14.1km/h).
Average humidity in September
Hackness, United Kingdom
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April, May and August (80%).
Average rainfall in September
Hackness, United Kingdom
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Hackness, United Kingdom
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (11.2 days).
Average snowfall in September
Hackness, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (54mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hackness, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hackness, 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: 7h and 24min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Hackness, United Kingdom
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in September
Hackness, 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, March, November and December (UV index 2).
Average cloud cover in September
Hackness, United Kingdom
- Average cloud cover in September: 48
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in September
Hackness, United Kingdom
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
