Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Longley Green's average high-temperature marks a still comfortable 17.5°C (63.5°F) with the advent of September, closely mirroring that of the preceding month. In Longley Green, the September nights cool down to an average low of 9.7°C (49.5°F).Humidity
The average relative humidity in September is 84%.Rainfall
In Longley Green, in September, during 10.6 rainfall days, 14mm (0.55") of precipitation is typically accumulated. Throughout the year, in Longley Green, there are 145.9 rainfall days, and 245mm (9.65") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Longley Green is 12h and 39min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:56 pm. On the last day of September, in Longley Green, sunrise is at 7:09 am and sunset at 6:48 pm BST.
Sunshine
The average sunshine in September in Longley Green is 6.7h.UV index
The months with the highest UV index in Longley Green, United Kingdom, are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Longley Green?
What is the average humidity in September in Longley Green?
How many days does it rain in September in Longley Green?
When it does not snow in Longley Green?
What is the average length of the day in September in Longley Green?
When is the sunrise / sunset in September in Longley Green?
How long on average sun shines in September in Longley Green?
When is the highest UV index in Longley Green?
What is the UV index reading in September in Longley Green?
Average temperature in September
Longley Green, United Kingdom
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 9.7°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 (1.3°C).
Average pressure in September
Longley Green, United Kingdom
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in September
Longley Green, United Kingdom
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is February (17.9km/h).
The calmest months (with the lowest average wind speed) are June and July (12.4km/h).
Average humidity in September
Longley Green, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January, November and December (90%).
The months with the lowest relative humidity are July and August (82%).
Average rainfall in September
Longley Green, United Kingdom
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is June (32mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Longley Green, United Kingdom
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is February (10 days).
Average snowfall in September
Longley Green, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (7mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Longley Green, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 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
Longley Green, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 7h and 30min).
The months with the least sunshine are February and November (Average sunshine: 3h and 48min).
Average sunshine days in September
Longley Green, United Kingdom
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is March (17.3 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in September
Longley Green, 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
Longley Green, United Kingdom
- Average cloud cover in September: 54
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in September
Longley Green, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, May and December (9km).
The months with the lowest visibility are April, June, July, August, September, October and November (8km).
