September weather forecastLyonshall, United Kingdom
September
Weather in September
September, the first month of the autumn in Lyonshall, is also an enjoyable month, with temperature in the range of an average high of 16.5°C (61.7°F) and an average low of 8.6°C (47.5°F).Temperature
September notes an average high-temperature of a still refreshing 16.5°C (61.7°F), subtly differing from August's 18.5°C (65.3°F). Lyonshall experiences an average nighttime temperature of 8.6°C (47.5°F) in the month of September.Humidity
In Lyonshall, the average relative humidity in September is 87%.Rainfall
September is the month with the least rainfall in Lyonshall, United Kingdom. Rain falls for 7.7 days and accumulates 10mm (0.39") of precipitation.Snowfall
In Lyonshall, snow does not fall in May through October.Daylight
In Lyonshall, United Kingdom, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:59 pm. On the last day of September, in Lyonshall, sunrise is at 7:12 am and sunset at 6:51 pm BST.
Sunshine
In Lyonshall, the average sunshine in September is 6.4h.UV index
The average daily maximum UV index in September in Lyonshall, United Kingdom, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find 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
Lyonshall, United Kingdom
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 8.6°C
The months with the highest average low temperature are July and August (10.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.2°C).
Average pressure in September
Lyonshall, United Kingdom
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in September
Lyonshall, United Kingdom
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).
Average humidity in September
Lyonshall, United Kingdom
- Average humidity in September: 87%
The months with the highest relative humidity are November and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in September
Lyonshall, United Kingdom
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is June (25mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in September
Lyonshall, United Kingdom
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Lyonshall, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (9mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Lyonshall, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Lyonshall, United Kingdom
- Average daylight in September: 12h and 42min
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 24min
The month with the most sunshine is July (Average sunshine: 7h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 30min).
Average sunshine days in September
Lyonshall, United Kingdom
- Average sunshine days in September: 19.5 days
The months with the most sunshine days are January and December (20.7 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in September
Lyonshall, 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, March, November and December (UV index 2).
Average cloud cover in September
Lyonshall, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Lyonshall, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
