September weather forecastLlanigon, United Kingdom
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Llanigon, United Kingdom, with an average temperature fluctuating between 8.8°C (47.8°F) and 16.8°C (62.2°F).Temperature
Shifting into September, Llanigon records an average high-temperature of a still enjoyable 16.8°C (62.2°F), presenting minor fluctuations compared to the previous month. During September, Llanigon consistently records a temperature low averaging a frosty 8.8°C (47.8°F).Humidity
In Llanigon, the average relative humidity in September is 86%.Rainfall
September is the month with the least rainfall in Llanigon. Rain falls for 6.2 days and accumulates 8mm (0.31") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Llanigon, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:59 pm. On the last day of September, in Llanigon, sunrise is at 7:12 am and sunset at 6:51 pm BST.
Sunshine
The average sunshine in September is 6.3h.UV index
In Llanigon, United Kingdom, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. 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
Llanigon, United Kingdom
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is July (11°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Llanigon, 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
Llanigon, United Kingdom
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).
Average humidity in September
Llanigon, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are November and December (91%).
The months with the lowest relative humidity are April, May and July (84%).
Average rainfall in September
Llanigon, United Kingdom
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is November (23mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in September
Llanigon, United Kingdom
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is July (10.9 days).
The month with the least rainy days is September (6.2 days).
Average snowfall in September
Llanigon, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Llanigon, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 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
Llanigon, United Kingdom
- Average daylight in September: 12h and 36min
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 18min
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
Llanigon, United Kingdom
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is September (20.5 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in September
Llanigon, 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
Llanigon, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is November (Cloud cover 66).
The months with the least cloud cover are April and May (Cloud cover 56).
Average visibility in September
Llanigon, 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).
