September weather forecastLongriggend, United Kingdom
September
Weather in September
September, the first month of the autumn in Longriggend, is still a refreshing month, with an average temperature ranging between min 8.2°C (46.8°F) and max 14.2°C (57.6°F).Temperature
September's commencement is accompanied by an average high-temperature of a moderate 14.2°C (57.6°F), diverging marginally from August's 16.3°C (61.3°F). Throughout the month of September, Longriggend sees a steady low-temperature average of 8.2°C (46.8°F).Humidity
In September, the average relative humidity in Longriggend is 89%.Rainfall
In Longriggend, United Kingdom, during September, the rain falls for 17.8 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, in Longriggend, there are 217.9 rainfall days, and 576mm (22.68") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Longriggend.Daylight
In September, the average length of the day in Longriggend is 12h and 44min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:09 pm. On the last day of September, in Longriggend, sunrise is at 7:17 am and sunset at 6:53 pm BST.
Sunshine
In Longriggend, the average sunshine in September is 5.3h.UV index
The average daily maximum UV index in September in Longriggend is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Longriggend, United Kingdom
- Average high temperature in September: 14.2°C
The warmest month (with the highest average high temperature) is July (17°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in September
Longriggend, United Kingdom
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1006.9mbar).
Average wind speed in September
Longriggend, United Kingdom
- Average wind speed in September: 13.9km/h
The windiest month (with the highest average wind speed) is January (18.1km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in September
Longriggend, United Kingdom
- Average humidity in September: 89%
The months with the highest relative humidity are January, November and December (90%).
The month with the lowest relative humidity is April (82%).
Average rainfall in September
Longriggend, United Kingdom
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is August (70mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Longriggend, United Kingdom
- Average rainfall days in September: 17.8 days
The month with the highest number of rainy days is August (22.9 days).
The month with the least rainy days is February (14.5 days).
Average snowfall in September
Longriggend, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (64mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Longriggend, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Longriggend, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 5h and 18min
The months with the most sunshine are April and June (Average sunshine: 6h and 30min).
The months with the least sunshine are February and October (Average sunshine: 3h and 36min).
Average sunshine days in September
Longriggend, United Kingdom
- Average sunshine days in September: 8.7 days
The month with the most sunshine days is November (11.9 days).
The month with the least sunshine days is August (4.7 days).
Average UV index in September
Longriggend, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May and July (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Longriggend, United Kingdom
- Average cloud cover in September: 65
The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in September
Longriggend, United Kingdom
- Average visibility in September: 7km
The months with the highest visibility are March and April (9km).
The month with the lowest visibility is September (7km).
