September weather forecastUnderbarrow, United Kingdom
September
Weather in September
September, the first month of the autumn in Underbarrow, is still a refreshing month, with an average temperature varying between 14.3°C (57.7°F) and 8.1°C (46.6°F).Temperature
The arrival of September denotes a barely perceptible change in the average high-temperatures to a still refreshing 14.3°C (57.7°F) from August's 16.1°C (61°F). Underbarrow's nighttime temperature in September drops to an average of 8.1°C (46.6°F).Humidity
In September, the average relative humidity in Underbarrow is 90%.Rainfall
In Underbarrow, in September, during 17.4 rainfall days, 52mm (2.05") of precipitation is typically accumulated. In Underbarrow, during the entire year, the rain falls for 220.5 days and collects up to 741mm (29.17") of precipitation.Snowfall
June through October are months without snowfall.Daylight
In September, the average length of the day in Underbarrow is 12h and 42min.On the first day of September in Underbarrow, United Kingdom, sunrise is at 6:20 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:49 pm BST.
Sunshine
In Underbarrow, the average sunshine in September is 5.5h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 3 transforms into the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Underbarrow, United Kingdom
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is August (9.9°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in September
Underbarrow, United Kingdom
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.4mbar).
Average wind speed in September
Underbarrow, United Kingdom
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest months (with the lowest average wind speed) are June and July (12.5km/h).
Average humidity in September
Underbarrow, United Kingdom
- Average humidity in September: 90%
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (85%).
Average rainfall in September
Underbarrow, United Kingdom
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is August (83mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Underbarrow, United Kingdom
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is August (22.6 days).
The month with the least rainy days is February (14.4 days).
Average snowfall in September
Underbarrow, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (86mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Underbarrow, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Underbarrow, 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: 5h and 30min
The month with the most sunshine is April (Average sunshine: 6h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Underbarrow, United Kingdom
- Average sunshine days in September: 7.9 days
The month with the most sunshine days is April (11.1 days).
The month with the least sunshine days is August (5 days).
Average UV index in September
Underbarrow, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in September
Underbarrow, United Kingdom
- Average cloud cover in September: 64
The months with the most cloud cover are January and December (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in September
Underbarrow, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
