September weather forecastBarnack, United Kingdom
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Barnack, United Kingdom, with an average temperature ranging between max 18.3°C (64.9°F) and min 10.8°C (51.4°F).Temperature
A minimal variation is noted in Barnack's average high-temperature at the onset of September, reaching an enjoyable 18.3°C (64.9°F) from August's 20.8°C (69.4°F). During September, Barnack records a consistent average nighttime temperature of 10.8°C (51.4°F).Humidity
In Barnack, United Kingdom, the average relative humidity in September is 78%.Rainfall
In Barnack, during September, the rain falls for 11.8 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, in Barnack, there are 171.7 rainfall days, and 427mm (16.81") of precipitation is accumulated.Snowfall
In Barnack, United Kingdom, snow does not fall in April through November.Daylight
In Barnack, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:13 am and sunset at 7:49 pm. On the last day of September, in Barnack, sunrise is at 7:02 am and sunset at 6:40 pm BST.
Sunshine
The average sunshine in September is 7h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barnack, United Kingdom
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Barnack, United Kingdom
- Average pressure in September: 1016.2mbar
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
Barnack, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Barnack, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Barnack, United Kingdom
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Barnack, United Kingdom
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in September
Barnack, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Barnack, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Barnack, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 0min
The months with the most sunshine are July and August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Barnack, United Kingdom
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Barnack, 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
Barnack, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 50).
Average visibility in September
Barnack, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, July, August, September, October and December (9km).
The months with the lowest visibility are June and November (8km).
