Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In September, the average high-temperature registers at a still enjoyable 16.9°C (62.4°F), nearly identical to August's 19.5°C (67.1°F). Throughout September nights, Brotherton registers an average low-temperature of 9.8°C (49.6°F).Humidity
In Brotherton, United Kingdom, the average relative humidity in September is 81%.Rainfall
In Brotherton, in September, during 15.2 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Brotherton, during the entire year, the rain falls for 209.6 days and collects up to 565mm (22.24") of precipitation.Snowfall
In Brotherton, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 41min.On the first day of September, sunrise is at 6:14 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:43 pm BST.
Sunshine
In Brotherton, United Kingdom, the average sunshine in September is 7.2h.UV index
In Brotherton, United Kingdom, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 in September translates into these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the temperature in September in Brotherton?
What is the average humidity in September in Brotherton?
How many days does it rain in September in Brotherton?
When it does not snow in Brotherton?
How many hours of daylight does Brotherton have in September?
When are sunrise and sunset in September in Brotherton?
How long on average sun shines in September in Brotherton?
How high is the UV index in September in Brotherton?
Average temperature in September
Brotherton, United Kingdom
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Brotherton, United Kingdom
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in September
Brotherton, United Kingdom
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).
Average humidity in September
Brotherton, United Kingdom
- Average humidity in September: 81%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Brotherton, United Kingdom
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Brotherton, United Kingdom
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is February (14.8 days).
Average snowfall in September
Brotherton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Brotherton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4 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
Brotherton, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Brotherton, United Kingdom
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is March (11.7 days).
The month with the least sunshine days is August (5.3 days).
Average UV index in September
Brotherton, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Brotherton, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 60).
The months with the least cloud cover are April and September (Cloud cover 50).
Average visibility in September
Brotherton, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are January, September, October and November (8km).
Brotherton, United Kingdom
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