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
September
Weather in September
Temperature
As Kirby Knowle, United Kingdom, transitions from August to September, the average high-temperatures adjust to a still refreshing 16.5°C (61.7°F), nearly the same as the previous 18.8°C (65.8°F). An average minimum temperature of 9.2°C (48.6°F) is recorded during the month of September.Humidity
In Kirby Knowle, the average relative humidity in September is 83%.Rainfall
In Kirby Knowle, in September, during 7.5 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In Kirby Knowle, United Kingdom, during the entire year, the rain falls for 111.5 days and collects up to 170mm (6.69") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Kirby Knowle, United Kingdom, is 12h and 42min.On the first day of September, sunrise is at 6:13 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:43 pm BST.
Sunshine
In Kirby Knowle, the average sunshine in September is 7.6h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kirby Knowle in September?
What is the average humidity in September in Kirby Knowle?
How much does it rain in Kirby Knowle in September?
When it does not snow in Kirby Knowle?
How many hours of daylight does Kirby Knowle have in September?
What time are sunrise and sunset in September in Kirby Knowle?
How many hours of sunshine does Kirby Knowle have in September?
When is the highest UV index in Kirby Knowle?
What is the UV index intensity in September in Kirby Knowle?
Average temperature in September
Kirby Knowle, United Kingdom
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in September
Kirby Knowle, 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 (1008.5mbar).
Average wind speed in September
Kirby Knowle, United Kingdom
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).
Average humidity in September
Kirby Knowle, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are November and December (89%).
The months with the lowest relative humidity are April, May and August (81%).
Average rainfall in September
Kirby Knowle, United Kingdom
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is June (25mm).
The driest month (with the least rainfall) is April (6mm).
Average rainfall days in September
Kirby Knowle, United Kingdom
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Kirby Knowle, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Kirby Knowle, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.8 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
Kirby Knowle, United Kingdom
- Average daylight in September: 12h and 4min
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: 7h and 4min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).
Average sunshine days in September
Kirby Knowle, United Kingdom
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in September
Kirby Knowle, 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, March, November and December (UV index 2).
Average cloud cover in September
Kirby Knowle, United Kingdom
- Average cloud cover in September: 49
The month with the most cloud cover is November (Cloud cover 58).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in September
Kirby Knowle, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, August, October and December (9km).
The months with the lowest visibility are June, July, September and November (8km).
