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
The commencement of September notes an average high-temperature of a still enjoyable 17.4°C (63.3°F), exhibiting little difference from the previous month. In Kirby Underdale, September's nights observe an average temperature dip to a chilly 9.7°C (49.5°F).Humidity
The average relative humidity in September is 81%.Rainfall
In Kirby Underdale, in September, during 12.5 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Kirby Underdale, United Kingdom, there are 172.6 rainfall days, and 382mm (15.04") of precipitation is accumulated.Snowfall
In Kirby Underdale, snow does not fall in May through October.Daylight
In September, the average length of the day in Kirby Underdale is 12h and 41min.On the first day of September in Kirby Underdale, sunrise is at 6:12 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:41 pm BST.
Sunshine
In Kirby Underdale, United Kingdom, the average sunshine in September is 6.9h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Kirby Underdale, United Kingdom. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Preventing sun damage is advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce 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
What are the temperatures in Kirby Underdale in September?
What is the average humidity in September in Kirby Underdale?
How many days does it rain in September in Kirby Underdale?
When it does not snow in Kirby Underdale?
What is the average length of the day in September in Kirby Underdale?
When are sunrise and sunset in September in Kirby Underdale?
How many hours of sunshine does Kirby Underdale have in September?
What is the month with the highest UV index in Kirby Underdale?
What is the UV index reading in September in Kirby Underdale?
Average temperature in September
Kirby Underdale, United Kingdom
- Average high temperature in September: 17.4°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Kirby Underdale, United Kingdom
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Kirby Underdale, United Kingdom
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest month (with the lowest average wind speed) is June (11.8km/h).
Average humidity in September
Kirby Underdale, United Kingdom
- Average humidity in September: 81%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (79%).
Average rainfall in September
Kirby Underdale, United Kingdom
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Kirby Underdale, United Kingdom
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
Kirby Underdale, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Kirby Underdale, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 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
Kirby Underdale, 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 30min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 24min).
The months with the least sunshine are February and November (Average sunshine: 3h and 54min).
Average sunshine days in September
Kirby Underdale, United Kingdom
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is December (14.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Kirby Underdale, 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
Kirby Underdale, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Kirby Underdale, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, July and August (9km).
The months with the lowest visibility are January, June, September, October, November and December (8km).
