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
With the transition into September, Silsden notes an average high-temperature of a still refreshing 14.9°C (58.8°F), closely resembling August. In Silsden, the average temperature during the nights of September drops to a frosty 8°C (46.4°F).Humidity
The average relative humidity in September is 89%.Rainfall
In Silsden, in September, it is raining for 9.3 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, in Silsden, there are 128.3 rainfall days, and 289mm (11.38") of precipitation is accumulated.Snowfall
June through October are months without snowfall in Silsden.Daylight
In September, the average length of the day is 12h and 41min.On the first day of September, sunrise is at 6:17 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:46 pm BST.
Sunshine
In September, the average sunshine in Silsden is 5.4h.UV index
In Silsden, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Silsden?
What is the average humidity in September in Silsden?
How many days does it rain in September in Silsden?
When it does not snow in Silsden?
What is the average length of the day in September in Silsden?
What time are sunrise and sunset in September in Silsden?
How many hours of sunshine does Silsden have in September?
What is the UV index reading in September in Silsden?
Average temperature in September
Silsden, United Kingdom
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in September: 8°C
The months with the highest average low temperature are July and August (9.8°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Silsden, United Kingdom
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in September
Silsden, United Kingdom
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is February (19.1km/h).
The calmest months (with the lowest average wind speed) are June and July (13.2km/h).
Average humidity in September
Silsden, United Kingdom
- Average humidity in September: 89%
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in September
Silsden, United Kingdom
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is August (33mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Silsden, United Kingdom
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in September
Silsden, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Silsden, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Silsden, 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: 5h and 2min
The month with the most sunshine is April (Average sunshine: 6h and 12min).
The months with the least sunshine are January, February and November (Average sunshine: 3h and 0min).
Average sunshine days in September
Silsden, United Kingdom
- Average sunshine days in September: 18 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is July (14 days).
Average UV index in September
Silsden, 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, October, November and December (UV index 2).
Average cloud cover in September
Silsden, United Kingdom
- Average cloud cover in September: 65
The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 59).
Average visibility in September
Silsden, United Kingdom
- Average visibility in September: 8km
The month with the highest visibility is March (9km).
The months with the lowest visibility are January, February, April, May, June, July, August, September, October, November and December (8km).
