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
Sliddery's shift into September sets the average high-temperature at a still mild 14.5°C (58.1°F), a figure that deviates only slightly from August's 15.5°C (59.9°F). An average nighttime temperature of 12.3°C (54.1°F) marks September in Sliddery.Humidity
The average relative humidity in September in Sliddery is 83%.Rainfall
In Sliddery, United Kingdom, in September, during 19.8 rainfall days, 71mm (2.8") of precipitation is typically accumulated. Throughout the year, in Sliddery, there are 239.5 rainfall days, and 896mm (35.28") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Daylight
The average length of the day in September in Sliddery, United Kingdom, is 12h and 44min.On the first day of September in Sliddery, sunrise is at 6:27 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 6:58 pm BST.
Sunshine
In September, the average sunshine is 6.2h.UV index
The months with the highest UV index in Sliddery are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Sliddery?
What is the average humidity in September in Sliddery?
How much does it rain in Sliddery in September?
When it does not snow in Sliddery?
What is the average length of the day in September in Sliddery?
What time are sunrise and sunset in September in Sliddery?
How many hours of sunshine does Sliddery have in September?
What is the month with the highest UV index in Sliddery?
What is the UV index reading in September in Sliddery?
Average temperature in September
Sliddery, United Kingdom
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is August (15.5°C).
The month with the lowest average high temperature is February (7.1°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in September
Sliddery, United Kingdom
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1006.9mbar).
Average wind speed in September
Sliddery, United Kingdom
- Average wind speed in September: 23.8km/h
The windiest month (with the highest average wind speed) is December (31.7km/h).
The calmest months (with the lowest average wind speed) are June and July (17.7km/h).
Average humidity in September
Sliddery, United Kingdom
- Average humidity in September: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (79%).
Average rainfall in September
Sliddery, United Kingdom
- Average rainfall in September: 71mm
The wettest month (with the highest rainfall) is August (102mm).
The driest month (with the least rainfall) is April (40mm).
Average rainfall days in September
Sliddery, United Kingdom
- Average rainfall days in September: 19.8 days
The month with the highest number of rainy days is December (23.4 days).
The month with the least rainy days is April (15.8 days).
Average snowfall in September
Sliddery, 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, October and November (0mm).
Average snowfall days in September
Sliddery, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Sliddery, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is June (Average sunshine: 8h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Sliddery, United Kingdom
- Average sunshine days in September: 8.2 days
The month with the most sunshine days is April (11.8 days).
The month with the least sunshine days is December (5.1 days).
Average UV index in September
Sliddery, 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
Sliddery, United Kingdom
- Average cloud cover in September: 57
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in September
Sliddery, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are April, May and June (10km).
The months with the lowest visibility are January, February, March, July, August, September, October, November and December (9km).
