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 August turns into September, the average high-temperatures rest at a still comfortable 17.6°C (63.7°F), showing a minor variation from the prior month. In the month of September, Lower Slaughter records a consistent average low-temperature of 9.7°C (49.5°F).Humidity
The average relative humidity in September is 83%.Rainfall
In Lower Slaughter, in September, it is raining for 10.1 days, with typically 16mm (0.63") of accumulated precipitation. In Lower Slaughter, during the entire year, the rain falls for 147.8 days and collects up to 259mm (10.2") of precipitation.Snowfall
In Lower Slaughter, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 6:19 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:46 pm BST.
Sunshine
The average sunshine in September is 6.7h.UV index
The months with the highest UV index in Lower Slaughter are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the UV index of 4 transforms into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Lower Slaughter have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What are the months with the highest UV index?
How high is the UV index in September in Lower Slaughter?
Average temperature in September
Lower Slaughter, United Kingdom
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Lower Slaughter, United Kingdom
- Average pressure in September: 1016.6mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in September
Lower Slaughter, United Kingdom
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is February (18.4km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Lower Slaughter, United Kingdom
- Average humidity in September: 83%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall in September
Lower Slaughter, United Kingdom
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (29mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Lower Slaughter, United Kingdom
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is September (10.1 days).
Average snowfall in September
Lower Slaughter, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Lower Slaughter, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 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
Lower Slaughter, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 7h and 24min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in September
Lower Slaughter, United Kingdom
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Lower Slaughter, 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
Lower Slaughter, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 64).
The months with the least cloud cover are April and September (Cloud cover 53).
Average visibility in September
Lower Slaughter, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, May, October and December (9km).
The months with the lowest visibility are April, June, July, August, September and November (8km).
