September weather forecastBlitterlees, United Kingdom
September weather for Blitterlees, United Kingdom: The first month of the autumn, September, is still a refreshing month in Blitterlees, United Kingdom, with an average temperature fluctuating between 14.8°C (58.6°F) and 9.3°C (48.7°F). In Blitterlees, United Kingdom, in September, it is raining for 17.4 days, with typically 51mm (2.01") of accumulated precipitation.
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Blitterlees, United Kingdom, with an average temperature fluctuating between 14.8°C (58.6°F) and 9.3°C (48.7°F).Temperature
With the advent of September, Blitterlees's high-temperatures adjust to a mild 14.8°C (58.6°F), closely aligning with the preceding month. September's average low-temperature reading in Blitterlees settles at a chilly 9.3°C (48.7°F).Humidity
In September, the average relative humidity in Blitterlees is 87%.Rainfall
In Blitterlees, during September, the rain falls for 17.4 days and regularly aggregates up to 51mm (2.01") of precipitation. In Blitterlees, during the entire year, the rain falls for 218.8 days and collects up to 652mm (25.67") of precipitation.Snowfall
In Blitterlees, snow does not fall in May through October.Daylight
In Blitterlees, the average length of the day in September is 12h and 43min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:05 pm. On the last day of September, in Blitterlees, sunrise is at 7:15 am and sunset at 6:51 pm BST.
Sunshine
In September, the average sunshine is 6.2h.UV index
The average daily maximum UV index in September is 3. 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 UV index of 3 during September translates into the following guidance:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blitterlees, United Kingdom
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (11°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in September
Blitterlees, United Kingdom
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1007.8mbar).
Average wind speed in September
Blitterlees, United Kingdom
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is June (13.1km/h).
Average humidity in September
Blitterlees, United Kingdom
- Average humidity in September: 87%
The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is April (82%).
Average rainfall in September
Blitterlees, United Kingdom
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (70mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Blitterlees, United Kingdom
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is August (22.2 days).
The month with the least rainy days is April (14.5 days).
Average snowfall in September
Blitterlees, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Blitterlees, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Blitterlees, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 6h and 12min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Blitterlees, United Kingdom
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is April (12.1 days).
The month with the least sunshine days is August (6 days).
Average UV index in September
Blitterlees, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (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
Blitterlees, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 50).
Average visibility in September
Blitterlees, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).





