September weather forecastBlencarn, United Kingdom
September weather for Blencarn, United Kingdom: The first month of the autumn, September, is still a mild month in Blencarn, United Kingdom, with an average temperature fluctuating between 13.7°C (56.7°F) and 7.2°C (45°F). In Blencarn, United Kingdom, during September, the rain falls for 16.3 days and regularly aggregates up to 39mm (1.54") of precipitation.
September
Weather in September
The first month of the autumn, September, is still a mild month in Blencarn, United Kingdom, with an average temperature fluctuating between 13.7°C (56.7°F) and 7.2°C (45°F).Temperature
The transition into September shows a subtle variation to a still mild 13.7°C (56.7°F) from August's 15.6°C (60.1°F) in the average high-temperature. Blencarn records a mean low-temperature of 7.2°C (45°F) in September.Humidity
The average relative humidity in September is 91%.Rainfall
In Blencarn, United Kingdom, during September, the rain falls for 16.3 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, in Blencarn, United Kingdom, there are 190.6 rainfall days, and 609mm (23.98") of precipitation is accumulated.Snowfall
July through September are months without snowfall.Daylight
The average length of the day in September in Blencarn is 12h and 43min.On the first day of September in Blencarn, sunrise is at 6:18 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:48 pm BST.
Sunshine
In September, the average sunshine is 4.9h.UV index
The average daily maximum UV index in September in Blencarn, United Kingdom, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against sun damage is advised. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blencarn, United Kingdom
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is August (9°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Blencarn, United Kingdom
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008mbar).
Average wind speed in September
Blencarn, United Kingdom
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Blencarn, United Kingdom
- Average humidity in September: 91%
The months with the highest relative humidity are January, November and December (93%).
The month with the lowest relative humidity is April (85%).
Average rainfall in September
Blencarn, United Kingdom
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Blencarn, United Kingdom
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in September
Blencarn, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (141mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Blencarn, United Kingdom
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Blencarn, 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 24min).
- Average sunshine in September: 4h and 54min
The month with the most sunshine is April (Average sunshine: 5h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Blencarn, United Kingdom
- Average sunshine days in September: 8.1 days
The month with the most sunshine days is April (10.9 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in September
Blencarn, United Kingdom
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Blencarn, United Kingdom
- Average cloud cover in September: 70
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is April (Cloud cover 61).
Average visibility in September
Blencarn, United Kingdom
- Average visibility in September: 7km
The months with the highest visibility are March, April, May, June and October (8km).
The months with the lowest visibility are January, February, July, August, September, November and December (7km).





