September weather forecastBlean, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Blean, United Kingdom, with temperature in the range of an average low of 14.4°C (57.9°F) and an average high of 17.7°C (63.9°F).Temperature
With the arrival of September, Blean's average high-temperature registers at a still comfortable 17.7°C (63.9°F), indicating a subtle variation from the previous month. September nights reflect a consistent temperature dip to a mild 14.4°C (57.9°F), a slight descent from daytime peaks.Humidity
August and September, with an average relative humidity of 78%, are the least humid months.Rainfall
In Blean, in September, during 14 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 191.2 rainfall days, and 552mm (21.73") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Blean, the average length of the day in September is 12h and 38min.On the first day of September in Blean, sunrise is at 6:09 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:35 pm BST.
Sunshine
The average sunshine in September is 8.3h.UV index
In Blean, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. When the Sun is at its strongest around midday, find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blean, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (19.8°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in September: 14.4°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (4.6°C).
Average pressure in September
Blean, United Kingdom
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Blean, United Kingdom
- Average wind speed in September: 20.6km/h
The windiest month (with the highest average wind speed) is December (27.1km/h).
The calmest month (with the lowest average wind speed) is July (17.7km/h).
Average humidity in September
Blean, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in September
Blean, United Kingdom
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (63mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Blean, United Kingdom
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is November (19.5 days).
The month with the least rainy days is April (13.4 days).
Average snowfall in September
Blean, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Blean, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Blean, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Blean, United Kingdom
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is April (13.8 days).
The month with the least sunshine days is November (7.1 days).
Average UV index in September
Blean, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Blean, United Kingdom
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Blean, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
