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
Weather in September
Temperature
September's onset records a minor alteration in the average high-temperature to a still refreshing 17.2°C (63°F) from August's 19.5°C (67.1°F). In Old Clee, an average nighttime temperature of 12.1°C (53.8°F) is expected during September.Humidity
In Old Clee, the average relative humidity in September is 79%.Rainfall
In Old Clee, in September, during 9.8 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Old Clee, United Kingdom, during the entire year, the rain falls for 153.7 days and collects up to 377mm (14.84") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Old Clee, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:38 pm BST.
Sunshine
In Old Clee, United Kingdom, the average sunshine in September is 7h.UV index
In Old Clee, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the average September temperature in Old Clee?
What is the average humidity in September in Old Clee?
How many days does it rain in September in Old Clee?
When it does not snow in Old Clee?
How many hours of daylight does Old Clee have in September?
When are sunrise and sunset in September in Old Clee?
How many hours of sunshine does Old Clee have in September?
What is the UV index intensity in September in Old Clee?
Average temperature in September
Old Clee, United Kingdom
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Old Clee, United Kingdom
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in September
Old Clee, United Kingdom
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is December (23.4km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in September
Old Clee, United Kingdom
- Average humidity in September: 79%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Old Clee, United Kingdom
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is October (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Old Clee, United Kingdom
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in September
Old Clee, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Old Clee, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Old Clee, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 42min).
Average sunshine days in September
Old Clee, United Kingdom
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Old Clee, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Old Clee, United Kingdom
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are April, August and September (Cloud cover 49).
Average visibility in September
Old Clee, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, August, September and October (10km).
The months with the lowest visibility are January, May, June, July, November and December (9km).
Old Clee, United Kingdom
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