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 an average high-temperature of a still comfortable 17.7°C (63.9°F), a near match to August's 19.9°C (67.8°F). Clacton-on-Sea's average nighttime temperature in September modestly descends to a mild 13.9°C (57°F).Humidity
August and September, with an average relative humidity of 77%, are the least humid months in Clacton-on-Sea.Rainfall
In Clacton-on-Sea, in September, it is raining for 11.2 days, with typically 23mm (0.91") of accumulated precipitation. In Clacton-on-Sea, United Kingdom, during the entire year, the rain falls for 163.3 days and collects up to 330mm (12.99") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Clacton-on-Sea, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:41 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:34 pm BST.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Clacton-on-Sea is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are September temperatures in Clacton-on-Sea?
What is the least humid month in Clacton-on-Sea?
What is the average humidity in September in Clacton-on-Sea?
How many days does it rain in September in Clacton-on-Sea?
When it does not snow in Clacton-on-Sea?
What is the average length of the day in September in Clacton-on-Sea?
What time are sunrise and sunset in September in Clacton-on-Sea?
How many hours of sunshine does Clacton-on-Sea have in September?
What is the UV index intensity in September in Clacton-on-Sea?
Average temperature in September
Clacton-on-Sea, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (19.9°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is August (15.7°C).
The coldest months (with the lowest average low temperature) are January and February (4.3°C).
Average pressure in September
Clacton-on-Sea, United Kingdom
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in September
Clacton-on-Sea, United Kingdom
- Average wind speed in September: 19.7km/h
The windiest month (with the highest average wind speed) is December (26.9km/h).
The calmest month (with the lowest average wind speed) is July (17.3km/h).
Average humidity in September
Clacton-on-Sea, United Kingdom
- Average humidity in September: 77%
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in September
Clacton-on-Sea, United Kingdom
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is October (42mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Clacton-on-Sea, United Kingdom
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is November (15.9 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in September
Clacton-on-Sea, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Clacton-on-Sea, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 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
Clacton-on-Sea, 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: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Clacton-on-Sea, United Kingdom
- Average sunshine days in September: 15 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is November (9.7 days).
Average UV index in September
Clacton-on-Sea, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Clacton-on-Sea, United Kingdom
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Clacton-on-Sea, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Clacton-on-Sea, United Kingdom
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