September weather forecastWhitstable, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Whitstable, United Kingdom, with temperature in the range of an average high of 17.7°C (63.9°F) and an average low of 14.4°C (57.9°F).Temperature
The advent of September sees the average high-temperature at a still comfortable 17.7°C (63.9°F), subtly shifted from August's 19.8°C (67.6°F). Whitstable indicates a consistently low-temperature of 14.4°C (57.9°F) during the nights of September.Humidity
August and September, with an average relative humidity of 78%, are the least humid months in Whitstable, United Kingdom.Rainfall
In Whitstable, in September, during 14 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Whitstable, during the entire year, the rain falls for 191.2 days and collects up to 552mm (21.73") of precipitation.Snowfall
In Whitstable, snow does not fall in April through October.Sea temperature
With an average sea temperature of 17.8°C (64°F), September is the month with the warmest seawater in Whitstable, United Kingdom.Note: The majority find it unenjoyable to swim in 17.8°C (64°F). Breathing becomes tougher as the water temperature descends under 21°C (69.8°F).
Daylight
In Whitstable, the average length of the day in September is 12h and 38min.On the first day of September, 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
In Whitstable, the average sunshine in September is 8.3h.UV index
In Whitstable, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Whitstable, 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
Whitstable, 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
Whitstable, 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
Whitstable, 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
Whitstable, 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
Whitstable, 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
Whitstable, 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
Whitstable, 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 sea temperature in September
Whitstable, United Kingdom
- Average sea temperature in September: 17.8°C
The best month for swimming (with the highest average sea temperature) is September (17.8°C).
The coldest month (with the lowest average sea temperature) is March (7.5°C).
Average daylight in September /
Average sunshine in September
Whitstable, 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
Whitstable, 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
Whitstable, 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
Whitstable, 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
Whitstable, 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).
