September weather forecast
Whitstable, 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.

Frequently asked questions

What are September temperatures in Whitstable?
The average high-temperature and low-temperature during September are 17.7°C (63.9°F) and 14.4°C (57.9°F) respectively.
What are the least humid months in Whitstable?
August and September, with an average relative humidity of 78%, are the least humid months.
What is the average humidity in September in Whitstable?
The average relative humidity in September in Whitstable is 78%.
How much does it rain in Whitstable in September?
In Whitstable, United Kingdom, during September, the rain falls for 14 days and regularly aggregates up to 37mm (1.46") of precipitation.
When it does not snow in Whitstable?
In Whitstable, snow does not fall in April through October.
What month is the sea warmest in Whitstable?
With an average sea temperature of 17.8°C (64°F), September is the month with the warmest seawater.
What is the sea temperature in September in Whitstable?
In Whitstable, in September, the average water temperature is 17.8°C (64°F). For swimming, a surface water temperature of 17.8°C (64°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
How many hours of daylight does Whitstable have in September?
In September, the average day length in Whitstable is 12h and 38min.
What time are sunrise and sunset in September in Whitstable?
On the first day of September in Whitstable, 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.
How long on average sun shines in September in Whitstable?
In September, the average sunshine duration is 8.3h.
How high is the UV index in September in Whitstable?
In Whitstable, United Kingdom, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Whitstable, United Kingdom
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
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
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
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
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
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
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
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
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 /
Average sunshine in September
Whitstable, United Kingdom
  • Average daylight in September: 12h and 4min

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 2min

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
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
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
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
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).

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