September weather forecast
Chewton Mendip, United Kingdom

September

Weather in September

September, the first month of the autumn in Chewton Mendip, is also an enjoyable month, with an average temperature fluctuating between 10.4°C (50.7°F) and 17.7°C (63.9°F).

Temperature

Chewton Mendip notes an average high-temperature of a still enjoyable 17.7°C (63.9°F) in September, displaying minor variation from August. In the month of September, Chewton Mendip records a consistent average low-temperature of 10.4°C (50.7°F).

Humidity

In September, the average relative humidity is 84%.

Rainfall

The months with the least rainfall in Chewton Mendip, United Kingdom, are April and September Rain falls for 12.5 days and accumulates 30mm (1.18") of rain.

Snowfall

In Chewton Mendip, snow does not fall in April through October.

Daylight

The average length of the day in September in Chewton Mendip is 12h and 38min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:50 pm BST.

Sunshine

In Chewton Mendip, the average sunshine in September is 7h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What are the temperatures in Chewton Mendip in September?
The high-temperature, in September, in Chewton Mendip, is 17.7°C (63.9°F), while the low-temperature averages to 10.4°C (50.7°F).
What is the average humidity in September in Chewton Mendip?
The average relative humidity in September in Chewton Mendip, United Kingdom, is 84%.
What is the driest month in Chewton Mendip?
April and September are months with the least rain when the rain falls for 12.5 days and typically aggregates up to 30mm (1.18") of rain.
How many days does it rain in September in Chewton Mendip?
In Chewton Mendip, United Kingdom, in September, it is raining for 12.5 days, with typically 30mm (1.18") of accumulated precipitation.
When it does not snow in Chewton Mendip?
April through October are months without snowfall in Chewton Mendip.
How many hours of daylight does Chewton Mendip have in September?
In September, the average day length in Chewton Mendip is 12h and 38min.
When is the sunrise / sunset in September in Chewton Mendip?
In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:50 pm BST.
How long on average sun shines in September in Chewton Mendip?
The average sunshine duration in September in Chewton Mendip, United Kingdom, is 7h.
What are the months with the highest UV index in Chewton Mendip?
The months with the highest UV index in Chewton Mendip, United Kingdom, are May through September, with an average maximum UV index of 4.
How high is the UV index in September in Chewton Mendip?
In September, the average daily maximum UV index in Chewton Mendip is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Chewton Mendip, United Kingdom
Average temperature in September
Chewton Mendip, United Kingdom
  • Average high temperature in September: 17.7°C

The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (7.2°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).

Average pressure in September - Chewton Mendip, United Kingdom
Average pressure in September
Chewton Mendip, United Kingdom
  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).

Average wind speed in September - Chewton Mendip, United Kingdom
Average wind speed in September
Chewton Mendip, United Kingdom
  • Average wind speed in September: 13.4km/h

The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).

Average humidity in September - Chewton Mendip, United Kingdom
Average humidity in September
Chewton Mendip, United Kingdom
  • Average humidity in September: 84%

The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (82%).

Average rainfall in September - Chewton Mendip, United Kingdom
Average rainfall in September
Chewton Mendip, United Kingdom
  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is December (67mm).
The driest months (with the least rainfall) are April and September (30mm).

Average rainfall days in September - Chewton Mendip, United Kingdom
Average rainfall days in September
Chewton Mendip, United Kingdom
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is February (12.4 days).

Average snowfall in September - Chewton Mendip, United Kingdom
Average snowfall in September
Chewton Mendip, United Kingdom
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September - Chewton Mendip, United Kingdom
Average snowfall days in September
Chewton Mendip, United Kingdom
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (2.7 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 - Chewton Mendip, United Kingdom
Average daylight in September /
Average sunshine in September
Chewton Mendip, 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: 7h and 0min

The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).

Average sunshine days in September - Chewton Mendip, United Kingdom
Average sunshine days in September
Chewton Mendip, United Kingdom
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is November (10.4 days).

Average UV index in September - Chewton Mendip, United Kingdom
Average UV index in September
Chewton Mendip, United Kingdom
  • Average UV index in September: 4

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September - Chewton Mendip, United Kingdom
Average cloud cover in September
Chewton Mendip, United Kingdom
  • Average cloud cover in September: 53

The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 50).

Average visibility in September - Chewton Mendip, United Kingdom
Average visibility in September
Chewton Mendip, United Kingdom
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, June and December (9km).
The months with the lowest visibility are July, August, September, October and November (8km).

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