September weather forecast
Corton Denham, United Kingdom

September

Weather in September

September, the first month of the autumn in Corton Denham, is also an enjoyable month, with an average temperature ranging between min 10°C (50°F) and max 17.7°C (63.9°F).

Temperature

September reports an average high-temperature of a still comfortable 17.7°C (63.9°F), slightly varied from August's 19.8°C (67.6°F). Nighttime temperature dips to a mean of 10°C (50°F) during September.

Humidity

In September, the average relative humidity is 85%.

Rainfall

The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 20mm (0.79") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 38min.
On the first day of September in Corton Denham, sunrise is at 6:24 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:49 pm BST.

Sunshine

In September, the average sunshine is 6.4h.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What is the average September temperature?
Corton Denham in September has an average high-temperature of 17.7°C (63.9°F) and an average low-temperature of 10°C (50°F).
What is the average humidity in September?
The average relative humidity in September is 85%.
What is the driest month?
September is the month with the least rainfall. Rain falls for 10.8 days and accumulates 20mm (0.79") of precipitation.
How much does it rain in Corton Denham in September?
In Corton Denham, during September, the rain falls for 10.8 days and regularly aggregates up to 20mm (0.79") of precipitation.
When it does not snow?
In Corton Denham, United Kingdom, snow does not fall in April through October.
What is the average length of the day in September?
In Corton Denham, the average day length in September is 12h and 38min.
When are sunrise and sunset in September?
On the first day of September, sunrise is at 6:24 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:49 pm BST.
How many hours of sunshine does Corton Denham have in September?
In Corton Denham, the average sunshine duration in September is 6.4h.
What is the month with the highest UV index?
May through September, with an average maximum UV index of 4, are months with the highest UV index.
How high is the UV index in September?
In Corton Denham, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to 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
Corton Denham, United Kingdom
  • Average high temperature in September: 17.7°C

The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (7.3°C).

  • Average low temperature in September: 10°C

The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).

Average pressure in September
Corton Denham, United Kingdom
  • Average pressure in September: 1017mbar

The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).

Average wind speed in September
Corton Denham, United Kingdom
  • Average wind speed in September: 12.8km/h

The windiest month (with the highest average wind speed) is February (17.1km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).

Average humidity in September
Corton Denham, United Kingdom
  • Average humidity in September: 85%

The months with the highest relative humidity are January, November and December (90%).
The month with the lowest relative humidity is July (82%).

Average rainfall in September
Corton Denham, United Kingdom
  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is December (50mm).
The driest month (with the least rainfall) is September (20mm).

Average rainfall days in September
Corton Denham, United Kingdom
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is November (16.6 days).
The month with the least rainy days is September (10.8 days).

Average snowfall in September
Corton Denham, United Kingdom
  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Corton Denham, United Kingdom
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.9 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
Corton Denham, 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: 6h and 2min

The month with the most sunshine is July (Average sunshine: 7h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 30min).

Average sunshine days in September
Corton Denham, United Kingdom
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is November (10.4 days).

Average UV index in September
Corton Denham, 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, March, November and December (UV index 2).

Average cloud cover in September
Corton Denham, United Kingdom
  • Average cloud cover in September: 57

The month with the most cloud cover is November (Cloud cover 66).
The months with the least cloud cover are April and May (Cloud cover 54).

Average visibility in September
Corton Denham, United Kingdom
  • Average visibility in September: 8km

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

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