September weather forecastFour Marks, United Kingdom

September

Weather in September

September, the first month of the autumn in Four Marks, is still a comfortable month, with an average temperature fluctuating between 10.7°C (51.3°F) and 18.5°C (65.3°F).

Temperature

The onset of September brings an average high-temperature of a comfortable 18.5°C (65.3°F), nearly matching the August temperature. During the month of September, Four Marks experiences a steady low-temperature average of 10.7°C (51.3°F).

Humidity

In Four Marks, the average relative humidity in September is 80%.

Rainfall

In Four Marks, during September, the rain falls for 11 days and regularly aggregates up to 28mm (1.1") of precipitation. In Four Marks, United Kingdom, during the entire year, the rain falls for 169.8 days and collects up to 474mm (18.66") 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, sunrise is at 6:18 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:43 pm BST.

Sunshine

In September, the average sunshine is 7.1h.

UV index

In Four Marks, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

The high-temperature during September is 18.5°C (65.3°F) and the low-temperature is 10.7°C (51.3°F).

In Four Marks, the average relative humidity in September is 80%.

In September, the rain falls for 11 days. Throughout September, 28mm (1.1") of precipitation is accumulated.

April through October are months without snowfall.

The average day length in September is 12h and 38min.

On the first day of September, sunrise is at 6:18 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:43 pm BST.

The average sunshine duration in September in Four Marks, United Kingdom, is 7.1h.

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Four Marks, United Kingdom

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in September: 10.7°C

The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is January (2°C).

Average pressure in September
Four Marks, 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 (1010.6mbar).

Average wind speed in September
Four Marks, United Kingdom

  • Average wind speed in September: 13.4km/h

The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).

Average humidity in September
Four Marks, United Kingdom

  • Average humidity in September: 80%

The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is July (78%).

Average rainfall in September
Four Marks, United Kingdom

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is April (24mm).

Average rainfall days in September
Four Marks, United Kingdom

  • Average rainfall days in September: 11 days

The months with the highest number of rainy days are July and November (16 days).
The month with the least rainy days is September (11 days).

Average snowfall in September
Four Marks, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Four Marks, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 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
Four Marks, 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: 7h and 6min

The month with the most sunshine is July (Average sunshine: 8h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in September
Four Marks, United Kingdom

  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is November (11.5 days).

Average UV index in September
Four Marks, United Kingdom

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Four Marks, United Kingdom

  • Average cloud cover in September: 49

The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are July and September (Cloud cover 49).

Average visibility in September
Four Marks, United Kingdom

  • Average visibility in September: 9km

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