September weather forecastLongwick, United Kingdom

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Longwick, United Kingdom, with an average temperature fluctuating between 18.2°C (64.8°F) and 10.4°C (50.7°F).

Temperature

Longwick marks the arrival of September with an average high-temperature of a comfortable 18.2°C (64.8°F), hardly different from August's 20.8°C (69.4°F). Longwick witnesses a consistent average low-temperature of 10.4°C (50.7°F) throughout September.

Humidity

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

Rainfall

September is the month with the least rainfall in Longwick. Rain falls for 10.3 days and accumulates 15mm (0.59") of precipitation.

Snowfall

April through October are months without snowfall in Longwick.

Daylight

In Longwick, the average length of the day in September is 12h and 38min.
On the first day of September, sunrise is at 6:16 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:42 pm BST.

Sunshine

The average sunshine in September in Longwick is 7.2h.

UV index

The average daily maximum UV index in September in Longwick is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Guard yourself - Avoiding sunburn is suggested. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

The high-temperature, in September, in Longwick, records 18.2°C (64.8°F), while the low-temperature is 10.4°C (50.7°F).

The average relative humidity in September is 80%.

The month with the least rainfall in Longwick, United Kingdom, is September, when the rain falls for 10.3 days and typically collects 15mm (0.59") of precipitation.

In Longwick, United Kingdom, in September, during 10.3 rainfall days, 15mm (0.59") of precipitation is typically accumulated.

April through October are months without snowfall in Longwick, United Kingdom.

In Longwick, United Kingdom, the average day length in September is 12h and 38min.

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:49 pm. On the last day of the month, in Longwick, sunrise is at 7:03 am and sunset at 6:42 pm BST.

The average sunshine duration in September in Longwick is 7.2h.

In Longwick, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Longwick, United Kingdom

  • Average high temperature in September: 18.2°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 (6.4°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).

Average pressure in September
Longwick, United Kingdom

  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).

Average wind speed in September
Longwick, United Kingdom

  • Average wind speed in September: 13km/h

The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).

Average humidity in September
Longwick, United Kingdom

  • Average humidity in September: 80%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (78%).

Average rainfall in September
Longwick, United Kingdom

  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (15mm).

Average rainfall days in September
Longwick, United Kingdom

  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (9.4 days).

Average snowfall in September
Longwick, United Kingdom

  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Longwick, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.8 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
Longwick, United Kingdom

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in September: 7h and 12min

The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in September
Longwick, United Kingdom

  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is July (9.7 days).

Average UV index in September
Longwick, 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
Longwick, United Kingdom

  • Average cloud cover in September: 49

The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).

Average visibility in September
Longwick, 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).