September weather forecastLydden, United Kingdom

September

Weather in September

September, the first month of the autumn in Lydden, is also an enjoyable month, with an average temperature ranging between min 14.9°C (58.8°F) and max 17.5°C (63.5°F).

Temperature

Lydden's transition from August to September introduces an average high-temperature of a still enjoyable 17.5°C (63.5°F), marking an insignificant variation from the 19.3°C (66.7°F). In September, Lydden's nights cool slightly to a consistent average temperature of 14.9°C (58.8°F).

Humidity

The least humid month in Lydden is September, with an average relative humidity of 77%.

Rainfall

In Lydden, in September, during 12.4 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Lydden, during the entire year, the rain falls for 175 days and collects up to 431mm (16.97") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 6:09 am and sunset at 7:40 pm. On the last day of September, in Lydden, sunrise is at 6:54 am and sunset at 6:34 pm BST.

Sunshine

In Lydden, the average sunshine in September is 8.4h.

UV index

The months with the highest UV index in Lydden, United Kingdom, are July through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 5 during September translates into the following guidance:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

In September, the average high-temperature and low-temperature are 17.5°C (63.5°F) and 14.9°C (58.8°F) respectively.

With an average relative humidity of 77%, September is the least humid month.

In Lydden, the average relative humidity in September is 77%.

In September, in Lydden, United Kingdom, the rain falls for 12.4 days. Throughout September, 30mm (1.18") of precipitation is accumulated.

April through October are months without snowfall in Lydden.

In September, the average day length in Lydden is 12h and 38min.

On the first day of September in Lydden, sunrise is at 6:09 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:34 pm BST.

The average sunshine duration in September in Lydden, United Kingdom, is 8.4h.

The months with the highest UV index in Lydden are July through September, with an average maximum UV index of 5.

In September, the average daily maximum UV index in Lydden is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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
Lydden, United Kingdom

  • Average high temperature in September: 17.5°C

The warmest month (with the highest average high temperature) is August (19.3°C).
The month with the lowest average high temperature is February (7.3°C).

  • Average low temperature in September: 14.9°C

The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (5°C).

Average pressure in September
Lydden, United Kingdom

  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011mbar).

Average wind speed in September
Lydden, United Kingdom

  • Average wind speed in September: 23km/h

The windiest month (with the highest average wind speed) is December (30.8km/h).
The calmest month (with the lowest average wind speed) is July (19.6km/h).

Average humidity in September
Lydden, United Kingdom

  • Average humidity in September: 77%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is September (77%).

Average rainfall in September
Lydden, United Kingdom

  • Average rainfall in September: 30mm

The wettest months (with the highest rainfall) are October and November (52mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September
Lydden, United Kingdom

  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is November (18.8 days).
The month with the least rainy days is April (12 days).

Average snowfall in September
Lydden, United Kingdom

  • Average snowfall in September: 0mm

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

Average snowfall days in September
Lydden, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.5 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
Lydden, 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: 8h and 24min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in September
Lydden, United Kingdom

  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is May (16.4 days).
The month with the least sunshine days is November (8.6 days).

Average UV index in September
Lydden, United Kingdom

  • Average UV index in September: 5

The months with the highest UV index are July, August and September (UV index 5).
The months with the lowest UV index are January and February (UV index 2).

Average cloud cover in September
Lydden, United Kingdom

  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Lydden, United Kingdom

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).