September weather forecastLamarsh, United Kingdom

September

Weather in September

September, the first month of the autumn in Lamarsh, is also an enjoyable month, with an average temperature varying between 12.5°C (54.5°F) and 18.5°C (65.3°F).

Temperature

As Lamarsh welcomes September, the average high-temperature records at a refreshing 18.5°C (65.3°F), marking an insignificant deviation from the prior month. Throughout September, Lamarsh anticipates an average low-temperature of 12.5°C (54.5°F).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Lamarsh, in September, during 12.9 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Lamarsh, during the entire year, the rain falls for 182 days and collects up to 445mm (17.52") of precipitation.

Snowfall

In Lamarsh, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 39min.
On the first day of the month, sunrise is at 6:09 am and sunset at 7:43 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:36 pm BST.

Sunshine

In Lamarsh, United Kingdom, the average sunshine in September is 7.7h.

UV index

In September, the average daily maximum UV index in Lamarsh, United Kingdom, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

In Lamarsh, 18.5°C (65.3°F) is the average high-temperature and 12.5°C (54.5°F) is the average low-temperature during September.

The average relative humidity in September is 77%.

In Lamarsh, during September, the rain falls for 12.9 days and regularly aggregates up to 31mm (1.22") of precipitation.

April through October are months without snowfall.

In Lamarsh, United Kingdom, the average day length in September is 12h and 39min.

On the first day of September, sunrise is at 6:09 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:36 pm BST.

The average sunshine duration in September in Lamarsh, United Kingdom, is 7.7h.

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

Average temperature in September
Lamarsh, United Kingdom

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (21.2°C).
The month with the lowest average high temperature is January (6.4°C).

  • Average low temperature in September: 12.5°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).

Average pressure in September
Lamarsh, 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 (1010.5mbar).

Average wind speed in September
Lamarsh, United Kingdom

  • Average wind speed in September: 15.3km/h

The windiest month (with the highest average wind speed) is December (21km/h).
The calmest month (with the lowest average wind speed) is July (14.1km/h).

Average humidity in September
Lamarsh, United Kingdom

  • Average humidity in September: 77%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Lamarsh, United Kingdom

  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in September
Lamarsh, United Kingdom

  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (11.8 days).

Average snowfall in September
Lamarsh, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Lamarsh, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.7 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
Lamarsh, 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 48min).

  • Average sunshine in September: 7h and 42min

The month with the most sunshine is August (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in September
Lamarsh, United Kingdom

  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is July (7.9 days).

Average UV index in September
Lamarsh, United Kingdom

  • Average UV index in September: 4

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

Average cloud cover in September
Lamarsh, United Kingdom

  • Average cloud cover in September: 44

The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 44).

Average visibility in September
Lamarsh, United Kingdom

  • Average visibility in September: 9km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).