September weather forecastMousehole, United Kingdom

September

Weather in September

September, the first month of the autumn in Mousehole, is still a comfortable month, with an average temperature ranging between max 16.3°C (61.3°F) and min 14.9°C (58.8°F).

Temperature

The transition from August to September brings an average high-temperature of a still enjoyable 16.3°C (61.3°F), barely different from August's 17.4°C (63.3°F). The nighttime temperature demonstrates a marginal decline, averaging at a moderate 14.9°C (58.8°F) during September.

Humidity

The average relative humidity in September in Mousehole is 82%.

Rainfall

In Mousehole, in September, during 9.8 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Mousehole, United Kingdom, during the entire year, the rain falls for 145.1 days and collects up to 224mm (8.82") of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

The average length of the day in September is 12h and 37min.
On the first day of the month, sunrise is at 6:37 am and sunset at 8:06 pm. On the last day of September, in Mousehole, sunrise is at 7:21 am and sunset at 7:02 pm BST.

Sunshine

In September, the average sunshine in Mousehole is 7.4h.

UV index

The average daily maximum UV index in September in Mousehole is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 4 during September translates into the following guidance:
Act with care - The need to guard against sun damage is communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

In Mousehole, 16.3°C (61.3°F) is the average high-temperature and 14.9°C (58.8°F) is the average low-temperature during September.

In September, the average relative humidity is 82%.

In Mousehole, United Kingdom, in September, during 9.8 rainfall days, 13mm (0.51") of precipitation is typically accumulated.

February through December are months without snowfall.

In September, the average day length in Mousehole is 12h and 37min.

On the first day of September in Mousehole, sunrise is at 6:37 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:02 pm BST.

In September, the average sunshine duration is 7.4h.

In Mousehole, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mousehole, United Kingdom

  • Average high temperature in September: 16.3°C

The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (9.4°C).

  • Average low temperature in September: 14.9°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).

Average pressure in September
Mousehole, United Kingdom

  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).

Average wind speed in September
Mousehole, United Kingdom

  • Average wind speed in September: 25.4km/h

The windiest month (with the highest average wind speed) is December (34.4km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).

Average humidity in September
Mousehole, United Kingdom

  • Average humidity in September: 82%

The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January, February, November and December (79%).

Average rainfall in September
Mousehole, United Kingdom

  • Average rainfall in September: 13mm

The wettest month (with the highest rainfall) is November (36mm).
The driest month (with the least rainfall) is May (10mm).

Average rainfall days in September
Mousehole, United Kingdom

  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is November (16.3 days).
The month with the least rainy days is June (9.2 days).

Average snowfall in September
Mousehole, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Mousehole, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Mousehole, United Kingdom

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 7h and 24min

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

Average sunshine days in September
Mousehole, United Kingdom

  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is May (19.2 days).
The month with the least sunshine days is November (9.7 days).

Average UV index in September
Mousehole, United Kingdom

  • Average UV index in September: 4

The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

Average cloud cover in September
Mousehole, United Kingdom

  • Average cloud cover in September: 48

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 42).

Average visibility in September
Mousehole, 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).