September weather forecastCarncastle, United Kingdom

September weather for Carncastle, United Kingdom: The months with the least rainfall in Carncastle are April, May and September Rain falls for 16.9 days and accumulates 39mm (1.54") of rain. In Carncastle, United Kingdom, during September, the rain falls for 16.9 days and regularly aggregates up to 39mm (1.54") of precipitation.

September

Weather in September

September, the first month of the autumn in Carncastle, is also a moderate month, with an average temperature fluctuating between 11.1°C (52°F) and 14.7°C (58.5°F).

Temperature

Carncastle marks the arrival of September with an average high-temperature of a still moderate 14.7°C (58.5°F), hardly different from August's 15.9°C (60.6°F). Carncastle observes an average low-temperature of 11.1°C (52°F) during the slightly cooler nights of September.

Humidity

In Carncastle, the average relative humidity in September is 85%.

Rainfall

April, May and September are months with the least rain when the rain falls for 16.9 days and typically aggregates up to 39mm (1.54") of rain.

Snowfall

April through October are months without snowfall.

Daylight

In Carncastle, United Kingdom, the average length of the day in September is 12h and 43min.
On the first day of the month, sunrise is at 6:31 am and sunset at 8:15 pm. On the last day of September, in Carncastle, sunrise is at 7:25 am and sunset at 7:01 pm BST.

Sunshine

In Carncastle, the average sunshine in September is 6.2h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the UV index of 4 transforms into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

The average high-temperature, in September, in Carncastle, is 14.7°C (58.5°F), while the average low-temperature is 11.1°C (52°F).

The average relative humidity in September in Carncastle is 85%.

The months with the least rainfall in Carncastle are April, May and September Rain falls for 16.9 days and accumulates 39mm (1.54") of rain.

In Carncastle, United Kingdom, during September, the rain falls for 16.9 days and regularly aggregates up to 39mm (1.54") of precipitation.

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

The average day length in September in Carncastle is 12h and 43min.

On the first day of September, sunrise is at 6:31 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:01 pm BST.

In September, the average sunshine duration is 6.2h.

June through September, with an average maximum UV index of 4, are months with the highest UV index in Carncastle, United Kingdom.

In September, the average daily maximum UV index in Carncastle, United Kingdom, is 4. A UV Index reading of 3 to 5 represents 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
Carncastle, United Kingdom

  • Average high temperature in September: 14.7°C

The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in September: 11.1°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).

Average pressure in September
Carncastle, United Kingdom

  • Average pressure in September: 1014mbar

The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007.1mbar).

Average wind speed in September
Carncastle, United Kingdom

  • Average wind speed in September: 21km/h

The windiest month (with the highest average wind speed) is December (26.6km/h).
The calmest month (with the lowest average wind speed) is June (16.1km/h).

Average humidity in September
Carncastle, United Kingdom

  • Average humidity in September: 85%

The months with the highest relative humidity are July and August (86%).
The months with the lowest relative humidity are April and May (82%).

Average rainfall in September
Carncastle, United Kingdom

  • Average rainfall in September: 39mm

The wettest month (with the highest rainfall) is August (75mm).
The driest months (with the least rainfall) are April, May and September (39mm).

Average rainfall days in September
Carncastle, United Kingdom

  • Average rainfall days in September: 16.9 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is April (16.3 days).

Average snowfall in September
Carncastle, United Kingdom

  • Average snowfall in September: 0mm

The months with the highest snowfall are February and March (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Carncastle, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2 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
Carncastle, United Kingdom

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).

  • Average sunshine in September: 6h and 12min

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

Average sunshine days in September
Carncastle, United Kingdom

  • Average sunshine days in September: 8.4 days

The month with the most sunshine days is April (10.9 days).
The month with the least sunshine days is August (5.7 days).

Average UV index in September
Carncastle, United Kingdom

  • Average UV index in September: 4

The months with the highest UV index are June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Carncastle, United Kingdom

  • Average cloud cover in September: 56

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 53).

Average visibility in September
Carncastle, United Kingdom

  • Average visibility in September: 10km

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