September weather forecastStackpole, United Kingdom
September
Weather in September
September, the first month of the autumn in Stackpole, is still a comfortable month, with an average temperature fluctuating between 13.7°C (56.7°F) and 16.2°C (61.2°F).Temperature
The transition into September reveals an average high-temperature of a still enjoyable 16.2°C (61.2°F), mirroring a close resemblance to August. Stackpole indicates a consistently low-temperature of 13.7°C (56.7°F) during the nights of September.Humidity
In September, the average relative humidity is 82%.Rainfall
In Stackpole, United Kingdom, during September, the rain falls for 17.3 days and regularly aggregates up to 55mm (2.17") of precipitation. In Stackpole, during the entire year, the rain falls for 220.1 days and collects up to 757mm (29.8") of precipitation.Snowfall
In Stackpole, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:33 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:19 am and sunset at 6:59 pm BST.
Sunshine
The average sunshine in September in Stackpole, United Kingdom, is 7.3h.UV index
The months with the highest UV index in Stackpole are May through October, 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 the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stackpole, United Kingdom
- Average high temperature in September: 16.2°C
The warmest month (with the highest average high temperature) is August (17.3°C).
The month with the lowest average high temperature is February (8.4°C).
- Average low temperature in September: 13.7°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in September
Stackpole, United Kingdom
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in September
Stackpole, United Kingdom
- Average wind speed in September: 23.3km/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 June (18.9km/h).
Average humidity in September
Stackpole, United Kingdom
- Average humidity in September: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (80%).
Average rainfall in September
Stackpole, United Kingdom
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is November (102mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in September
Stackpole, United Kingdom
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is November (23.2 days).
The month with the least rainy days is May (14.9 days).
Average snowfall in September
Stackpole, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Stackpole, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Stackpole, 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 18min
The month with the most sunshine is May (Average sunshine: 8h and 36min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Stackpole, United Kingdom
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is November (4.4 days).
Average UV index in September
Stackpole, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August, September and October (UV index 4).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Stackpole, United Kingdom
- Average cloud cover in September: 49
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in September
Stackpole, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, November and December (9km).





