September weather forecastPentrefoelas, United Kingdom
September
Weather in September
September, the first month of the autumn in Pentrefoelas, is still a mild month, with temperature in the range of an average high of 15.3°C (59.5°F) and an average low of 10°C (50°F).Temperature
The introduction of September notes a subtle temperature variation to a moderate 15.3°C (59.5°F) from August's 17.2°C (63°F). In the month of September, an average of 10°C (50°F) marks the low-temperature in Pentrefoelas.Humidity
The average relative humidity in September is 86%.Rainfall
In Pentrefoelas, during September, the rain falls for 14.7 days and regularly aggregates up to 25mm (0.98") of precipitation. In Pentrefoelas, United Kingdom, during the entire year, the rain falls for 176 days and collects up to 343mm (13.5") of precipitation.Snowfall
In Pentrefoelas, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:03 pm. On the last day of September, in Pentrefoelas, sunrise is at 7:15 am and sunset at 6:53 pm BST.
Sunshine
In Pentrefoelas, the average sunshine in September is 6.1h.UV index
In September, the average daily maximum UV index in Pentrefoelas is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pentrefoelas, United Kingdom
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (17.5°C).
The months with the lowest average high temperature are January and February (6.3°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (11.8°C).
The coldest months (with the lowest average low temperature) are January and February (2.5°C).
Average pressure in September
Pentrefoelas, United Kingdom
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in September
Pentrefoelas, United Kingdom
- Average wind speed in September: 14.8km/h
The windiest month (with the highest average wind speed) is December (19.5km/h).
The calmest month (with the lowest average wind speed) is June (12.4km/h).
Average humidity in September
Pentrefoelas, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in September
Pentrefoelas, United Kingdom
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Pentrefoelas, United Kingdom
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is November (17.6 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
Pentrefoelas, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Pentrefoelas, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pentrefoelas, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 6h and 6min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 12min).
Average sunshine days in September
Pentrefoelas, United Kingdom
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is April (13.1 days).
The month with the least sunshine days is November (7.9 days).
Average UV index in September
Pentrefoelas, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (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
Pentrefoelas, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is November (Cloud cover 68).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in September
Pentrefoelas, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





