September weather forecastPorley, Spain
September
Weather in September
September, the first month of the autumn in Porley, is still a pleasant month, with an average temperature fluctuating between 20.9°C (69.6°F) and 11.8°C (53.2°F).Temperature
The ushering in of September brings an average high-temperature of a still pleasant 20.9°C (69.6°F), closely mirroring the 22.7°C (72.9°F) of August. Throughout September, Porley witnesses a nighttime temperature average of 11.8°C (53.2°F).Humidity
In Porley, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 28mm (1.1") of precipitation.Snowfall
In Porley, Spain, snow does not fall in April through November.Daylight
In Porley, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 07:50 and sunset at 21:00. On the last day of the month, sunrise is at 08:22 and sunset at 20:08 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Porley, Spain
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).
Average pressure in September
Porley, Spain
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Porley, Spain
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is February (11.8km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in September
Porley, Spain
- Average humidity in September: 78%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Porley, Spain
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (96mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Porley, Spain
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is April (20.1 days).
The month with the least rainy days is September (13.5 days).
Average snowfall in September
Porley, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Porley, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 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
Porley, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Porley, Spain
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is December (14.5 days).
The month with the least sunshine days is April (7 days).
Average UV index in September
Porley, Spain
- Average UV index in September: 4
The months with the highest UV index are May, July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Porley, Spain
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Porley, Spain
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, September, October, November and December (9km).
The months with the lowest visibility are May, June, July and August (8km).





