Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September begins with an average high-temperature of a pleasant 22.8°C (73°F), reflecting close similarity to the preceding month. Portonovo, in the month of September, anticipates a consistent average low-temperature of 13.9°C (57°F).Humidity
In Portonovo, the average relative humidity in September is 76%.Rainfall
In Portonovo, during September, the rain falls for 7.5 days and regularly aggregates up to 27mm (1.06") of precipitation. In Portonovo, during the entire year, the rain falls for 143.1 days and collects up to 813mm (32.01") of precipitation.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 08:01 and sunset at 21:09. On the last day of September, sunrise is at 08:31 and sunset at 20:18 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September in Portonovo, Spain, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Take precautions - Protection against sunburn is recommended. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the usual temperature for Portonovo in September?
What is the average humidity in September in Portonovo?
How many days does it rain in September in Portonovo?
What is the average length of the day in September in Portonovo?
When is the sunrise / sunset in September in Portonovo?
How many hours of sunshine does Portonovo have in September?
How high is the UV index in September in Portonovo?
Average temperature in September
Portonovo, Spain
- Average high temperature in September: 22.8°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (11.5°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.9°C).
Average pressure in September
Portonovo, Spain
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Portonovo, Spain
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is February (13.5km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).
Average humidity in September
Portonovo, Spain
- Average humidity in September: 76%
The months with the highest relative humidity are January and November (86%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Portonovo, Spain
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (138mm).
The driest month (with the least rainfall) is July (13mm).
Average rainfall days in September
Portonovo, Spain
- Average rainfall days in September: 7.5 days
The months with the highest number of rainy days are January and November (16.8 days).
The month with the least rainy days is August (5.9 days).
Average daylight in September /
Average sunshine in September
Portonovo, Spain
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Portonovo, Spain
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is November (12.2 days).
Average UV index in September
Portonovo, Spain
- Average UV index in September: 4
The months with the highest UV index are May, June, July and 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
Portonovo, Spain
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 26).
Average visibility in September
Portonovo, Spain
- 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).
Portonovo, Spain
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