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
As Portas welcomes September, the average high-temperature stabilizes at an agreeable 22.8°C (73°F), showing little deviation from August's 24.4°C (75.9°F). Nighttime temperatures in September average to a refreshing 13.9°C (57°F).Humidity
The average relative humidity in September is 76%.Rainfall
In Portas, in September, it is raining for 7.5 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, in Portas, there are 143.1 rainfall days, and 813mm (32.01") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 08:00 and sunset at 21:08. On the last day of September, in Portas, sunrise is at 08:31 and sunset at 20:17 CEST.
Sunshine
In Portas, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. When the Sun is at its strongest around midday, find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the average September temperature in Portas?
What is the average humidity in September in Portas?
How much does it rain in Portas in September?
How many hours of daylight does Portas have in September?
What time are sunrise and sunset in September in Portas?
How long on average sun shines in September in Portas?
What is the UV index intensity in September in Portas?
Average temperature in September
Portas, 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
Portas, 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
Portas, 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
Portas, 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
Portas, 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
Portas, 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
Portas, Spain
- Average daylight in September: 12h and 3min
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 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
Portas, 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
Portas, 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
Portas, 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
Portas, 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).
Portas, Spain
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