September weather forecastPortosín, Spain

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Portosín, Spain, with temperature in the range of an average low of 13.9°C (57°F) and an average high of 22.8°C (73°F).

Temperature

The transition from August to September sees average high-temperatures adjusting to a pleasant 22.8°C (73°F), from a not significantly different 24.4°C (75.9°F). In the month of September, Portosín's average low-temperature falls to a mild 13.9°C (57°F).

Humidity

The average relative humidity in September is 76%.

Rainfall

In Portosín, during September, the rain falls for 7.5 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, there are 143.1 rainfall days, and 813mm (32.01") of precipitation is accumulated.

Daylight

In Portosín, 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 21:10. On the last day of September, sunrise is at 08:32 and sunset at 20:18 CEST.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Portosín, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 4 in September translates into these instructions:
Take precautions - Protection against sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

The average high-temperature, in September, in Portosín, is 22.8°C (73°F), while the average low-temperature is 13.9°C (57°F).

The average relative humidity in September is 76%.

In Portosín, in September, it is raining for 7.5 days, with typically 27mm (1.06") of accumulated precipitation.

In September, the average day length is 12h and 29min.

In September, on the first day of the month, sunrise is at 08:01 and sunset at 21:10. On the last day of the month, sunrise is at 08:32 and sunset at 20:18 CEST.

In Portosín, the average sunshine duration in September is 8.7h.

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Portosín, 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
Portosín, 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
Portosín, 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
Portosín, 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
Portosín, 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
Portosín, 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
Portosín, 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: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in September
Portosín, 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
Portosín, 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
Portosín, 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
Portosín, 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).