September weather forecast
Puerto Rico, Spain

The stunning coastline of the Gran Canaria in Puerto Rico, Spain
The stunning coastline of the Gran Canaria in Puerto Rico, Spain

Weather in September

The first month of the autumn, September, is also a moderately hot month in Puerto Rico, Spain, with an average temperature fluctuating between 25°C (77°F) and 18°C (64.4°F).

Temperature

In September, the average high-temperature is practically the same as in August - a still moderately hot 25°C (77°F). In Puerto Rico, in September, the average low-temperature is 18°C (64.4°F).

Rainfall

In Puerto Rico, during 1 rainfall days, 12mm (0.47") of precipitation is typically accumulated. Throughout the year, there are 21 rainfall days, and 291mm (11.46") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature in Puerto Rico, Spain, is 23.5°C (74.3°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.5°C (74.3°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In September, the average length of the day in Puerto Rico is 12h and 19min.
On the first day of the month, sunrise is at 07:41 and sunset at 20:24. On the last day of September, in Puerto Rico, sunrise is at 07:55 and sunset at 19:50 WEST.

Sunshine

In Puerto Rico, the average sunshine in September is 8h.

UV index

In Puerto Rico, the average daily maximum UV index in September is 9. A UV Index value of 8 to 10 symbolizes a very high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 9 in September interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Puerto Rico?

The average high-temperature, in September, is 25°C (77°F), while the average low-temperature is 18°C (64.4°F).

How much does it rain in Puerto Rico in September?

In Puerto Rico, Spain, during September, the rain falls for 1 days and regularly aggregates up to 12mm (0.47") of precipitation.

What is the sea temperature in September in Puerto Rico?

In September, the average sea temperature in Puerto Rico is 23.5°C (74.3°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.5°C (74.3°F) water.

How many hours of daylight does Puerto Rico have in September?

The average day length in September is 12h and 19min.

When are sunrise and sunset in September in Puerto Rico?

In September, on the first day of the month, sunrise is at 07:41 and sunset at 20:24. On the last day of the month, in Puerto Rico, sunrise is at 07:55 and sunset at 19:50 WEST.

How many hours of sunshine does Puerto Rico have in September?

In September, the average sunshine duration in Puerto Rico is 8h.

What is the UV index intensity in September in Puerto Rico?

In September, the average daily maximum UV index in Puerto Rico is 9. A UV Index estimate of 8 to 10 represents a very high hazard to health from unprotected exposure to UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in September
Puerto Rico, Spain

Average temperature in September - Puerto Rico, Spain
  • Average high temperature in September: 25°C

The warmest month (with the highest average high temperature) is August (26°C).
The months with the lowest average high temperature are January and February (18°C).

  • Average low temperature in September: 18°C

The month with the highest average low temperature is August (19°C).
The coldest months (with the lowest average low temperature) are January and February (12°C).

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Average rainfall in September
Puerto Rico, Spain

Average rainfall in September - Puerto Rico, Spain
  • Average rainfall in September: 12mm

The wettest month (with the highest rainfall) is December (51mm).
The driest months (with the least rainfall) are July and August (1mm).

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Average rainfall days in September
Puerto Rico, Spain

Average rainfall days in September - Puerto Rico, Spain
  • Average rainfall days in September: 1 days

The month with the highest number of rainy days is December (4 days).
The months with the least rainy days are June, July and August (0 days).

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Average sea temperature in September
Puerto Rico, Spain

Average sea temperature in September - Puerto Rico, Spain
  • Average sea temperature in September: 23.5°C

The best month for swimming (with the highest average sea temperature) is October (23.6°C).
The coldest months (with the lowest average sea temperature) are February and March (19.3°C).

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Average daylight in September /
Average sunshine in September
Puerto Rico, Spain

Average daylight in September / Average sunshine in September - Puerto Rico, Spain
  • Average daylight in September: 12h and 19min

The month with the longest days is June (Average daylight: 13h and 52min).
The month with the shortest days is December (Average daylight: 10h and 25min).

  • Average sunshine in September: 8h

The month with the most sunshine is July (Average sunshine: 10h).
The months with the least sunshine are January, November and December (Average sunshine: 6h).

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Average UV index in September
Puerto Rico, Spain

Average UV index in September - Puerto Rico, Spain
  • Average UV index in September: 9

The months with the highest UV index are June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 4).

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