Puerto Rico weather in September 2025

The temperatures in Puerto Rico in September are comfortable with low of 15°C and and high up to 28°C.

You can expect up to 3 rainy days in Puerto Rico during the month of September.

Our weather forecast can give you a great sense of what weather to expect in Puerto Rico in September 2025.

If you’re planning to visit Puerto Rico in the near future, we highly recommend that you review the 14 day weather forecast for Puerto Rico before you arrive.

Temperatures

28° / 15°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.2

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1 25° /13°	2 25° /12°	3 29° /13°	4 30° /14°	5 31° /15°	6 31° /15°
7 28° /14°	8 30° /13°	9 28° /12°	10 25° /11°	11 25° /13°	12 25° /12°	13 25° /12°
14 25° /12°	15 22° /13°	16 21° /12°	17 18° /12°	18 19° /13°	19 20° /13°	20 21° /13°
21 22° /12°	22 24° /11°	23 27° /11°	24 27° /14°	25 25° /12°	26 25° /13°	27 27° /12°
28 23° /11°	29 24° /11°	30 27° /12°

Explore the weather in Puerto Rico in other months

Puerto Rico annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	16° / 7°	4	27	45 mm	Good	Puerto Rico in January
February	17° / 7°	4	25	46 mm	Good	Puerto Rico in February
March	18° / 8°	4	27	47 mm	Good	Puerto Rico in March
April	20° / 9°	2	28	19 mm	Good	Puerto Rico in April
May	22° / 10°	1	30	10 mm	Good	Puerto Rico in May
June	25° / 13°	0	30	4 mm	Perfect	Puerto Rico in June
July	27° / 14°	0	31	2 mm	Perfect	Puerto Rico in July
August	27° / 15°	0	31	2 mm	Perfect	Puerto Rico in August
September	28° / 15°	0	30	4 mm	Perfect	Puerto Rico in September
October	24° / 14°	1	30	19 mm	Perfect	Puerto Rico in October
November	19° / 10°	2	28	28 mm	Good	Puerto Rico in November
December	15° / 7°	4	27	42 mm	Good	Puerto Rico in December

Temperatures in Puerto Rico in September

Rain in Puerto Rico in September

Weather in Puerto Rico in September - FAQ

What is the average temperature in Puerto Rico in September?

The average temperature in Puerto Rico in September is 15/28° C.

What is the chance of rain in Puerto Rico in September?

On average, there are 0 rainy days in Puerto Rico during September.

Weather wise, is September a good time to visit Puerto Rico?

The weather in Puerto Rico in September is perfect.

Can it snow in Puerto Rico in September?

On average, there are 0 snowy days in Puerto Rico in September.

Cities in Puerto Rico

For a more accurate weather forecast please select a city

Fajardo Isabela San Juan San Lorenzo

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More about the weather in Puerto Rico