Puerto Rico Weather in September

During September, Puerto Rico experiences high daytime temperatures of 27°C (81°F) and cooler nights around 14°C (57°F). Expect quite a bit of rainfall. Around 161 mm (6.3 in) is typical.

Rainfall in Puerto Rico in September

Historically, September sees about 10 days of rain, with a monthly average of 161 mm (6.3 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Puerto Rico in September

If you're visiting Puerto Rico in September, expect highs of 27°C (81°F) and overnight lows around 14°C (57°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Puerto Rico.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Argentina, check out our Puerto Rico's climate page.

Puerto Rico Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 32%  

Precipitation 161 mm (6.3 in)  

Rainy days 10 days  

What to Wear in Puerto Rico in September

Warm but pleasant conditions in Puerto Rico in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.

What To Do in Puerto Rico in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Argentina, check out our Puerto Rico's climate page.

More climate data for Puerto Rico

Temperature Rainfall

See the full Puerto Rico climate overview or explore weather in Argentina.