Arroyo weather in September 2024

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Arroyo in September. Check more long-term weather averages for Arroyo in September before you book your next holiday to Puerto Rico in 2024/2025.

31
31°C max day temperature
8
8 hours of sunshine per day
17
17 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
181
181 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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The September weather guide for Puerto Rico (Arroyo) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

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How hot is it in Arroyo in September?

Daytime temperatures usually reach 31°C in Arroyo in September with very high heat and humidity, falling to 24°C at night.

How sunny is it in Arroyo in September?

There are normally 8 hours of bright sunshine each day in Arroyo in September - that's 64% of daylight hours.

How warm is the sea around Arroyo in September?

The average sea temperature around Arroyo in September is 29°C.

Does it rain in Arroyo in September?

There are usually 17 days with some rain in Arroyo in September and the average monthly rainfall is 181mm.

What is the chance of a hurricane in Arroyo in September?

On average 1 day in September in Arroyo is likely to be affected by the passage of one or more tropical storms.

Arroyo September sunrise & sunset times

Browse the sunrise and sunset times for Arroyo in September 2024. Select a month to view Arroyo sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Sunday, 1st September 2024	06:10	18:38
Sunday, 15th September 2024	06:12	18:26
Monday, 30th September 2024	06:15	18:13

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Puerto Rico - quick facts
Flight time^✝	12 to 13 hours
Time difference	UK -4 hours
Language(s)	Spanish, English
Currency	United States Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Beaches Nature Nightlife
Tourist info	Discover Puerto Rico