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Aruba Weather in September: Rain, Temperatures

Aruba weather in September
Average high temperature and rainfall for Aruba in September. © 2023 Scott S. Bateman

Aruba weather in September somehow escapes the bad weather that usually hits the rest of the Caribbean during the month.

September historically is the worst month of the annual Caribbean hurricane season. The region averages four tropical storms during the month. Historically, three develop into hurricanes and two of them grow into major hurricanes.

But Aruba’s September weather usually avoids the rain that falls in the rest of the Caribbean.

Aruba Temperatures in September

Aruba’s climate is especially warm in September. The average daytime temperature of 91 Fahrenheit or 33 Celsius in Aruba during September is the highest of the year, according to the Aruba Meteorological Service.

August, October and November are only slightly lower at 90 degrees Fahrenheit or 32 Celsius. They compare to the low point for daytime temperatures of 86 degrees Fahrenheit in January.

Water temperatures around Aruba average a balmy 83 degrees Fahrenheit during the month. Swimming is normally comfortable all day long, unlike the winter months when water temperatures are chilly at times, especially in the early mornings.

Comfortable temperatures and low risk of rain make Aruba one of the best islands to visit in the Caribbean for weather during September.

Rainfall in September



This video explains Caribbean weather in September and which islands are the best and worst to visit for weather.

Full-Screen Version | YouTube Caribbean Channel
While other destinations average as much as six to 13 inches of rain during the month, arid Aruba averages less than two inches, according to the Aruba Meteorological Service. The nearby Curacao also averages about two inches. These averages are based on a 30-year history and may vary somewhat from year to year.

By comparison, Aruba usually has about one inch of rain per month from January through August and then three inches from October through December.

Other Caribbean destinations often have bad weather in October and then a drop in total rainfall in November, which is the final month of the hurricane season.

The fact that Aruba historically has light rain in September is not a guarantee that it will get light rain every September. The paths of storms and hurricanes are unpredictable. Even if rain doesn’t increase, bad weather in the region can increase cloud cover over Aruba.

Over a 30-year history, the island has averaged four days with rain in September compared to 11 in November and December.

 • Aruba weather in January - February - March - April - May - June - July - August - September - October - November - December

Scott S. Bateman is a professional journalist who has traveled widely throughout the Caribbean and the Americas. He is the author of four books about cruising in the Caribbean, Alaska and Mexican Riviera.
August 04, 2023

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