Cayman Brac Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Cayman Brac, Cayman Islands in September.

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The Moorings

Planning a getaway to Cayman Brac, Cayman Islands this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Cayman Brac in September

Cayman Brac, Cayman Islands is a region in Cayman Islands. September in Cayman Brac generally has very warm temperatures, with high precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 27°C (81°F) in The Moorings. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

To explore the conditions in Cayman Brac, Cayman Islands in more detail, check the map below.

Precipitation

September is a rainy month with an average rainfall of around 142 mm (5.6 in) in The Moorings.

Explore Cayman Brac by month

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

Best Places to Visit in Cayman Brac in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Cayman Brac.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Cayman Brac

What is the weather like in September for the most popular destinonation in Cayman Brac, Cayman Islands?

The Moorings

In September The Moorings generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
30°C (86°F)
30°C (86°F)
Min temperature
28°C (82°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
92 mm (3.6 in)
142 mm (5.6 in)
205 mm (8.1 in)
Monthly rainy days
14 days
15 days
16 days
Weather conditions
pleasant
tolerable
poor
Climate in The Moorings →

Is your destination not in the list? Have a look at all destinations in Cayman Brac, in Cayman Islands.

In our records: Cayman Islands September extremes

Notable September records observed across cities in Cayman Islands in our climate database (1989 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest September day in Cayman Islands brought 171 mm (6.7 in) in Georgetown on September 28, 2010.

Cayman Brac weather in September: frequently asked questions

What is the weather like in Cayman Brac, Cayman Islands in September?

Cayman Brac, Cayman Islands typically experiences unpleasant weather in September, part of the season. Daytime highs in The Moorings average around 30°C (86°F), and temperatures drop to about 27°C (81°F) at night.

What is the average temperature in Cayman Brac, Cayman Islands in September?

Daytime temperatures in The Moorings peak at roughly 30°C (86°F) in September, dropping to about 27°C (81°F) overnight.

Does Cayman Brac, Cayman Islands get a lot of rain in September?

Cayman Brac, Cayman Islands sees substantial rainfall in September. The Moorings typically averages about 142 mm (5.6 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Cayman Brac, Cayman Islands?

In our opinion, September is a good time to visit Cayman Brac, Cayman Islands with overall tolerable weather in The Moorings. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Cayman Brac, Cayman Islands is in January, February, March, April and December with generally perfect weather in The Moorings. The weather in October, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Cayman Brac.

Weather and climate has detailed information for every country in the world. Are you going to Cayman Islands? Get detailed historical weather averages for many cities in Cayman Islands.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.