West Bay Weather in September

September in West Bay typically sees daytime highs of 30°C (86°F) and nighttime lows of 27°C (81°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in West Bay in September

Records from the past 30 years suggest around 16 days of rain, with 153 mm (6 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in West Bay in September

In September, expect very high temperatures in West Bay, with highs of 30°C (86°F) and lows of 27°C (81°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.

Sunshine in West Bay in September

There are approximately 240 hours of sunshine this month, resulting in mostly clear days.

Average water temperature in September

With water at 30°C (86°F), conditions are warm and calm. Perfect for those who like tropical water temperatures, though it won't cool you down much.

For West Bay itself, January, February, March, April and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
• February
• March
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• May
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• October
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For a detailed overview over the year and the best time to visit Cayman Islands, check out our West Bay's climate page.

West Bay Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Water Temperature 30°C (86°F) *  

Chance of Rain 53%  

Precipitation 153 mm (6 in)  

Rainy days 16 days  

Humidity 79% *  

Sunshine 240 hours *  

Percentage Sunshine *  

* Data from: Georgetown, Cayman Islands (9 KM, 5 Miles).

What to Wear in West Bay in September

Warm but pleasant conditions in West Bay 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. The water temperature sits at about 30°C (86°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in West Bay in September

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

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

7/10

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 Cayman Islands, check out our West Bay's climate page.

More climate data for West Bay

Temperature Rainfall Sunshine Humidity Water Temp

See the full West Bay climate overview or explore weather in Cayman Islands.