West Bay
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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.

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).

West Bay Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in West Bay - and find the best time to visit.

Best Places in Cayman Islands in September

Find out more about the weather in Cayman Islands and which places have the best travel conditions in this month. See all of Cayman Islands in September →

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).

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

West Bay 3-Day Forecast

More climate data for West Bay

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.