Gun Bay Weather in September

September in Gun Bay brings very high temperatures around 30°C (86°F) during the day, dropping to 27°C (81°F) at night, with quite a bit of rainfall expected, averaging around 154 mm (6.1 in) for the month.

Rainfall in Gun Bay in September

Records from the past 30 years suggest around 16 days of rain, with 154 mm (6.1 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 Gun Bay in September

Daytime highs in Gun Bay in September reach 30°C (86°F), with nights around 27°C (81°F). For most visitors, the main thing to prepare for is the heat during the day. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.

Sunshine in Gun Bay in September

The city usually sees around 240 hours of sunlight, indicating many sunny days — a great month for sightseeing.

For Gun 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 Gun Bay's climate page.

Gun Bay Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 52%  

Precipitation 154 mm (6.1 in)  

Rainy days 16 days  

Humidity 79% *  

Sunshine 240 hours *  

Percentage Sunshine *  

* Data from: Georgetown, Cayman Islands (29 KM, 18 Miles).

What to Wear in Gun Bay in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Gun 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 Gun Bay's climate page.

More climate data for Gun Bay

Temperature Rainfall Sunshine Humidity

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