Upper Land Weather in September

September in Upper Land averages 30°C (86°F) during the day and 27°C (81°F) at night. Quite a bit of rainfall is typical this month, with around 153 mm (6 in) on average. An umbrella is a good idea.

Rainfall in Upper Land in September

Historically, September sees about 16 days of rain, with a monthly average of 153 mm (6 in). 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 Upper Land in September

September in Upper Land brings typical temperatures with highs around 30°C (86°F) and lows of 27°C (81°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.

Sunshine in Upper Land in September

With approximately 240 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Average water temperature in September

At 30°C (86°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.

For Upper Land 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.

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 Upper Land's climate page.

Upper Land 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 (7 KM, 4 Miles).

What to Wear in Upper Land in September

Warm but pleasant conditions in Upper Land 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. With water temperatures around 30°C (86°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Upper Land 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 Upper Land's climate page.

More climate data for Upper Land

Temperature Rainfall Sunshine Humidity Water Temp

See the full Upper Land climate overview or explore weather in Cayman Islands.