Great Guana Cay Weather in September
September in Great Guana Cay 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 140 mm (5.5 in) on average. An umbrella is a good idea.
Rainfall in Great Guana Cay in September
Typically around 20 days of rainfall are expected, averaging 140 mm (5.5 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Great Guana Cay in September
September in Great Guana Cay brings high temperatures, with highs of 30°C (86°F) and nights around 27°C (81°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. 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.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Great Guana Cay. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Bahamas, check out our Great Guana Cay's climate page.
Great Guana Cay Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
66%
Precipitation
140 mm (5.5 in)
Rainy days
20 days
Historical weather for Great Guana Cay in September
Browse day-by-day weather records for Great Guana Cay spanning 23 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Great Guana Cay historical weather extremes in September
According to our 19 years of weather records for Great Guana Cay, the following extremes were recorded between 2006 and 2025.
- The warmest day in September was on September 25, 2025, with a maximum of 32°C (90°F).
- On September 30, 2007, Great Guana Cay saw its coldest September day with temperatures maxing out at 27°C (81°F).
- The coldest night in September in Great Guana Cay was on September 29, 2007, with a minimum of 24°C (75°F).
- Peak precipitation in September occurred on September 29, 2010, when 56 mm (2.2 in) of precipitation was measured.
Best Places in the Bahamas in September
Find out more about the weather in the Bahamas and which places have the best travel conditions in this month. See all of the Bahamas in September →
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What to Wear in Great Guana Cay in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Great Guana Cay in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Bahamas, check out our Great Guana Cay's climate page.
See the full Great Guana Cay climate overview or explore weather in the Bahamas.
