September · Belize
Best time to visit Caye Caulker in September Weather, crowds & prices
Weather in Caye Caulker in September
Average temperature 28°C, 199 mm of rain, about 21 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.0/10
Ranked #8 of 12 months
- Avg temp
- 28°C
- Rainfall
- 199 mm
- Humidity
- 86%
- Days with 6h+ sun
- 21
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Caye Caulker scores 7.0/10 for beach and coastal travel - ranked #8 of 12. Expect around 28°C, 199 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.
Caye Caulker is a small Belizean island of sandy lanes and wooden houses behind the barrier reef.
September in Caye Caulker — reliably good (8th best month)
September averages 28°C (83°F) and humidity near 86%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 199 mm — wet for this destination — but about 21 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7/10 here, 8th of 12 months, against 9.7/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? April scores 2.7 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Caye Caulker in September?
- In September, Caye Caulker averages 28°C, 199 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 7.0/10.
- Is September a good time to visit Caye Caulker?
- September earns a 7.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Caye Caulker in September?
- Expect about 199 mm of rain in September. Average humidity is 86% and there are about 21 days with 6+ hours of sunshine.
Curated in Caye Caulker
Tickets & experiences
Things to do in Caye Caulker
Caye Caulker, Belize. Live activities and tours from GetYourGuide, matched to this destination.