September · Belize
Best time to visit South Water Caye in September Weather, crowds & prices
Weather in South Water Caye in September
Average temperature 29°C, 242 mm of rain, about 23 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.4/10
Ranked #8 of 12 months
- Avg temp
- 29°C
- Rainfall
- 242 mm
- Humidity
- 85%
- Days with 6h+ sun
- 23
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in South Water Caye scores 6.4/10 for beach and coastal travel - ranked #8 of 12. Expect around 29°C, 242 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
South Water Caye sits on the barrier reef crest-snorkel from shore and quiet island nights. Best window: the drier months outside peak monsoon.
September in South Water Caye: mixed conditions, plan around the weather
September averages 29°C (84°F) and humidity near 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
242 mm makes this the wettest stretch of the year, though about 23 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 6.4/10 here, 8th of 12 months, against 9.2/10 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.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? April scores 2.8 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in South Water Caye in September?
- In September, South Water Caye averages 29°C, 242 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 6.4/10.
- Is September a good time to visit South Water Caye?
- September earns a 6.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in South Water Caye in September?
- Expect about 242 mm of rain in September. Average humidity is 85% and there are about 23 days with 6+ hours of sunshine.
Curated in South Water Caye
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Things to do in South Water Caye
South Water Caye, Belize. Live activities and tours from GetYourGuide, matched to this destination.