September · Belize
Best time to visit ATM Cave in September Weather, crowds & prices
Weather in ATM Cave in September
Average temperature 25°C, 234 mm of rain, about 21 days with 6+ hours of sunshine and 92% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
3.9/10
Ranked #9 of 12 months
- Avg temp
- 25°C
- Rainfall
- 234 mm
- Humidity
- 92%
- Days with 6h+ sun
- 21
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in ATM Cave scores 3.9/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 25°C, 234 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.
ATM Cave is a Maya underworld of pottery and crystalized remains-guided river wades into sacred chambers. Best window: the drier months outside peak monsoon.
September in ATM Cave — off-season conditions
September averages 25°C (78°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
234 mm makes this the wettest stretch of the year, though about 21 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.9/10 here, 9th of 12 months, against 7.5/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? February scores 3.6 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in ATM Cave in September?
- In September, ATM Cave averages 25°C, 234 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 3.9/10.
- Is September a good time to visit ATM Cave?
- September earns a 3.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in ATM Cave in September?
- Expect about 234 mm of rain in September. Average humidity is 92% and there are about 21 days with 6+ hours of sunshine.
Curated in ATM Cave
Tickets & experiences
Things to do in ATM Cave
ATM Cave, Belize. Live activities and tours from GetYourGuide, matched to this destination.