September · Mexico
Best time to visit Bacalar in September Weather, crowds & prices
Weather in Bacalar in September
Average temperature 29°C, 187 mm of rain, about 20 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.1/10
Ranked #10 of 12 months
- Avg temp
- 29°C
- Rainfall
- 187 mm
- Humidity
- 85%
- Days with 6h+ sun
- 20
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Bacalar scores 4.1/10 for nature and wildlife travel - ranked #10 of 12. Expect around 29°C, 187 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Bacalar's lagoon of seven colours and its fort sit in southern Quintana Roo near the Belize border.
September in Bacalar — the hardest end of the year
September averages 29°C (83°F) and humidity near 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 187 mm — wet for this destination — but about 20 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.1/10 here, 10th of 12 months, against 7.1/10 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, footwear you can get muddy.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? February scores 3 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Bacalar in September?
- In September, Bacalar averages 29°C, 187 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 4.1/10.
- Is September a good time to visit Bacalar?
- September earns a 4.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Bacalar in September?
- Expect about 187 mm of rain in September. Average humidity is 85% and there are about 20 days with 6+ hours of sunshine.
Curated in Bacalar
Tickets & experiences
Things to do in Bacalar
Bacalar, Mexico. Live activities and tours from GetYourGuide, matched to this destination.