Bacalar weather in September
September in Bacalar: hot, soaked, with clean air — a gamble, with 25 rainy days.
#11 of 12 months in Bacalar · #759 of 897 destinations to visit in September · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
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Bacalar climate normals — September
| Daytime high | 31°C / 88°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Rainfall | 167 mm / 6.6 in | ⛈ soaked |
| Rainy days | 25 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 12.2 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 24 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Bacalar in September — FAQ
- Is September a good time to visit Bacalar?
- September in Bacalar: hot, soaked, with clean air — a gamble, with 25 rainy days. It ranks #11 of 12 months for Bacalar on SeasonMap's comfort score (63/100).
- What is the weather like in Bacalar in September?
- In September, Bacalar averages a daily high of 31.2°C and a low of 25°C, with about 167 mm of rain over roughly 25.4 rainy days.
- What is the air quality in Bacalar in September?
- Bacalar has a mean US Air Quality Index of about 24 in September.