Middle of the wetter season · Weather & things to do
Bacalar in September
Little changes in Bacalar from August: highs stay near 86°F (30°C), lows near 79°F (26°C), and about 6.8 in (172 mm) of rain falls.
With a comfort score of 53/100 (10th of 12), it's one of the toughest months, held back mainly by humidity.

- Avg high
- 86°F (30°C)
- Avg low
- 79°F (26°C)
- Rain
- 6.8 in (172 mm)
- Humidity
- 83%
- Cloud cover
- 62%
- Daylight
- ~12 h 06 min
- Comfort score
- 53/100 · Fair
What September feels like
Days are warm, averaging 86°F (30°C).
Nights stay warm too, with lows averaging 79°F (26°C).
With 83% average humidity, it feels muggy.
Rain is a real factor, with about 6.8 in (172 mm) across the month.
Plan around September
September is one of the lower-scoring months here; the best are December – April.
- Inside the wettest three-month stretch, August – October.
- Comfort slips from 57/100 in August to 53/100.
- Our Tulum & Riviera Maya route recommends Dec – Apr, so September falls outside its suggested window.
What to pack for September
- Light, breathable clothes86°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Quick-dry fabrics83% average humidity
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost picks involve some walking
What to do in Bacalar in September
With 6.8 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Mango y Chile
Vegan restaurant by the fort with lagoon views.
Why now A sit-down stop to wait out showers in a month with 6.8 in of rain.
La Playita
Lagoon restaurant with a jetty for swimming.
Why now Easy to slot in when September's rain moves in.
Noru Bacalar
Lagoon-front Japanese-fusion spot with sushi, mezcal and signature cocktails, open until midnight. Formerly Nao.
Why now Keeps part of the day dry on wetter September days.
Chacchoben
Maya ruins in the jungle with restored temples.
Fuerte de San Felipe
18th-century fort built against pirates, with a museum overlooking the lagoon.
Why now An indoor-leaning stop for a month with 6.8 in of rain.
Nearby in September
- Tulum in September~122 mi · highs 85°F, 7.3 in rain · similar daytime temperatures, about as wet
- Playa del Carmen in September~160 mi · highs 85°F, 6.7 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Bacalar in September: quick answers
Is September a good time to visit Bacalar?
It's one of the tougher months here, scoring 53/100, held back mainly by humidity. The best months are December – April. Expect highs of 86°F (30°C) and 6.8 in (172 mm) of rain. Our Tulum & Riviera Maya route recommends Dec – Apr, so September is outside its suggested window.
How hot is Bacalar in September?
Average highs are 86°F (30°C) and average lows 79°F (26°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Bacalar in September?
Yes: about 6.8 in (172 mm) of rain falls across September on average, the 3rd-wettest month of the year. The annual total is about 54.8 in (1392 mm).
What should I pack for Bacalar in September?
Bring light, breathable clothes (86°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), quick-dry fabrics (83% average humidity), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most picks involve some walking).
Planning Bacalar in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.





