September · Mexico
Best time to visit Merida in September Weather, crowds & prices
Weather in Merida in September
Average temperature 28°C, 169 mm of rain, about 22 days with 6+ hours of sunshine and 88% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.2/10
Ranked #10 of 12 months
- Avg temp
- 28°C
- Rainfall
- 169 mm
- Humidity
- 88%
- Days with 6h+ sun
- 22
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Merida scores 4.2/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 28°C, 169 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
Mérida is the Yucatán's white city, a grid of colonial squares and mansions along the Paseo de Montejo, with Maya sites and cenotes beyond the ring road.
September in Merida: expect compromises
September averages 28°C (82°F) and humidity near 88%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 169 mm — wet for this destination — but about 22 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.2/10 here, 10th of 12 months, against 8.1/10 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.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? February scores 3.9 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Merida in September?
- In September, Merida averages 28°C, 169 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 4.2/10.
- Is September a good time to visit Merida?
- September earns a 4.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Merida in September?
- Expect about 169 mm of rain in September. Average humidity is 88% and there are about 22 days with 6+ hours of sunshine.
Curated in Merida
Tickets & experiences
Things to do in Merida
Merida, Mexico. Live activities and tours from GetYourGuide, matched to this destination.