Mérida in September
In September, Mérida averages 33°C (91°F) during the day and 24°C (75°F) at night, with frequent rain — about 27 days of the month see precipitation (101 mm total).
ShoulderConditions are very hot — early-morning and evening sightseeing recommended. Expect daily rain or showers, often in heavy bursts.
September is one of the wetter and less comfortable months in Mérida. If your dates are flexible, consider a different time of year.
How September compares to the rest of the year in Mérida
September is in the middle of the year for warmth in Mérida (6th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 1°C above the annual average (32°C). September runs 1°C cooler than August (34°C) and cools 2°C in October (31°C).
September sunrise & sunset in Mérida
Times shown for Mérida local time (America/Merida), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Mérida — September
Golden-hour and blue-hour windows for the 15th of September, in Mérida's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Mérida in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Mérida's popularity.
Crowds & pricing — September in Mérida
Mérida is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — September in Mérida
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Mérida in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 28°C / 82°F | 19°C / 66°F | 27 mm | 13 | — |
| February | 30°C / 86°F | 20°C / 67°F | 20 mm | 9 | — |
| March | 33°C / 91°F | 21°C / 70°F | 16 mm | 7 | — |
| April | 35°C / 95°F | 23°C / 73°F | 20 mm | 9 | — |
| May | 35°C / 95°F | 24°C / 75°F | 63 mm | 17 | — |
| June | 34°C / 92°F | 24°C / 75°F | 123 mm | 23 | — |
| July | 35°C / 94°F | 24°C / 76°F | 60 mm | 23 | — |
| August | 34°C / 93°F | 24°C / 76°F | 98 mm | 25 | — |
| September | 33°C / 91°F | 24°C / 75°F | 101 mm | 27 | — |
| October | 31°C / 89°F | 23°C / 73°F | 104 mm | 23 | — |
| November | 30°C / 85°F | 21°C / 70°F | 44 mm | 16 | — |
| December | 29°C / 84°F | 20°C / 68°F | 29 mm | 12 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Mérida in September →
Frequently asked questions
How hot is Mérida in September?
In September, Mérida averages a high of 33°C (91°F) and a low of 24°C (75°F) — generally hot.
Does it rain a lot in Mérida in September?
September is quite rainy in Mérida, with about 27 rainy days on average.
Is September a good time to visit Mérida?
September is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Mérida in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Mérida for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.