The month in detail
What to expect in September
Autumn marks the end of peak season in Mérida. Temperatures drop (91°F) and rain returns (33% of days). Expect rain on 33% of days — a light raincoat in the bag is recommended.
September ranks 7 out of 12 months in Mérida. Compared to August: −2°F daytime, −1.0h of sun per day.
This month's conditions
What it's like in September
UV index
8 · very high
protection essential
Feels like
very humid
24°
Daylight
12.1h of daylight
Air quality
good
AQI 23
Compare
Is September the right month?
The best month in Mérida is January (8.9/10), 4.0 pts higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Mérida
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Mérida
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · Mexico
🗣️LanguageSpanish
💶CurrencyMexican Peso ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘ+1.72°F/decade
🔥Hottest monthApril · 97°F
❄️Coolest monthJanuary · 82°F
🌧️Rainiest month ⓘSeptember · 33%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Mérida ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
MexicoTropical climate with a 8.9 → 4.6 gap between best and worst month. 10 years of ERA5 data to choose by project.
20.97°N · 89.62°W
Questions
Frequently asked questions
What is the best time to visit Mérida?
January is the best month with 82°F highs, 66°F lows, 6.7h of sunshine and 9.0% rainy days.
How many hours of sunshine does Mérida get in January?
Mérida averages 6.7 sunshine hours per day in January. It is the sunniest month with a climate score of 8.5/10.
What is the rainiest month in Mérida?
April is the most unfavourable month with April has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Mérida in January?
In January, overnight lows reach 66°F, while afternoon highs average 82°F.
Is Mérida good in winter?
In winter (December-February), Mérida scores 6.7/10 on average — Acceptable conditions for cultural visits.. The best month overall remains January with a score of 8.5/10.
When should you avoid Mérida?
April is the most difficult month to visit Mérida, with April has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Mérida in September?
The average UV index reaches 8 in September in Mérida (very high), with about 12.1h of daylight. Protection essential.