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Isla Holbox, Mexico · Tropical

Isla Holbox in September: go or not?

Mixed period. Isla Holbox in September: 4.6/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 21.52°N · 87.38°W
⚡ This month's verdict
Why not
Isla Holbox · September
4.6
25–31°
Temperature
75%
Rain
6h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : Corentin Largeron via Unsplash
The month in detail

What to expect in September

September falls in the wet season in Isla Holbox. Showers are often brief but intense. With 75.0% of rainy days, always have indoor alternatives planned.

September ranks 12 out of 12 months in Isla Holbox. Compared to August: 7 pts more rainy days, −0.5h of sun per day.

This month's conditions

What it's like in September

UV index
8 · high
sunscreen and hat advised
Feels like
oppressive heat
24°
Sea
29°C
warm, ideal
Daylight
12.1h of daylight
Air quality
good
AQI 23
Compare

Is September the right month?

The best month in Isla Holbox is February (8.5/10), 3.9 pts higher than September.

See February →See all 12 months →
Context

Our verdict

Isla Holbox, small island in the north of Yucatán in Mexico in the Yum Balam Biosphere Reserve : 2000 permanent inhabitants over 41 km long and 2 km wide, sandy island where no cars are allowed (transport: golf carts = electric golf carts, bicycles, scooters).

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Isla Holbox

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
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 Stable
🔥Hottest monthMay · 32°C
❄️Coolest monthJanuary · 26°C
🌧️Rainiest month September · 75%

🏝️ Tropical stay

🌞Dry season May → Sep
🌧️Wet season Dec → Mar
🌀Cyclones Season Nov-Apr
Location

Where is Isla Holbox ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Mexico
Tropical climate with a 8.5 → 4.6 gap between best and worst month. 10 years of ERA5 data to choose by project.
21.52°N · 87.38°W
Questions

Frequently asked questions

What is the best time to visit Isla Holbox?
February is the best month with 28.0°C highs, 22.0°C lows, 7.4h of sunshine and 26.0% rainy days. The months of February & January offer comparable conditions.
How many hours of sunshine does Isla Holbox get in February?
Isla Holbox averages 7.4 sunshine hours per day in February. It is the sunniest month with a climate score of 8.0/10.
What is the rainiest month in Isla Holbox?
September is the most unfavourable month with September has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Isla Holbox in February?
In February, overnight lows reach 22.0°C, while afternoon highs average 28.0°C.
Is Isla Holbox good in winter?
In winter (December-February), Isla Holbox scores 7.7/10 on average — Decent period conditions for cultural visits.. The best month overall remains February with a score of 8.0/10.
When should you avoid Isla Holbox?
September is the most difficult month to visit Isla Holbox, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Isla Holbox in September?
In September, the sea averages 29°C in Isla Holbox: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Isla Holbox in September?
The average UV index reaches 8 in September in Isla Holbox (high), with about 12.1h of daylight. Sunscreen and hat advised.