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Tulum, Mexico · Temperate oceanic

Tulum in September: go or not?

Mixed period. Tulum in September: 5.0/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 20.21°N · 87.46°W
⚡ This month's verdict
Why not
Tulum · September
5.0
25–31°
Temperature
42%
Rain
6h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Meg von Haartman via Unsplash
The month in detail

What to expect in September

Autumn marks the end of peak season in Tulum. Temperatures drop (88°F) and rain returns (42% of days). Expect rain on 42% of days — a light raincoat in the bag is recommended.

September ranks 12 out of 12 months in Tulum. Compared to August: 6 pts more rainy days, −0.7h of sun per day.

This month's conditions

What it's like in September

UV index
8 · very high
protection essential
Feels like
oppressive heat
24°
Sea
31°C
warm, ideal
Daylight
12.1h of daylight
Air quality
excellent
AQI 15
Compare

Is September the right month?

The best month in Tulum is March (8.8/10), 3.8 pts higher than September.

See March →See all 12 months →
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 · Tulum

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 beach trip.

Country · Mexico

🗣️LanguageSpanish
💶CurrencyMexican Peso ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJuly · 88°F
❄️Coolest monthJanuary · 81°F
🌧️Rainiest month ⓘJune · 42%

🏖️ Beach trip

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Location

Where is Tulum ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Mexico
Temperate oceanic climate with a 8.8 → 5.0 gap between best and worst month. 10 years of ERA5 data to choose by project.
20.21°N · 87.46°W
Questions

Frequently asked questions

What is the best time to visit Tulum?
March is the best month with 82°F highs, 75°F lows, 7.5h of sunshine and 15.0% rainy days. The months of March & February offer comparable conditions.
How many hours of sunshine does Tulum get in March?
Tulum averages 7.5 sunshine hours per day in March. It is the sunniest month with a climate score of 8.4/10.
What is the rainiest month in Tulum?
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 Tulum in March?
In March, overnight lows reach 75°F, while afternoon highs average 82°F.
Is Tulum good in winter?
In winter (December-February), Tulum scores 8.0/10 on average — Acceptable conditions for cultural visits.. The best month overall remains March with a score of 8.4/10.
When should you avoid Tulum?
September is the most difficult month to visit Tulum, 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 Tulum in September?
In September, the sea averages 87°F in Tulum: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Tulum in September?
The average UV index reaches 8 in September in Tulum (very high), with about 12.1h of daylight. Protection essential.