Tulum in September
In September, Tulum averages 31°C (88°F) during the day and 24°C (75°F) at night, with frequent rain — about 14 days of the month see precipitation (205 mm total).
Off-peakConditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.
It's peak hurricane season in Tulum during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How September compares to the rest of the year in Tulum
September is in the middle of the year for warmth in Tulum (6th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 1°C above the annual average (31°C). September runs 1°C cooler than August (32°C) and cools 1°C in October (30°C).
September sunrise & sunset in Tulum
Times shown for Tulum local time (America/Cancun), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Tulum — September
Golden-hour and blue-hour windows for the 15th of September, in Tulum's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Tulum 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 (Off-peak) and Tulum's popularity.
Crowds & pricing — September in Tulum
This is off-peak for Tulum — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: peak hazard season (1 active)
Sun & mosquito risk — September in Tulum
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.
Sea temperature in Tulum — September
Across the year Tulum's sea swings from 26.7°C (February) to 30.7°C (August) — September sits at 30.6°C.
Tulum in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 28°C / 82°F | 21°C / 70°F | 80 mm | 8 | 0 |
| February | 29°C / 84°F | 21°C / 70°F | 55 mm | 5 | 0 |
| March | 30°C / 86°F | 22°C / 72°F | 50 mm | 5 | 0 |
| April | 32°C / 90°F | 23°C / 73°F | 50 mm | 5 | 0 |
| May | 33°C / 91°F | 24°C / 75°F | 140 mm | 9 | 0 |
| June | 32°C / 90°F | 24°C / 75°F | 180 mm | 12 | 0 |
| July | 32°C / 90°F | 24°C / 75°F | 140 mm | 11 | 0 |
| August | 32°C / 90°F | 24°C / 75°F | 165 mm | 11 | 0 |
| September | 31°C / 88°F | 24°C / 75°F | 205 mm | 14 | 0 |
| October | 30°C / 86°F | 23°C / 73°F | 180 mm | 13 | 0 |
| November | 29°C / 84°F | 22°C / 72°F | 90 mm | 9 | 0 |
| December | 28°C / 82°F | 21°C / 70°F | 75 mm | 7 | 0 |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Tulum in September →
Frequently asked questions
How hot is Tulum in September?
In September, Tulum averages a high of 31°C (88°F) and a low of 24°C (75°F) — generally hot.
Does it rain a lot in Tulum in September?
September can be fairly wet in Tulum, with about 14 rainy days on average.
Is September a good time to visit Tulum?
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 Tulum in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Tulum for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.