SeasonMapHolbox weather in September
Mexico
September in Holbox: sweltering, soaked, with clean air — fine if you can take 23 rainy days.
#12 of 12 months in Holbox · #670 of 1383 destinations to visit in September · comfort 80/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Holbox in September
Other months in Holbox
Holbox's forum calls March close to ideal — one visitor found sunny, partly cloudy days back to back with genuinely perfect weather. The one catch regulars flag is wind: the "Nortes," strong north winds that can blow hard for a few days at a stretch, so it's worth checking the forecast before booking a boat trip.
Add your own note from Holbox's card on the map.
Holbox climate normals — September
| Daytime high | 31°C / 88°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 37°C / 99°F | |
| Sea temperature | 30°C / 85°F | ♨️ bath-warm |
| Rainfall | 157 mm / 6.2 in | ⛈ soaked |
| Rainy days | 23 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12.3 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Holbox in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 2 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Holbox's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherHolbox's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Holbox in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Whale shark season
15 May – 17 SepDive seasonBook earlyThe season is fixed by permit, mid-May to mid-September, and boats leave before dawn for the feeding aggregation well offshore. July and August are when the numbers are highest and the queue for a licensed boat is longest.
- Hazard
Hurricane season
1 Jun – 30 NovThe island is a sandbar with sand streets and one ferry. A storm anywhere in the western Caribbean stops the crossing a day or two before the weather itself arrives, which is the real risk to a booking here. Source ↗
Nearby, and something's on
Within 300 km of Holbox — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Holbox?
Holbox in September — FAQ
- Is September a good time to visit Holbox?
- September in Holbox: sweltering, soaked, with clean air — fine if you can take 23 rainy days. It ranks #12 of 12 months for Holbox on SeasonMap's comfort score (80/100).
- What is the weather like in Holbox in September?
- In September, Holbox averages a daily high of 31.3°C and a low of 25.9°C, with about 157.4 mm of rain over roughly 23 rainy days.
- What is the air quality in Holbox in September?
- Holbox has a mean US Air Quality Index of about 33 in September.
Other months in Holbox
Compare Holbox in September
Warmer or cooler than Holbox in September
Similar destinations in North America — September
Within 300 km: Cancún's Sea turtle nesting around 1 May – 31 Oct, and Isla Mujeres' Whale shark season on 15 May – 17 Sep.