September · Mexico
Best time to visit Cabo Pulmo in September Weather, crowds & prices
Weather in Cabo Pulmo in September
Average temperature 30°C, 102 mm of rain, about 24 days with 6+ hours of sunshine and 68% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.6/10
Ranked #9 of 12 months
- Avg temp
- 30°C
- Rainfall
- 102 mm
- Humidity
- 68%
- Days with 6h+ sun
- 24
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Cabo Pulmo scores 8.6/10 for beach and coastal travel - ranked #9 of 12. Expect around 30°C, 102 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Cabo Pulmo protects a living Gulf reef-snorkel and dive days in a small East Cape village setting. Best window: cooler months from late autumn through early spring.
September in Cabo Pulmo — one of the year's strongest windows (9th)
Days in September average 30°C (86°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
102 mm of rain makes this a wet month here, though with about 24 days with 6+ hours of sunshine there is still bright weather between the fronts.
On our climate-comfort scale this is one of the strongest months of the year for Cabo Pulmo at 8.6/10 (9th of 12), just behind April at 10/10.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Expect low-season pricing, and crowds are light for this destination.
Frequently asked
- What is the weather like in Cabo Pulmo in September?
- In September, Cabo Pulmo averages 30°C, 102 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 8.6/10.
- Is September a good time to visit Cabo Pulmo?
- September earns a 8.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cabo Pulmo in September?
- Expect about 102 mm of rain in September. Average humidity is 68% and there are about 24 days with 6+ hours of sunshine.
Curated in Cabo Pulmo
Tickets & experiences
Things to do in Cabo Pulmo
Cabo Pulmo, Mexico. Live activities and tours from GetYourGuide, matched to this destination.