What September feels like in Cabo San Lucas
September falls in Cabo San Lucas's wet season — the rainfall numbers rise clearly above the dry months. The midday hours are hot; shade and water matter on long walks. Nights bring little relief: even the coolest hour of the night stays very warm. High humidity makes the heat feel heavier and sticky, especially on still afternoons.
Rain in Cabo San Lucas in September
It is a changeable month: rain comes about one day in 3, with dry spells in between. When rain comes it is heavy, about 12.2 mm (0.5 in) per wet day, often in short, strong bursts. That is heavier than Cabo San Lucas's usual 9.6 mm per rainy day across the year. September is Cabo San Lucas's wettest month of the year.
How September compares to the rest of the year
In Cabo San Lucas's temperature order, September sits as the 3rd warmest month. Compared with August, afternoons are 0.9°C (1.6°F) cooler, with 42 mm more rain. The cooling trend carries on into October. By October, typical highs are 30.9°C (87.6°F).
Who September suits
- Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
Tips for visiting Cabo San Lucas in September
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Sun Protection
Protect yourself from strong sun: hat, SPF and plenty of water.
Quick questions
How warm is Cabo San Lucas in September?
It feels hot: typical highs are 31°C (87.8°F), with lows near 26.1°C (79°F).
Does it rain a lot in Cabo San Lucas in September?
It does: about 9 rainy days bring roughly 110 mm, so plan some indoor options.
What should I wear in Cabo San Lucas in September?
Based on the averages: rain protection and sun protection. There is little need to change for the evening.
Is September or October better for visiting Cabo San Lucas?
On our 12-month climate ranking, October comes out ahead (#9 of 12 vs #12). October has fewer rainy days.
