San José del Cabo
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San José del Cabo Weather in September

September in San José del Cabo averages 31°C (88°F) during the day and 26°C (79°F) at night. It is the wettest month of the year, with 146 mm (5.7 in) of rainfall on average, so waterproof gear is a must.

Rainfall in San José del Cabo in September

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Rain is expected on roughly 6 days, totalling around 146 mm (5.7 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.

Temperature in San José del Cabo in September

September in San José del Cabo sees highs of 31°C (88°F) and lows of 26°C (79°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in San José del Cabo in September

Enjoy a sunny month with about 210 hours of sunshine, the clear skies make San José del Cabo even more beautiful.

Average water temperature in September

The water is 29°C (84°F), very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit San José del Cabo. Our weather planner can help you explore destinations with more pleasant weather conditions.

San José del Cabo Temperature in September

Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Water Temperature
29°C (84°F)
Chance of Rain
20%
Precipitation
146 mm (5.7 in)
Rainy days
6 days
Sunshine
210 hours
Percentage Sunshine

San José del Cabo Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in San José del Cabo - and find the best time to visit.

Historical weather records for San José del Cabo in September

Browse day-by-day weather records for San José del Cabo spanning 36 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

San José del Cabo historical weather extremes in September

Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in San José del Cabo.

  • The hottest September day on record in San José del Cabo reached 38°C (100°F) (September 26, 2024).
  • The lowest daytime temperature in September was 26°C (79°F), recorded on September 4, 2007.
  • The coldest night in September in San José del Cabo was on September 20, 2024, with a minimum of 20°C (68°F).

Best Places in Mexico in September

Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in San José del Cabo in September

Warm but pleasant conditions in San José del Cabo in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in San José del Cabo in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

San José del Cabo 3-Day Forecast

More climate data for San José del Cabo

Popular in September

Where to go in September - average daytime high across popular destinations.

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