San José del Cabo
Mexico
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
San José del Cabo, Mexico

September, the first month of the autumn, in San José del Cabo, is still a tropical month, with average temperature fluctuating between 33.4°C (92.1°F) and 23°C (73.4°F).
The ideal sea water temperature of 29°C (84.2°F) and only 3.9 rainfall days, with 112.5mm (4.4") of accumulated rainfall, make September the best time for swimming and other water activities.

Temperature

In September, the average high-temperature is essentially the same as in August - a still tropical 33.4°C (92.1°F). In September, the average low-temperature is 23°C (73.4°F).

Rainfall

The month with the most rainfall is September when the rain falls for 3.9 days and typically aggregates up to 112.5mm (4.4") of precipitation.

Sea temperature

Months with the warmest seawater in San José del Cabo are August through October, with an average sea temperature of 29°C (84.2°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The average length of the day in San José del Cabo is 12.3h.

Sunshine

January, July through September and December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

In September, the average daily maximum UV index is 11. A UV Index of 11, and more, symbolizes an extreme health hazard from the exposure to the Sun's UV radiation for the average person.
Note: In September, the average maximum UV index of 11 translate into the following recommendations:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in San José del Cabo?

In San José del Cabo, Mexico, in September, the average high-temperature is 33.4°C (92.1°F), and the average low-temperature is 23°C (73.4°F).

How much does it rain in San José del Cabo in September?

In San José del Cabo, in September, it is raining for 3.9 days, with typically 112.5mm (4.4") of accumulated precipitation.

What is the rainiest month in San José del Cabo?

The month with the most rainfall in San José del Cabo is September when the rain falls for 3.9 days and typically aggregates up to 112.5mm (4.4") of precipitation.

What months are the sea warmest in San José del Cabo?

August through October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in San José del Cabo, Mexico.

What is the sea water temperature in September in San José del Cabo?

In September, the average sea temperature in San José del Cabo is 29°C (84.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in San José del Cabo?

In San José del Cabo, Mexico, the average length of the day in September is 12.3h.

What is the month with the least sunshine in San José del Cabo?

January, July through September and December, with an average of 7h of sunshine, are months with the least sunshine.

How long on average sun shines in September in San José del Cabo?

In San José del Cabo, Mexico, the average sunshine in September is 7h.

How high is the UV index in September in San José del Cabo?

In San José del Cabo, the average daily maximum UV index in September is 11. A UV Index value of 11, and more, symbolizes an extreme health vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - San José del Cabo, Mexico
  • Average high temperature in September: 33.4°C

The warmest month (with the highest average high temperature) is August (33.9°C).
The month with the lowest average high temperature is January (25.8°C).

  • Average low temperature in September: 23°C

The month with the highest average low temperature is August (23.8°C).
Coldest months (with the lowest average low temperature) are January and February (12°C).

Average rainfall in September - San José del Cabo, Mexico
  • Average rainfall in September: 112.5mm

The wettest month (with the highest rainfall) is September (112.5mm).
The driest month (with the lowest rainfall) is May (0.3mm).

Average rainfall days in September - San José del Cabo, Mexico
  • Average rainfall days in September: 3.9 days

The month with the highest number of rainy days is September (3.9 days).
The month with the lowest number of rainy days is May (0 days).

Average sea temperature in September - San José del Cabo, Mexico
  • Average sea temperature in September: 29°C

Best months for swimming (with the highest average sea temperature) are August, September and October (29°C).
Coldest months (with the lowest average sea temperature) are February and March (21°C).

Average daylight in September / Average sunshine in September - San José del Cabo, Mexico
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.5h).
The month with shortest days is December (Average daylight: 10.7h).

  • Average sunshine in September: 7h

Months with most sunshine are February, March, April, May, June, October and November (Average sunshine: 8h).
Months with least sunshine are January, July, August, September and December (Average sunshine: 7).

Average UV index in September - San José del Cabo, Mexico
  • Average UV index in September: 11

Months with the highest UV index are April, May, June, July and August (UV index 12).
Months with the lowest UV index are January and December (UV index 6).