Cabo San Lucas
Mexico
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Cabo San Lucas, Mexico

Stunning view of rocks on the water in Land
Stunning view of rocks on the water in Land's End, in Cabo San Lucas, Mexico, with birds in the air
September, the first month of the autumn, in Cabo San Lucas, is still a hot month, with average temperature varying between 33°C (91.4°F) and 23.9°C (75°F).
The ideal sea water temperature of 29.5°C (85.1°F) and only 3.3 rainfall days, with 82.3mm (3.2") of accumulated rainfall, make September the best time for swimming and other water activities.

Temperature

In September, the average high-temperature is almost the same as in August - a still hot 33°C (91.4°F). In Cabo San Lucas, in September, the average low-temperature is 23.9°C (75°F).

Rainfall

The month with the most rainfall in Cabo San Lucas, Mexico, is September when the rain falls for 3.3 days and typically aggregates up to 82.3mm (3.2") of precipitation.

Sea temperature

September is the month with the warmest seawater in Cabo San Lucas, with an average sea temperature of 29.5°C (85.1°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

In Cabo San Lucas, the average length of the day is 12.3h.

Sunshine

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

UV index

The average daily maximum UV index in September is 11. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 11 transform into the following instructions:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Cabo San Lucas?

In September, in Cabo San Lucas, Mexico, the average high-temperature is 33°C (91.4°F), and the average low-temperature is 23.9°C (75°F).

How much does it rain in Cabo San Lucas in September?

In Cabo San Lucas, Mexico, during September, the rain falls for 3.3 days and regularly aggregates up to 82.3mm (3.2") of precipitation.

What is the wettest month in Cabo San Lucas?

September is the month with the most rainfall in Cabo San Lucas. Rain falls for 3.3 days and accumulates 82.3mm (3.2") of precipitation.

When is the sea warmest in Cabo San Lucas?

With an average sea temperature of 29.5°C (85.1°F), September is the month with the warmest seawater in Cabo San Lucas, Mexico.

What is the water temperature in September in Cabo San Lucas?

In Cabo San Lucas, Mexico, the average seawater temperature in September is 29.5°C (85.1°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Cabo San Lucas have in September?

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

What is the month with the least sunshine in Cabo San Lucas?

Months with the least sunshine in Cabo San Lucas are January, July through September and December, with an average of 7h of sunshine.

How many hours of sunshine does Cabo San Lucas have in September?

In Cabo San Lucas, the average sunshine in September is 7h.

What is the UV index reading in September in Cabo San Lucas?

The average daily maximum UV index in September in Cabo San Lucas is 11. A UV Index reading of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV rays.
Average temperature in September - Cabo San Lucas, Mexico
  • Average high temperature in September: 33°C

The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (25.4°C).

  • Average low temperature in September: 23.9°C

The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is February (12.7°C).

Average rainfall in September - Cabo San Lucas, Mexico
  • Average rainfall in September: 82.3mm

The wettest month (with the highest rainfall) is September (82.3mm).
The driest month (with the lowest rainfall) is June (0mm).

Average rainfall days in September - Cabo San Lucas, Mexico
  • Average rainfall days in September: 3.3 days

The month with the highest number of rainy days is September (3.3 days).
The month with the lowest number of rainy days is June (0 days).

Average sea temperature in September - Cabo San Lucas, Mexico
  • Average sea temperature in September: 29.5°C

The best month for swimming (with the highest average sea temperature) is September (29.5°C).
The coldest month (with the lowest average sea temperature) is March (21.4°C).

Average daylight in September / Average sunshine in September - Cabo San Lucas, 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

The month with most sunshine is May (Average sunshine: 9h).
Months with least sunshine are January, July, August, September and December (Average sunshine: 7).

Average UV index in September - Cabo San Lucas, 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).