Huatulco
Mexico
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Huatulco, Mexico

The first month of the autumn, September, is also a hot month in Huatulco, Mexico, with temperature in the range of an average high of 34°C (93.2°F) and an average low of 22°C (71.6°F).

Temperature

In Huatulco, the average high-temperature is almost the same as in August - a tropical 34°C (93.2°F). The average low-temperature, in September, is 22°C (71.6°F).

Rainfall

In Huatulco, it is raining for 7 days, with typically 174mm (6.9") of accumulated precipitation. In Huatulco, Mexico, during the entire year, the rain falls for 31 days and collects up to 704mm (27.7") of precipitation.

Sea temperature

In Huatulco, the average seawater temperature is 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

In September, the average length of the day in Huatulco is 12.2h.

Sunshine

The month with the least sunshine in Huatulco is September, with an average of 5h of sunshine.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 12 in September transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Huatulco?

In Huatulco, in September, the average high-temperature is 34°C (93.2°F), and the average low-temperature is 22°C (71.6°F).

How much does it rain in Huatulco in September?

In September, in Huatulco, the rain falls for 7 days. Throughout September, 174mm (6.9") of precipitation is accumulated.

What is the sea water temperature in September in Huatulco?

In Huatulco, Mexico, the average seawater temperature in September 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 Huatulco?

The average length of the day in September in Huatulco, Mexico, is 12.2h.

What is the month with the least sunshine in Huatulco?

With an average of 5h of sunshine, September has the least sunshine of the year in Huatulco.

How long on average sun shines in September in Huatulco?

In September, the average sunshine in Huatulco is 5h.

What are the months with the highest UV index in Huatulco?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Huatulco.

What is the UV index reading in September in Huatulco?

The average daily maximum UV index in September in Huatulco is 12. A UV Index value of 11, and more, symbolizes an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in September - Huatulco, Mexico
  • Average high temperature in September: 34°C

Warmest months (with the highest average high temperature) are April, May and August (35°C).
Months with the lowest average high temperature are January, February, November and December (33°C).

  • Average low temperature in September: 22°C

Months with the highest average low temperature are May and June (23°C).
Coldest months (with the lowest average low temperature) are January, February and December (19°C).

Average rainfall in September - Huatulco, Mexico
  • Average rainfall in September: 174mm

The wettest month (with the highest rainfall) is June (176mm).
Driest months (with the lowest rainfall) are February, March, April and December (1mm).

Average rainfall days in September - Huatulco, Mexico
  • Average rainfall days in September: 7 days

Months with the highest number of rainy days are June and September (7 days).
Months with the lowest number of rainy days are January, February, March, April, November and December (0 days).

Average sea temperature in September - Huatulco, Mexico
  • Average sea temperature in September: 29°C

Best months for swimming (with the highest average sea temperature) are June, July and August (30°C).
Coldest months (with the lowest average sea temperature) are January, February and December (27°C).

Average daylight in September / Average sunshine in September - Huatulco, Mexico
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13.1h).
The month with shortest days is December (Average daylight: 11.2h).

  • Average sunshine in September: 5h

Months with most sunshine are February and March (Average sunshine: 9h).
The month with least sunshine is September (Average sunshine: 5h).

Average UV index in September - Huatulco, Mexico
  • Average UV index in September: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).