San Agustinillo Weather in September

In San Agustinillo, September brings high daytime temperatures around 29°C (84°F), with nights cooling to 25°C (77°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in San Agustinillo in September

As part of the rainy season, San Agustinillo sees around 9 days of rain in September, with an average of 630 mm (25 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.

Temperature in San Agustinillo in September

September in San Agustinillo sees highs of 29°C (84°F) and lows of 25°C (77°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.

Sunshine in San Agustinillo in September

The month brings about 152 hours of sunlight, offering a comfortable mix of sun and rainy moments.

Average water temperature in September

The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit San Agustinillo. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
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• May
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• October
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• December

For a detailed overview over the year and the best time to visit Mexico, check out our San Agustinillo's climate page.

San Agustinillo Temperature in September

Min Temperature 25°C (77°F)  

Max Temperature 29°C (84°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 31%  

Precipitation 630 mm (25 in)  

Rainy days 9 days  

Sunshine 152 hours *  

Percentage Sunshine *  

What to Wear in San Agustinillo in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in San Agustinillo in September

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Mexico, check out our San Agustinillo's climate page.

More climate data for San Agustinillo

Temperature Rainfall Sunshine Water Temp

See the full San Agustinillo climate overview or explore weather in Mexico.