September Weather in Santa Ana Amatlan, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santa Ana Amatlan, Mexico hovers around 24°C (75°F). Expect mild evenings with a minimum of 18°C (65°F), while the highs can reach up to 32°C (89°F). However, be prepared for the rain! With an average precipitation of 396 mm (15.6 in) spread over 27 days, you'll experience a distinctly humid atmosphere, with humidity levels averaging around 83%.

September Temperature in Santa Ana Amatlan

In September in Santa Ana Amatlan, the average temperature is 24°C (75°F). Maximums can reach 32°C (89°F) and minimums can be as low as 18°C (65°F). This pleasant climate makes it an ideal destination for outdoor activities and exploration.

September Weather in Santa Ana Amatlan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Ana Amatlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Ana Amatlan, September typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (89°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec717378808177777675757270
Data source: Temperature data for Santa Ana Amatlan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Santa Ana Amatlan

In Santa Ana Amatlan in September, the total precipitation amount is 396 mm (15.6 in), which falls over the course of 27 days.

September Precipitation Trends in Santa Ana Amatlan

The chart displays monthly precipitation patterns in Santa Ana Amatlan, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Santa Ana Amatlan, September typically receives around 396 mm (15.6 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec232060318344445396231432
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Ana Amatlan

In Santa Ana Amatlan in September, humidity is 83%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket enveloping you, which can be quite stifling for traveling. You may find yourself frequently seeking shade or air conditioning, and it's wise to stay hydrated while exploring.

September Average Humidity in Santa Ana Amatlan

This chart illustrates the average monthly humidity levels in Santa Ana Amatlan, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Santa Ana Amatlan is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%65%59%60%67%80%81%83%83%80%77%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Ana Amatlan

In Santa Ana Amatlan in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Santa Ana Amatlan.

Maximum UV Index Levels in Santa Ana Amatlan for September

The chart shows the monthly maximum UV Index (UVI) for Santa Ana Amatlan in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Santa Ana Amatlan typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313141313131198
Data source: Santa Ana Amatlan September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Santa Ana Amatlan Compares to Other Months

Weather in Santa Ana Amatlan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Santa Ana Amatlan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Santa Ana Amatlan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)2 mm (0.1 inches)70%very high
February Weather23°C (74°F)3 mm (0.1 inches)65%extreme
March Weather25°C (78°F)2 mm (0.1 inches)59%extreme
April Weather27°C (80°F)0 mm (0.0 inches)60%extreme
May Weather27°C (81°F)60 mm (2.4 inches)67%extreme
June Weather25°C (78°F)318 mm (12.5 inches)80%extreme
July Weather25°C (77°F)344 mm (13.5 inches)81%extreme
August Weather24°C (76°F)445 mm (17.5 inches)83%extreme
September Weather24°C (75°F)396 mm (15.6 inches)83%extreme
October Weather24°C (75°F)231 mm (9.1 inches)80%extreme
November Weather22°C (73°F)43 mm (1.7 inches)77%very high
December Weather21°C (70°F)2 mm (0.1 inches)76%very high

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