September Weather in San Antonio del Monte, El Salvador

Last updated: August 23, 2025

In September, the average temperature in San Antonio del Monte, El Salvador hovers around 25°C (77°F), providing a warm atmosphere for visitors. Temperatures can range from a cozy 21°C (70°F) to a balmy 31°C (88°F). However, be prepared for some wet weather, as the region experiences an average precipitation of 391 mm (15.4 in) over the course of 30 days. With an average humidity level of 77%, it’s a perfect time to enjoy the lush surroundings while staying hydrated!

September Temperature in San Antonio del Monte

In September in San Antonio del Monte, the average temperature is 25°C (77°F). Maximums can reach 31°C (88°F), while minimums can be as low as 21°C (70°F). This mild and comfortable weather makes San Antonio del Monte an ideal destination for travelers seeking pleasant conditions during their visit.

September Weather in San Antonio del Monte: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Antonio del Monte, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio del Monte, September typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (88°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec767778797877797877777776
Data source: Temperature data for San Antonio del Monte 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 San Antonio del Monte

In San Antonio del Monte in September, the total precipitation amount is 391 mm (15.4 in) accumulated over a period of 30 days.

September Precipitation Trends in San Antonio del Monte

The chart displays monthly precipitation patterns in San Antonio del Monte, 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 San Antonio del Monte, September typically receives around 391 mm (15.4 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec7714713103702083313913897311
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Antonio del Monte

In San Antonio del Monte in September, humidity is 77%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly heavy but still pleasant, as long as you stay hydrated and take frequent breaks in the shade.

September Average Humidity in San Antonio del Monte

This chart illustrates the average monthly humidity levels in San Antonio del Monte, 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 San Antonio del Monte is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Antonio del Monte

In San Antonio del Monte 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 San Antonio del Monte.

Maximum UV Index Levels in San Antonio del Monte for September

The chart shows the monthly maximum UV Index (UVI) for San Antonio del Monte 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 San Antonio del Monte typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131312109
Data source: San Antonio del Monte 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 San Antonio del Monte Compares to Other Months

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

This table compares monthly weather conditions in San Antonio del Monte, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)7 mm (0.3 inches)63%extreme
February Weather25°C (77°F)7 mm (0.3 inches)62%extreme
March Weather26°C (79°F)14 mm (0.6 inches)59%extreme
April Weather26°C (79°F)70 mm (2.8 inches)59%extreme
May Weather26°C (79°F)310 mm (12.2 inches)59%extreme
June Weather25°C (78°F)370 mm (14.6 inches)68%extreme
July Weather26°C (79°F)208 mm (8.2 inches)77%extreme
August Weather25°C (78°F)331 mm (13.0 inches)79%extreme
September Weather25°C (77°F)391 mm (15.4 inches)77%extreme
October Weather25°C (77°F)389 mm (15.3 inches)77%extreme
November Weather25°C (77°F)73 mm (2.9 inches)75%very high
December Weather25°C (76°F)11 mm (0.4 inches)66%very high

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