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September Weather in San Antero, Colombia

Last updated: August 23, 2025

In September, the average temperature in San Antero, Colombia hovers around 28°C (83°F), making it a warm destination. Expect a minimum temperature of 23°C (74°F) and highs reaching up to 34°C (93°F). However, prepare for a wet month with average precipitation totaling 214 mm (8.4 in) over 28 days and humidity levels peaking at a steamy 87%.

September Temperature in San Antero

In September in San Antero, the average temperature is 28°C (83°F), with maximums reaching 34°C (93°F) and minimums dropping to as low as 23°C (74°F). This warm climate makes it an ideal destination for travelers seeking pleasant weather and outdoor activities.

September Weather in San Antero: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Antero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antero, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec838484848383838382828283
Data source: Temperature data for San Antero 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 Antero

In San Antero in September, the total precipitation amount is 214 mm (8.4 in) over a span of 28 days.

September Precipitation Trends in San Antero

The chart displays monthly precipitation patterns in San Antero, 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 Antero, September typically receives around 214 mm (8.4 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec2683413125523321320221421817459
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Antero

In San Antero in September humidity is 87%. With an average temperature of 28°C (83°F), this humidity feels like you're enveloped in a warm, sticky blanket, making outdoor activities slightly uncomfortable and travel plans require frequent breaks for hydration and respite from the heat.

September Average Humidity in San Antero

This chart illustrates the average monthly humidity levels in San Antero, 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 Antero is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%67%65%67%79%87%88%87%87%86%86%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Antero

In San Antero 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 Antero.

Maximum UV Index Levels in San Antero for September

The chart shows the monthly maximum UV Index (UVI) for San Antero 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 Antero typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111213151413131313131110
Data source: San Antero 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 Antero Compares to Other Months

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

This table compares monthly weather conditions in San Antero, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)26 mm (1.0 inches)70%extreme
February Weather29°C (84°F)8 mm (0.3 inches)67%extreme
March Weather29°C (84°F)34 mm (1.4 inches)65%extreme
April Weather29°C (84°F)131 mm (5.1 inches)67%extreme
May Weather28°C (83°F)255 mm (10.1 inches)79%extreme
June Weather28°C (83°F)233 mm (9.2 inches)87%extreme
July Weather28°C (83°F)212 mm (8.4 inches)88%extreme
August Weather28°C (83°F)202 mm (7.9 inches)87%extreme
September Weather28°C (83°F)214 mm (8.4 inches)87%extreme
October Weather28°C (82°F)218 mm (8.6 inches)86%extreme
November Weather28°C (82°F)174 mm (6.9 inches)86%extreme
December Weather28°C (83°F)59 mm (2.3 inches)80%very high

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