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September Weather in San Joaquin, Colombia

Last updated: August 23, 2025

In San Joaquin, Colombia, the average temperature in September hovers around 16°C (61°F), with a minimum of 6°C (43°F) and a maximum reaching 25°C (77°F). Expect a considerable amount of rain, with 394 mm (15.5 in) of precipitation spread over 29 days. The average humidity is also high, at 78%, making for a typically damp and mild atmosphere.

September Temperature in San Joaquin

In September in San Joaquin, the average temperature is 16°C (61°F), with maximums reaching 25°C (77°F) and minimums dropping as low as 6°C (43°F). This mild climate makes it a great time for travelers to explore the outdoors comfortably.

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

The chart illustrates September temperature patterns in San Joaquin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Joaquin, September typically has an average temperature of 16°C (61°F), with highs reaching up to 25°C (77°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec626262626262626161616162
Data source: Temperature data for San Joaquin 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 Joaquin

In San Joaquin in September, the precipitation amount is 394 mm (15.5 in) spread over 29 days, indicating a significant level of rainfall for that period.

September Precipitation Trends in San Joaquin

The chart displays monthly precipitation patterns in San Joaquin, 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 Joaquin, September typically receives around 394 mm (15.5 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec133138343433551549480436394446359158
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Joaquin

In San Joaquin in September, humidity is 78%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as it clings to your skin and creates a heavy atmosphere that can drain your energy.

September Average Humidity in San Joaquin

This chart illustrates the average monthly humidity levels in San Joaquin, 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 Joaquin is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%47%45%54%81%88%88%82%78%83%84%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Joaquin

In San Joaquin in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Joaquin.

Maximum UV Index Levels in San Joaquin for September

The chart shows the monthly maximum UV Index (UVI) for San Joaquin 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 Joaquin typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141618181615151515151313
Data source: San Joaquin 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 Joaquin Compares to Other Months

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

This table compares monthly weather conditions in San Joaquin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (62°F)133 mm (5.2 inches)52%extreme
February Weather17°C (63°F)138 mm (5.4 inches)47%extreme
March Weather17°C (62°F)343 mm (13.5 inches)45%extreme
April Weather17°C (62°F)433 mm (17.1 inches)54%extreme
May Weather17°C (63°F)551 mm (21.7 inches)81%extreme
June Weather17°C (62°F)549 mm (21.6 inches)88%extreme
July Weather17°C (62°F)480 mm (18.9 inches)88%extreme
August Weather16°C (62°F)436 mm (17.2 inches)82%extreme
September Weather16°C (61°F)394 mm (15.5 inches)78%extreme
October Weather16°C (61°F)446 mm (17.6 inches)83%extreme
November Weather16°C (62°F)359 mm (14.1 inches)83%extreme
December Weather17°C (62°F)158 mm (6.2 inches)70%extreme

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