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September Weather in San Juan de Rioseco, Colombia

Last updated: August 23, 2025

The average temperature in San Juan de Rioseco, Colombia during September is a comfortable 21°C (70°F). Expect minimums around 15°C (60°F) and maximums peaking at 28°C (83°F). However, be prepared for some rain, as the region experiences an average precipitation amount of 306 mm (12.0 in) over 26 days. With an average humidity of 64%, it’s advisable to stay hydrated and enjoy the pleasant climate!

September Temperature in San Juan de Rioseco

In September in San Juan de Rioseco, the average temperature is 21°C (70°F). Maximum temperatures can reach 28°C (83°F), while minimums can dip as low as 15°C (60°F). This makes it an ideal time for travelers to enjoy pleasant weather and outdoor activities.

September Weather in San Juan de Rioseco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Juan de Rioseco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan de Rioseco, September typically has an average temperature of 21°C (70°F), with highs reaching up to 28°C (83°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec707170707070707070707070
Data source: Temperature data for San Juan de Rioseco 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 Juan de Rioseco

In San Juan de Rioseco in September, the precipitation amount is 306 mm (12.0 in) occurring over 26 days.

September Precipitation Trends in San Juan de Rioseco

The chart displays monthly precipitation patterns in San Juan de Rioseco, 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 Juan de Rioseco, September typically receives around 306 mm (12.0 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec101140319472603443412313306382230131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Juan de Rioseco

In San Juan de Rioseco in September humidity is 64%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for traveling during the day, albeit slightly sticky in the afternoons.

September Average Humidity in San Juan de Rioseco

This chart illustrates the average monthly humidity levels in San Juan de Rioseco, 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 Juan de Rioseco is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%46%50%64%85%92%89%73%64%68%73%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Juan de Rioseco

In San Juan de Rioseco in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Juan de Rioseco, you can check here.

Maximum UV Index Levels in San Juan de Rioseco for September

The chart shows the monthly maximum UV Index (UVI) for San Juan de Rioseco 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 Juan de Rioseco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141416161514141414141312
Data source: San Juan de Rioseco 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 Juan de Rioseco Compares to Other Months

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

This table compares monthly weather conditions in San Juan de Rioseco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)101 mm (4.0 inches)51%extreme
February Weather22°C (71°F)140 mm (5.5 inches)46%extreme
March Weather21°C (70°F)319 mm (12.6 inches)49%extreme
April Weather21°C (70°F)471 mm (18.6 inches)63%extreme
May Weather21°C (70°F)603 mm (23.7 inches)85%extreme
June Weather21°C (70°F)443 mm (17.4 inches)92%extreme
July Weather21°C (70°F)412 mm (16.2 inches)89%extreme
August Weather21°C (70°F)313 mm (12.3 inches)73%extreme
September Weather21°C (70°F)306 mm (12.0 inches)64%extreme
October Weather21°C (70°F)382 mm (15.0 inches)67%extreme
November Weather21°C (70°F)230 mm (9.0 inches)73%extreme
December Weather21°C (70°F)131 mm (5.2 inches)66%extreme

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