September Weather in San Juan Nepomuceno, Colombia

Last updated: August 23, 2025

In September, the average temperature in San Juan Nepomuceno, Colombia is 27°C (82°F), with a comfortable minimum of 23°C (74°F) and a soaring maximum of 36°C (97°F). Expect an average humidity of 87%, contributing to a warm atmosphere. However, be prepared for 221 mm (8.7 in) of precipitation spread over 26 days, so don't forget your umbrella!

September Temperature in San Juan Nepomuceno

In September in San Juan Nepomuceno, the average temperature is 27°C (82°F), with maximums reaching 36°C (97°F) and minimums dropping to as low as 23°C (74°F). This warm climate makes San Juan Nepomuceno an ideal destination for travelers looking to enjoy sunny days and outdoor activities.

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

The chart illustrates September temperature patterns in San Juan Nepomuceno, 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 Nepomuceno, September typically has an average temperature of 27°C (82°F), with highs reaching up to 36°C (97°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec838584838282838281818183
Data source: Temperature data for San Juan Nepomuceno 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 Nepomuceno

In San Juan Nepomuceno in September, the total precipitation amount is 221 mm (8.7 in) spread over 26 days.

September Precipitation Trends in San Juan Nepomuceno

The chart displays monthly precipitation patterns in San Juan Nepomuceno, 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 Nepomuceno, September typically receives around 221 mm (8.7 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec2074112624217714521422122815943
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Juan Nepomuceno

In San Juan Nepomuceno in September, humidity is 87%. With an average temperature of 27°C (82°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and draining; it's essential to stay hydrated and take breaks in shaded areas to truly enjoy your exploration.

September Average Humidity in San Juan Nepomuceno

This chart illustrates the average monthly humidity levels in San Juan Nepomuceno, 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 Nepomuceno 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 Juan Nepomuceno

In San Juan Nepomuceno 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 Juan Nepomuceno.

Maximum UV Index Levels in San Juan Nepomuceno for September

The chart shows the monthly maximum UV Index (UVI) for San Juan Nepomuceno 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 Nepomuceno typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214151413121313131110
Data source: San Juan Nepomuceno 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 Nepomuceno Compares to Other Months

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

This table compares monthly weather conditions in San Juan Nepomuceno, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (84°F)20 mm (0.8 inches)70%extreme
February Weather29°C (85°F)7 mm (0.3 inches)67%extreme
March Weather29°C (85°F)41 mm (1.6 inches)65%extreme
April Weather28°C (83°F)126 mm (5.0 inches)67%extreme
May Weather28°C (82°F)242 mm (9.5 inches)79%extreme
June Weather28°C (83°F)177 mm (7.0 inches)87%extreme
July Weather28°C (83°F)145 mm (5.7 inches)88%extreme
August Weather28°C (82°F)214 mm (8.4 inches)87%extreme
September Weather27°C (82°F)221 mm (8.7 inches)87%extreme
October Weather27°C (81°F)227 mm (9.0 inches)86%extreme
November Weather27°C (81°F)159 mm (6.3 inches)86%extreme
December Weather28°C (83°F)43 mm (1.7 inches)80%very high

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