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September Weather in San Juan Bautista, Panama

Last updated: August 27, 2025

In September, the average temperature in San Juan Bautista, Panama hovers around 27°C (80°F), with minimums dropping to 22°C (73°F) and climbing to a maximum of 34°C (93°F). Be prepared for significant rainfall, as 329 mm (13.0 in) of precipitation is spread over 29 days, and don't forget the humidity—averaging a sultry 78%!

September Temperature in San Juan Bautista

In September in San Juan Bautista, the average temperature is 27°C (80°F). Maximum temperatures can reach 34°C (93°F), while minimums can dip to as low as 22°C (73°F). This makes San Juan Bautista an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates September temperature patterns in San Juan Bautista, 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 Bautista, September typically has an average temperature of 27°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec818282838281818080807980
Data source: Temperature data for San Juan Bautista 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 Bautista

In San Juan Bautista in September, the total precipitation amount is 329 mm (13.0 in) over the course of 29 days.

September Precipitation Trends in San Juan Bautista

The chart displays monthly precipitation patterns in San Juan Bautista, 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 Bautista, September typically receives around 329 mm (13.0 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec23467431130730528832938128684
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Juan Bautista

In San Juan Bautista in September, humidity is 78%. With an average temperature of 27°C (80°F), this humidity feels like a heavy blanket enveloping you, making travel feel more exhausting and sweat-inducing than usual.

September Average Humidity in San Juan Bautista

This chart illustrates the average monthly humidity levels in San Juan Bautista, 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 Bautista is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%74%76%78%83%80%79%78%77%79%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Juan Bautista

In San Juan Bautista 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 Bautista.

Maximum UV Index Levels in San Juan Bautista for September

The chart shows the monthly maximum UV Index (UVI) for San Juan Bautista 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 Bautista typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151513131313131210
Data source: San Juan Bautista 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 Bautista Compares to Other Months

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

This table compares monthly weather conditions in San Juan Bautista, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)23 mm (0.9 inches)76%extreme
February Weather28°C (82°F)3 mm (0.1 inches)75%extreme
March Weather28°C (83°F)6 mm (0.2 inches)74%extreme
April Weather28°C (84°F)74 mm (2.9 inches)76%extreme
May Weather28°C (82°F)311 mm (12.3 inches)78%extreme
June Weather27°C (81°F)307 mm (12.1 inches)83%extreme
July Weather27°C (81°F)305 mm (12.0 inches)79%extreme
August Weather27°C (81°F)288 mm (11.4 inches)79%extreme
September Weather27°C (80°F)329 mm (13.0 inches)78%extreme
October Weather27°C (80°F)381 mm (15.0 inches)77%extreme
November Weather26°C (80°F)286 mm (11.3 inches)79%extreme
December Weather27°C (80°F)84 mm (3.3 inches)79%very high

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