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September Weather in San Cristobal, Panama

Last updated: August 27, 2025

In September, the average temperature in San Cristobal, Panama hovers around 27°C (81°F), with minimum temperatures dipping to 24°C (76°F) and maximums reaching up to 31°C (88°F). Be prepared for a wet month, as precipitation totals about 164 mm (6.5 in) spread over 26 days. With an average humidity level of 87%, the air can feel quite muggy, so dress accordingly!

September Temperature in San Cristobal

In September in San Cristobal, the average temperature is 27°C (81°F), with a maximum that can reach 31°C (88°F) and a minimum that can be as low as 24°C (76°F). This mild and pleasant climate makes San Cristobal an ideal destination for travelers seeking comfort and warmth during this time of year.

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

The chart illustrates September temperature patterns in San Cristobal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Cristobal, September typically has an average temperature of 27°C (81°F), with highs reaching up to 31°C (88°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878808181808081818079
Data source: Temperature data for San Cristobal 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 Cristobal

In San Cristobal in September, the precipitation amount is 164 mm (6.5 in) spread over 26 days.

September Precipitation Trends in San Cristobal

The chart displays monthly precipitation patterns in San Cristobal, 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 Cristobal, September typically receives around 164 mm (6.5 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec172122113162243217298212164316294220
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Cristobal

In San Cristobal in September, humidity is 87%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making traveling feel heavy and exhausting.

September Average Humidity in San Cristobal

This chart illustrates the average monthly humidity levels in San Cristobal, 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 Cristobal is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%71%69%70%73%90%89%87%87%86%86%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Cristobal

In San Cristobal 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 Cristobal, you can check here.

Maximum UV Index Levels in San Cristobal for September

The chart shows the monthly maximum UV Index (UVI) for San Cristobal 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 Cristobal typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151414141314141210
Data source: San Cristobal 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 Cristobal Compares to Other Months

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

This table compares monthly weather conditions in San Cristobal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)172 mm (6.8 inches)72%extreme
February Weather26°C (78°F)122 mm (4.8 inches)71%extreme
March Weather26°C (78°F)113 mm (4.5 inches)69%extreme
April Weather26°C (80°F)162 mm (6.4 inches)70%extreme
May Weather27°C (81°F)243 mm (9.5 inches)73%extreme
June Weather27°C (81°F)217 mm (8.5 inches)90%extreme
July Weather27°C (80°F)298 mm (11.7 inches)88%extreme
August Weather27°C (81°F)212 mm (8.4 inches)87%extreme
September Weather27°C (81°F)164 mm (6.5 inches)87%extreme
October Weather27°C (81°F)316 mm (12.4 inches)86%extreme
November Weather26°C (80°F)294 mm (11.6 inches)86%extreme
December Weather26°C (79°F)220 mm (8.7 inches)79%very high

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