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September Weather in San Valentin, Panama

Last updated: August 27, 2025

In San Valentin, Panama, the average temperature for September is a pleasant 26°C (79°F). Visitors can expect a minimum of 24°C (76°F) and a maximum of 29°C (85°F). However, be prepared for plenty of rain, as the region sees an average precipitation of 338 mm (13.3 in) over 29 days, coupled with a high average humidity of 81%.

September Temperature in San Valentin

In September in San Valentin, the average temperature is 26°C (79°F), with maximums reaching 29°C (85°F) and minimums as low as 24°C (76°F). This mild and pleasant weather makes it an ideal time for exploring and enjoying outdoor activities.

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

The chart illustrates September temperature patterns in San Valentin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Valentin, September typically has an average temperature of 26°C (79°F), with highs reaching up to 29°C (85°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec808182818080797979797979
Data source: Temperature data for San Valentin 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 Valentin

In San Valentin in September, the total precipitation amount is 338 mm (13.3 in) over the course of 29 days.

September Precipitation Trends in San Valentin

The chart displays monthly precipitation patterns in San Valentin, 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 Valentin, September typically receives around 338 mm (13.3 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec543421124319310321391338479419132
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Valentin

In San Valentin in September, humidity is 81%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures stickier and more draining, yet still vibrant with life—perfect for exploring local culture, but you'll want to take frequent breaks and stay hydrated.

September Average Humidity in San Valentin

This chart illustrates the average monthly humidity levels in San Valentin, 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 Valentin is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%66%67%69%84%85%82%81%80%80%73%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Valentin

In San Valentin 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 Valentin, you can check here.

Maximum UV Index Levels in San Valentin for September

The chart shows the monthly maximum UV Index (UVI) for San Valentin 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 Valentin typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151413131314141210
Data source: San Valentin 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 Valentin Compares to Other Months

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

This table compares monthly weather conditions in San Valentin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)54 mm (2.1 inches)68%extreme
February Weather27°C (82°F)34 mm (1.3 inches)68%extreme
March Weather28°C (82°F)21 mm (0.8 inches)66%extreme
April Weather27°C (81°F)124 mm (4.9 inches)67%extreme
May Weather27°C (80°F)319 mm (12.6 inches)69%extreme
June Weather26°C (80°F)310 mm (12.2 inches)84%extreme
July Weather26°C (80°F)321 mm (12.6 inches)85%extreme
August Weather26°C (80°F)391 mm (15.4 inches)82%extreme
September Weather26°C (79°F)338 mm (13.3 inches)81%extreme
October Weather26°C (79°F)479 mm (18.9 inches)80%extreme
November Weather26°C (79°F)419 mm (16.5 inches)80%extreme
December Weather26°C (80°F)132 mm (5.2 inches)72%very high

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