September weather forecast
Panama

September in Panama continues the trend of the rainy season, exhibiting high levels of precipitation. The average rainfall during September is quite significant, often exceeding 240mm (9.45"). However, similar to previous months, this rainfall typically presents itself in the form of brief, heavy showers, particularly during the afternoons and late evenings. The temperatures in September remain warm, generally varying between 24°C (75.2°F) to 30°C (86°F).

In Panama City, the climate aligns with the broader national trends, experiencing similar levels of rainfall and temperature. The city sees daytime temperatures frequently reaching up to 30°C (86°F), ensuring warm and sunny mornings, while the evenings are slightly cooler, averaging 24°C (75.2°F).

The highland regions such as Boquete and El Valle de Anton maintain their cooler and more temperate climate. September temperatures in these regions typically range from 19°C (66.2°F) to 25°C (77°F), providing a refreshing contrast to the hotter conditions in the coastal and lowland areas.

Compared to August, September's weather remains largely similar, featuring high levels of rainfall and warm temperatures throughout the month. As such, there are no significant shifts between these two months, with September remaining deeply immersed in the characteristics of Panama's rainy season.

September does not generally witness any extreme weather conditions. However, it is known for its high levels of rainfall. Despite the heavy rain, mornings often stay clear, allowing for outdoor activities and exploration. Therefore, visitors during September can still enjoy Panama's diverse natural landscapes and rich cultural heritage, bearing in mind that afternoon and evening showers are common and should be factored into any planned activities.

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• Panama City - September »
  In Panama City in September, during 17 rainfall days, 254mm (10") of precipitation is typically accumulated. On the last day of September, in Panama City sunrise is at 06:05 and sunset at 18:08 EST.
• San Miguelito - September »
  With an average sea temperature of 29.3°C (84.7°F), September is the month with the warmest seawater in San Miguelito. With an average sea temperature of 29.3°C (84.7°F), September is the month with the warmest seawater in San Miguelito.
• Tocumen - September »
  In Tocumen, in September, during 28.8 rainfall days, 188mm (7.4") of precipitation is typically accumulated. The arrival of September in Tocumen sees a recorded average high-temperature of a still moderately hot 29°C (84.2°F), showing little divergence from the previous month's conditions.
• David - September »
  The month with the most rainfall in David, Panama, is September, when 407mm (16.02") of precipitation is typically aggregated. In September, the average heat index, which takes the relative humidity and factors it into the air temperature reading, is estimated at 45°C (113°F).
• Arraiján - September »
  In Arraiján in September, during 28 rainfall days, 182mm (7.17") of precipitation is typically accumulated. In September, the city of Arraiján experiences a transitional phase in its weather manifestations from a flurry of rain to more stable conditions.
• Colon - September »
  With an average sea temperature of 29.3°C (84.7°F), September is the month with the warmest seawater in Colon. On the last day of September, in Colon, sunrise is at 06:08 and sunset at 18:10 EST.
• Las Cumbres - September »
  In Las Cumbres during September, the rain falls for 24.4 days and regularly aggregates up to 161mm (6.34") of precipitation. The average relative humidity in September in Las Cumbres, Panama, is 86%.
• Chilibre - September »
  September witnesses a marked decrease in rainfall to 161mm (6.34"), leading to a subtle decline in humidity in Chilibre, Panama. In Chilibre in September, during 24.4 rainfall days, 161mm (6.34") of precipitation is typically accumulated.
• Chitre - September »
  The months with the highest UV index in Chitre are January through September, November and December, with an average maximum UV index of 7. On the last day of September, in Chitre, sunrise is at 06:09 and sunset at 18:13 EST.