September weather forecast
Balboa, Panama

Weather in September marks a slight easing in the rainy season for Balboa, Panama, with a decrease in rainfall to 182mm (7.17") compared to the previous month. Temperatures begin to cool slightly, along with sunlight hours reducing, marking the transition towards the year-end. However, humidity levels remain constant, ensuring the tropical feel continues. Breezy conditions persist due to the wind, providing a smidgen of freshness. The UV index remains steady, indicating the need for continuous sun protection.

Temperature

On the advent of September, Balboa's average high-temperature exhibits a minor adjustment to a still warm 28.9°C (84°F) from August's 29°C (84.2°F). Throughout September, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 24.3°C (75.7°F).

Heat index

During September, the heat index is appraised at a sweltering 36°C (96.8°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in September is 85%.

Rainfall

In September, in Balboa, the rain falls for 28 days. Throughout September, 182mm (7.17") of precipitation is accumulated. In Balboa, Panama, during the entire year, the rain falls for 294.6 days and collects up to 1899mm (74.76") of precipitation.

Daylight

In Balboa, Panama, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:09 and sunset at 18:26. On the last day of September, in Balboa, sunrise is at 06:06 and sunset at 18:09 EST.

Sunshine

The average sunshine in September is 8.1h.

UV index

The months with the highest UV index in Balboa are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Balboa are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 7 during September leads to these advisories:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.