September weather forecast
Panama City, Panama

September ushers in an increase in rainfall, marking it at 254mm (10") for Panama City. The cool, damp atmosphere sets the tone for the month, offering a refreshing contrast to the sunny days of the early year. However, sunlight duration, daylight hours, and the UV index stay consistent with August. Although a rainy month, September affords an excellent time to admire the lush tropical foliage and the green landscapes, appealing to the nature enthusiasts.

Temperature

September denotes a minimal variation in the average high-temperature to a still hot 32.9°C (91.2°F) from August's 33.9°C (93°F). In Panama City, the expected average low-temperature for September is an agreeable 21°C (69.8°F).

Rainfall

In Panama City, in September, it is raining for 17 days, with typically 254mm (10") of accumulated precipitation. Throughout the year, there are 131 rainfall days, and 1907mm (75.08") of precipitation is accumulated.

Sea temperature

In Panama City, in September, the average water temperature is 28.4°C (83.1°F).
Note: Swimming, diving, and other water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are highly enjoyable and provide prolonged comfort without unease.

Daylight

In Panama City, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:08 and sunset at 18:25. On the last day of September, in Panama City, Panama, sunrise is at 06:05 and sunset at 18:08 EST.

Sunshine

September has the least sunshine of the year, with an average of 3.3h of sunshine.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 12 translates into the following recommendations:
Utilize all vital precautions. Guarding against sun harm is non-negotiable. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout. Caution! The Sun's UV intensity grows with reflections off sand and water.