September weather forecastColon, Panama
September
Weather in September
September ushers in a decrease in rainfall to 292mm (11.5"), indicating the start of the transition to the dry season. The sea temperature peaks, making the waters warmer compared to the previous month. Relative daylight hours decrease slightly, yet the pattern does not dramatically affect the climate. The weather remains predominantly tropical, albeit with less rainfall. September's temperatures are similar to those from August.Temperature
The months of May and September are noted for their peak temperatures in Colon, with an average high-temperature of 31°C (87.8°F).Rainfall
During September, Colon regularly aggregates up to 292mm (11.5") of precipitation. During the entire year, Colon aggregates up to 3466mm (136.46") of precipitation.Sea temperature
With an average sea temperature of 29.3°C (84.7°F), September is the month with the warmest seawater.Note: Swimming, diving, and other water activities in the temperature range of 25°C (77°F) to 29°C (84.2°F) are perceived as very enjoyable and comfortable for prolonged durations.
Daylight
In Colon, the average length of the day in September is 12h and 10min.On the first day of the month, sunrise is at 06:10 and sunset at 18:28. On the last day of September, in Colon, sunrise is at 06:08 and sunset at 18:10 EST.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Colon, Panama
- Average high temperature in September: 31°C
The warmest months (with the highest average high temperature) are May and September (31°C).
The months with the lowest average high temperature are January, February, March, July, August, November and December (29°C).
- Average low temperature in September: 24°C
The month with the highest average low temperature is April (25°C).
The coldest months (with the lowest average low temperature) are October and November (23°C).
Average rainfall in September
Colon, Panama
- Average rainfall in September: 292mm
The wettest month (with the highest rainfall) is November (620mm).
The driest month (with the least rainfall) is March (36mm).
Average sea temperature in September
Colon, Panama
- Average sea temperature in September: 29.3°C
The best month for swimming (with the highest average sea temperature) is September (29.3°C).
The coldest month (with the lowest average sea temperature) is February (26.7°C).
Average daylight in September
Colon, Panama
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).





