Chiriquí Grande Weather in September
What's the weather like in Chiriquí Grande (Bocas del Toro) in September 2025?
The climate in Chiriquí Grande during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Chiriquí Grande and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 29°C (83°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 28.5°C 83.3°F |
|---|---|
| Nightly temperature | 22.5°C 72.5°F |
| Average temperature | 25.5°C 77.9°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 269 mm 10.6 ins |
| Rainy days | 21 days |
| Sea temperature | 28.6°C 83.5°F |
| Humidity | 86% |
| Windspeed | 7.6kph 5 mph |
On average September is the 6th driest month of the year in Chiriquí Grande with around 269mm 10.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Chiriquí Grande
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Chiriquí Grande in September 2025.
Other monthly averages
Best places to visit in September
Chiriquí Grande weather stats
| Hottest month: | April | 29.4°C 84.9°F |
|---|---|---|
| Driest month: | February | 95mm 3.7ins |
| Sunniest month: | March | 8hrs |
| Coldest month: | December | 27.7°C 81.9°F |
| Wettest month: | October | 348mm 13.7ins |
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