Chalmeca Weather in September
What's the weather like in Chalmeca (Copán) in September 2025?
The climate in Chalmeca during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Chalmeca and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 29.1°C 84.4°F |
|---|---|
| Nightly temperature | 19.9°C 67.8°F |
| Average temperature | 24.5°C 76.1°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 303 mm 11.9 ins |
| Rainy days | 21 days |
| Sea temperature | 29.6°C 85.3°F |
| Humidity | 85% |
| Windspeed | 16.2kph 10 mph |
On average September is the 2nd wettest month of the year in Chalmeca with around 303mm 11.9 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 Chalmeca
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 Chalmeca in September 2025.
Other monthly averages
Best places to visit in September
Chalmeca weather stats
| Hottest month: | May | 30.8°C 87.4°F |
|---|---|---|
| Driest month: | March | 36mm 1.4ins |
| Sunniest month: | March | 8.1hrs |
| Coldest month: | January | 25.3°C 77.5°F |
| Wettest month: | June | 304mm 12ins |
© Google