The climate in Río Viejo during September can be summarized as very hot, humid and very wet.
September is in the fall / autumn in Río Viejo and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 23°C (74°F) is normal.
Daytime temperature | 33°C 91.3°F |
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Nightly temperature | 23.3°C 73.9°F |
Average temperature | 28.1°C 82.6°F |
Daily sunshine | 6 hrs |
Avg rainfall | 315 mm 12.4 ins |
Rainy days | 13 days |
Sea temperature | 28.9°C 84.1°F |
Humidity | 80% |
Windspeed | 12.2kph 8 mph |
On average September is the 2nd wettest month of the year in Río Viejo with around 315mm 12.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
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 Río Viejo in September 2024.
Best places to visit in September
Hottest month: | March | 34.2°C 93.6°F |
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Driest month: | January | 25mm 1ins |
Sunniest month: | January | 7.4hrs |
Coldest month: | October | 31.8°C 89.2°F |
Wettest month: | October | 453mm 17.8ins |