Río Segundo Weather in September
What's the weather like in Río Segundo (Alajuela) in September 2024?
The climate in Río Segundo during September can be summarized as warm, humid and very wet.
September is in the fall / autumn in Río Segundo and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 24°C (75°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 24.1°C 75.4°F |
|---|---|
| Nightly temperature | 16.7°C 62.1°F |
| Average temperature | 20.4°C 68.7°F |
| Daily sunshine | 6.2 hrs |
| Avg rainfall | 464 mm 18.3 ins |
| Rainy days | 24 days |
| Sea temperature | 28.8°C 83.8°F |
| Humidity | 85% |
| Windspeed | 10.4kph 7 mph |
On average September is the 2nd wettest month of the year in Río Segundo with around 464mm 18.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
September temperatures in Río Segundo
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 Río Segundo in September 2024.
Other monthly averages
Best places to visit in September
Río Segundo weather stats
| Hottest month: | April | 25.2°C 77.4°F |
|---|---|---|
| Driest month: | March | 79mm 3.1ins |
| Sunniest month: | March | 7.5hrs |
| Coldest month: | January | 23°C 73.4°F |
| Wettest month: | October | 482mm 19ins |
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