Guayanilla Weather in September
What's the weather like in Guayanilla (Guayanilla) in September 2024?
The climate in Guayanilla during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Guayanilla and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 21°C (69°F) is normal.
| Daytime temperature | 28.3°C 82.9°F |
|---|---|
| Nightly temperature | 20.7°C 69.3°F |
| Average temperature | 24.5°C 76.1°F |
| Daily sunshine | 8.2 hrs |
| Avg rainfall | 292 mm 11.5 ins |
| Rainy days | 18 days |
| Sea temperature | 29°C 84.2°F |
| Humidity | 80% |
| Windspeed | 14.8kph 9 mph |
On average September is the wettest month of the year in Guayanilla with around 292mm 11.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
September temperatures in Guayanilla
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 Guayanilla in September 2024.
Other monthly averages
Best places to visit in September
Guayanilla weather stats
| Hottest month: | August | 28.1°C 82.6°F |
|---|---|---|
| Driest month: | February | 59mm 2.3ins |
| Sunniest month: | March | 9.5hrs |
| Coldest month: | January | 25°C 77°F |
| Wettest month: | September | 292mm 11.5ins |
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