Trinidad Weather in September
What's the weather like in Trinidad (Sancti Spíritus) in September 2025?
The climate in Trinidad during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Trinidad and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (90°F), whilst at night 23°C (74°F) is normal.
| Daytime temperature | 32.5°C 90.4°F |
|---|---|
| Nightly temperature | 23.2°C 73.7°F |
| Average temperature | 27.8°C 82°F |
| Daily sunshine | 7.2 hrs |
| Avg rainfall | 208 mm 8.2 ins |
| Rainy days | 14 days |
| Sea temperature | 29.9°C 85.8°F |
| Humidity | 81% |
| Windspeed | 10.4kph 7 mph |
On average September is the wettest month of the year in Trinidad with around 208mm 8.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
September temperatures in Trinidad
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 Trinidad in September 2025.
Other monthly averages
Best places to visit in September
Trinidad weather stats
| Hottest month: | July | 32.8°C 91°F |
|---|---|---|
| Driest month: | December | 24mm 0.9ins |
| Sunniest month: | April | 8.9hrs |
| Coldest month: | January | 28.3°C 82.9°F |
| Wettest month: | September | 208mm 8.2ins |
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