Monthly climate guide
Scarborough weather in September
September in Scarborough is typically hot, with average daytime highs around 29°C (84°F) and night-time lows near 28°C (83°F). The month usually brings about 143 mm of rain (wet) and is a mix of sun and cloud. Daytime highs are about the same as August and about the same as October.
What stands out in September
- It's humid — around 80% — so the heat feels heavier.
- Even after dark it stays around 28°C, so sleeping can feel warm.
- Days and nights are close, only about 1°C apart.
September is typically Scarborough's warmest month.
Avg high
29°C
84°F
Avg low
28°C
83°F
Rainfall
143 mm
wet
Humidity
80%
relative
Sky
52%
cloud · a mix of sun and cloud
Scarborough weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 27°C / 80°F | 26°C / 79°F | 70 mm | 78% | 44% |
| February | 27°C / 80°F | 26°C / 79°F | 44 mm | 78% | 46% |
| March | 27°C / 80°F | 26°C / 79°F | 44 mm | 78% | 51% |
| April | 27°C / 81°F | 27°C / 80°F | 49 mm | 79% | 59% |
| May | 28°C / 82°F | 27°C / 81°F | 94 mm | 80% | 63% |
| June | 28°C / 82°F | 27°C / 81°F | 166 mm | 82% | 66% |
| July | 28°C / 83°F | 27°C / 81°F | 148 mm | 81% | 51% |
| August | 29°C / 83°F | 28°C / 82°F | 170 mm | 81% | 51% |
| September | 29°C / 84°F | 28°C / 83°F | 143 mm | 80% | 52% |
| October | 29°C / 84°F | 28°C / 82°F | 186 mm | 81% | 62% |
| November | 28°C / 83°F | 28°C / 82°F | 199 mm | 81% | 63% |
| December | 28°C / 82°F | 27°C / 81°F | 163 mm | 79% | 50% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is September a good time to visit Scarborough?
Compare the months in the chart above to find your ideal window.
Best time to visit Scarborough →Other Trinidad and Tobago cities in September
Cite or embed this data
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Scarborough weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/trinidad-and-tobago/scarborough/september
<a href="https://weathercompare.eu/weather/trinidad-and-tobago/scarborough/september">Scarborough weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/trinidad-and-tobago/scarborough" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Scarborough weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/trinidad-and-tobago/scarborough/september">Scarborough weather in September</a> – WeatherCompare</p>
Scarborough in September: quick answers
Is September a good time to visit Scarborough?
September is one of the wetter months in Scarborough, with about 143 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Scarborough in September?
Average highs are about 29°C (84°F) and average lows about 28°C (83°F), based on 10 years of daily data.
Does it rain a lot in Scarborough in September?
Scarborough typically gets around 143 mm of rain in September — wet.
Figures are long-term averages for the area around Scarborough (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.