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Black Rock Weather in September
September in Black Rock brings high temperatures, with highs of 30°C (86°F) and nights dropping to 27°C (81°F). Rainfall is on the higher side this month, averaging around 166 mm (6.5 in), so keep a rain jacket handy.
Rainfall in Black Rock in September
Looking at the last 30 years, the data shows about 18 days with rain, averaging 166 mm (6.5 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Black Rock in September
September in Black Rock sees highs of 30°C (86°F) and lows of 27°C (81°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April and May typically offer the best weather for Black Rock.
Black Rock Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
61%
Precipitation
166 mm (6.5 in)
Rainy days
18 days
Black Rock Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Black Rock - and find the best time to visit.
Daily Historical Temperatures
44-year average (1978-2025)
Based on our historical records, temperatures in Black Rock typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Historical weather records for Black Rock in September
Browse day-by-day weather records for Black Rock spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Black Rock historical weather extremes in September
Based on 36 years of weather observations (1990-2026), these are the most extreme conditions recorded in Black Rock.
- Black Rock recorded its highest September temperature of 33°C (91°F) on September 24, 2024.
- The coldest September day was on September 7, 1994, with a maximum of 26°C (79°F).
- The lowest overnight temperature recorded in September was 22°C (72°F) (September 16, 2011).
Best Places in Trinidad & Tobago in September
Find out more about the weather in Trinidad & Tobago and which places have the best travel conditions in this month. See all of Trinidad & Tobago in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Black Rock in September
Warm but pleasant conditions in Black Rock in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.
What To Do in Black Rock in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Black Rock 3-Day Forecast
More climate data for Black Rock
See the full Black Rock climate overview or explore weather in Trinidad & Tobago.
Popular in September
Where to go in September - average daytime high across popular destinations.
San Juan
30°C (86°F) Piarco31°C (88°F) Port-of-Spain
30°C (86°F) Crown Point
30°C (86°F) Castara30°C (86°F) Buccoo30°C (86°F) Scarborough30°C (86°F) Bon Accord Village30°C (86°F) Bucket list
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