Trinidad Weather in September
During September, Trinidad experiences very high daytime temperatures of 33°C (91°F) and cooler nights around 22°C (72°F). Expect quite a bit of rainfall. Around 106 mm (4.2 in) is typical.
Rainfall in Trinidad in September
Historically, September sees about 6 days of rain, with a monthly average of 106 mm (4.2 in). When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Trinidad in September
Daytime highs in Trinidad in September reach 33°C (91°F), with nights around 22°C (72°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With lows of 22°C (72°F), the nights are warm and generally comfortable. Although these are average temperatures, some days can be hotter. Wear cool, breathable clothing and protect yourself from the sun.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Trinidad. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bolivia, check out our Trinidad's climate page.
Trinidad Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
33°C (91°F)
Chance of Rain
19%
Precipitation
106 mm (4.2 in)
Rainy days
6 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Trinidad typically stay consistent throughout September, with daily highs averaging around 33°C (91°F). Nights are warm, with lows typically ranging from 19°C (66°F) to 21°C (70°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Trinidad in September
Browse day-by-day weather records for Trinidad spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Trinidad historical weather extremes in September
Based on weather observations in Trinidad between 2004 and 2025, these are the recorded extremes during September.
- On September 22, 2024, temperatures climbed to 39°C (102°F), marking the warmest September day on record.
- Trinidad registered its coldest September night on September 4, 2016, with temperatures dropping to 12°C (54°F).
- The heaviest September precipitation occurred on September 4, 2009, when 73 mm (2.9 in) of precipitation fell.
Best Places in Bolivia in September
Find out more about the weather in Bolivia and which places have the best travel conditions in this month. See all of Bolivia in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Trinidad in September
Get ready for hot weather in September! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Trinidad in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bolivia, check out our Trinidad's climate page.
See the full Trinidad climate overview or explore weather in Bolivia.
