Bethel Weather in September
September in Bethel sees daytime temperatures around 30°C (86°F) and lows of 27°C (81°F) at night. With around 166 mm (6.5 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Bethel in September
Typically, about 18 days will experience rainfall, with an average of 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 Bethel in September
Expect highs of 30°C (86°F) in Bethel in September, with nights dropping to around 27°C (81°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.September in Bethel has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Trinidad & Tobago, check out our Bethel's climate page.
Bethel 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
Daily Historical Temperatures
44-year average (1978-2025)
Based on our historical records, temperatures in Bethel 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 for Bethel in September
Browse day-by-day weather records for Bethel spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bethel historical weather extremes in September
Based on 35 years of weather observations in Bethel between 1990 and 2025, these are the recorded extremes.
- Bethel recorded its highest September temperature of 33°C (91°F) on September 24, 2024.
- The lowest daytime temperature in September was 26°C (79°F), recorded on September 7, 1994.
- Nighttime temperatures dropped to 22°C (72°F) on September 16, 2011, marking the coldest September night on record.
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
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tolerable
unpleasant
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What to Wear in Bethel in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Bethel 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 Trinidad & Tobago, check out our Bethel's climate page.
See the full Bethel climate overview or explore weather in Trinidad & Tobago.
