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Weather in Trinidad and Tobago for September 2025

Your guide to Trinidad and Tobago weather in September - trends and predictions
  • In general, the average temperature in Trinidad and Tobago at the beginning of September is 31.9 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 32.3 °C by the end of September.

  • Trinidad and Tobago experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.

  • Is September a good time to visit Trinidad and Tobago? check out the best time to travel to Trinidad and Tobago page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
33°/25°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Trinidad and Tobago in September average weather

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Temperatures trend during September in Trinidad and Tobago

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
30° /23° 14.5 mm 7
2 Sept. Patchy light rain with thunder
Patchy light rain with thunder
31° /23° 8.6 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
32° /24° 3.1 mm 7
4 Sept. Patchy rain possible
Patchy rain possible
32° /24° 1.5 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
33° /24° 0.1 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
33° /24° 0.9 mm 7
7 Sept. Light rain shower
Light rain shower
32° /24° 3.1 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
33° /24° 2.2 mm 7
9 Sept. Patchy rain possible
Patchy rain possible
33° /24° 3.9 mm 7
10 Sept. Patchy rain possible
Patchy rain possible
33° /24° 6.5 mm 7
11 Sept. Partly cloudy
Partly cloudy
32° /25° 12.8 mm 8
12 Sept. Cloudy
Cloudy
32° /25° 10.2 mm 7
13 Sept. Partly cloudy
Partly cloudy
33° /25° 0.1 mm 8
14 Sept. Partly cloudy
Partly cloudy
33° /25° 0.1 mm 8
15 Sept. Cloudy
Cloudy
34° /25° 1.3 mm 7
16 Sept. Patchy rain possible
Patchy rain possible
33° /24° 5.6 mm 7
17 Sept. Partly cloudy
Partly cloudy
33° /24° 5.6 mm 8
18 Sept. Patchy rain possible
Patchy rain possible
33° /24° 2.2 mm 7
19 Sept. Patchy rain possible
Patchy rain possible
33° /25° 1.3 mm 7
20 Sept. Light rain shower
Light rain shower
33° /25° 1.9 mm 7
21 Sept. Patchy light rain with thunder
Patchy light rain with thunder
33° /25° 7 mm 7
22 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /24° 11.6 mm 8
23 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /25° 4.9 mm 7
24 Sept. Patchy light drizzle
Patchy light drizzle
33° /25° 1.9 mm 7
25 Sept. Patchy light rain with thunder
Patchy light rain with thunder
33° /24° 7.2 mm 7
26 Sept. Light rain shower
Light rain shower
31° /25° 21.2 mm 7
27 Sept. Patchy light rain with thunder
Patchy light rain with thunder
32° /25° 3.4 mm 7
28 Sept. Patchy light drizzle
Patchy light drizzle
33° /24° 9.2 mm 7
29 Sept. Patchy rain possible
Patchy rain possible
32° /25° 1.3 mm 7
30 Sept. Light rain shower
Light rain shower
32° /24° 2.8 mm 7
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Important Notice
Our weather forecast for Trinidad and Tobago in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Trinidad and Tobago forecast closer to your planned date for the most up-to-date weather information.

Guide for Trinidad and Tobago in September

In September, Trinidad and Tobago experiences warm and humid weather with occasional rainfall. At the beginning of the month, the islands typically have daytime temperatures around 31° and nighttime temperatures around 24°.

The weather is generally sunny with some brief showers, and the sea temperature remains warm and inviting for beachgoers and water sports enthusiasts.

Toward the end of September, the islands may experience an increase in rainfall as the wet season progresses. Daytime temperatures remain around 31°, while nighttime temperatures may slightly decrease to around 23°.

The humidity levels can be high, and there is a possibility of short, heavy downpours, particularly in the late afternoons or evenings.

Overall, September in Trinidad and Tobago offers warm and tropical weather, making it an ideal destination for those seeking a relaxing beach vacation or looking to explore the vibrant local culture.

However, visitors should be prepared for the possibility of intermittent rain showers and high humidity, especially toward the end of the month.

Trinidad and Tobago in September - FAQ

Is September a good time to visit Trinidad and Tobago?
You can travel to Trinidad and Tobago in September, but there are probably better months doing so, read more about the best time to visit Trinidad and Tobago
What are the expected maximum and minimum temperatures in Trinidad and Tobago during September?
During September, expect a variety of temperatures with highs around 33° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Trinidad and Tobago during September?
Significant rainfall exceeding 119.1 mm is expected in Trinidad and Tobago during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Trinidad and Tobago during September?
The average wind speed in Trinidad and Tobago during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Trinidad and Tobago in September?

As you prepare for your trip to Trinidad and Tobago in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Trinidad and Tobago, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips
    • Insect Repellent: For destinations with mosquitos or other insects

September rainfall patterns in Trinidad and Tobago

Explore the daily rainfall trends and prepare for Trinidad and Tobagos September weather 💧

UV exposure in Trinidad and Tobago during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Trinidad and Tobago?

Get accurate weather forecasts for Trinidad and Tobago, located at latitude 10.28 and longitude -61.446. Stay updated with localized weather information tailored for Trinidad and Tobago.

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