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Trinidad and Tobago weather

Weather in Trinidad and Tobago for September 2025

Your guide to Trinidad and Tobago weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Trinidad and Tobago is slightly cooler than the historical average by -1.1 °C.

  • Expect cooler weather in the next days in Trinidad and Tobago with the forecast suggesting a temperature of 30.9 °C, lower than the historical average.

  • In general, the average temperature in Trinidad and Tobago at the beginning of September is 31.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 30 °C by the end of September.

    • Rain 🌧️

  • Trinidad and Tobago experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 156.1 mm.

Average dry days
4
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/25°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Trinidad and Tobago Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light rain shower
31°
2
Patchy light rain with thunder
31°
3
Patchy rain possible
32°
4
Patchy rain possible
32°
5
Patchy rain possible
32°
6
Patchy rain possible
32°
7
Light rain shower
32°
8
Patchy rain possible
33°
9
Patchy rain possible
33°
10
Patchy light drizzle
33°
11
Moderate or heavy rain shower
31°
12
Cloudy
32°
13
Partly cloudy
32°
14
Partly cloudy
32°
15
Patchy rain possible
33°
16
Patchy rain possible
32°
17
Patchy rain possible
33°
18
Patchy rain possible
32°
19
Moderate rain
32°
20
Moderate rain
31°
21
Patchy rain possible
32°
22
Patchy rain possible
32°
23
Patchy rain possible
30°
24
Moderate rain
27°
25
Patchy rain possible
31°
26
Partly cloudy
31°
27
Patchy rain possible
30°
28
Patchy rain possible
30°
29
Patchy rain possible
29°
30
Light rain shower
32°

What’s the Weather Like in Trinidad and Tobago This September?

Discover the average temperatures and weather trends across Trinidad and Tobago’s cities this September.
Patchy rain possibleMon Repos32 °C / 25 °CPatchy rain possiblePort of Spain31 °C / 25 °CPatchy rain possibleChaguanas31 °C / 25 °CPatchy rain possiblePrinces Town32 °C / 25 °CPatchy rain possibleTrinidad32 °C / 25 °CMore Locations

Temperatures trend during September in Trinidad and Tobago

See the weather trend as well as the moving average line

September weather in Trinidad and Tobago day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
 31° /23° 9.6 mm 7
2 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 31° /23° 5.8 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 2 mm 7
4 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 2.8 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 0.7 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 6 mm 7
7 Sept. Light rain shower
Light rain shower
 32° /23° 2.7 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
 33° /24° 2.4 mm 7
9 Sept. Patchy rain possible
Patchy rain possible
 33° /24° 3.5 mm 7
10 Sept. Patchy light drizzle
Patchy light drizzle
 33° /24° 5.5 mm 7
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /24° 15.3 mm 7
12 Sept. Cloudy
Cloudy
 32° /24° 8.7 mm 7
13 Sept. Partly cloudy
Partly cloudy
 32° /24° 2.8 mm 7
14 Sept. Partly cloudy
Partly cloudy
 32° /24° 6.5 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 33° /24° 0.9 mm 7
16 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 0.7 mm 2.8
17 Sept. Patchy rain possible
Patchy rain possible
 33° /24° 0.6 mm 2.9
18 Sept. Patchy rain possible
Patchy rain possible
 32° /25° 0.3 mm 2.8
19 Sept. Moderate rain
Moderate rain
 32° /25° 6.2 mm 3
20 Sept. Moderate rain
Moderate rain
 31° /24° 17.6 mm 0.3
21 Sept. Patchy rain possible
Patchy rain possible
 32° /25° 0.5 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 32° /25° 0.8 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
 30° /25° 3 mm 6
24 Sept. Moderate rain
Moderate rain
 27° /25° 13.8 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 31° /26° 1.1 mm 6
26 Sept. Partly cloudy
Partly cloudy
 31° /25° 0 mm 7
27 Sept. Patchy rain possible
Patchy rain possible
 30° /25° 1.1 mm 6
28 Sept. Patchy rain possible
Patchy rain possible
 30° /25° 1 mm 6
29 Sept. Patchy rain possible
Patchy rain possible
 29° /24° 1 mm 6
30 Sept. Light rain shower
Light rain shower
 32° /24° 2.8 mm 7
Next
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.
Change Month
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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

What are the expected maximum and minimum temperatures in Trinidad and Tobago during September?
During September, expect a variety of temperatures with highs around 32° 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 156.1 mm is expected in Trinidad and Tobago during September, occurring over more than 26 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 14 km/h, suggesting breezy to windy conditions, depending on your activities.

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 ☀️
Regions in Trinidad and Tobago
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ChaguanasPort of SpainPrinces TownSan Fernando
Top locations in Trinidad and Tobago
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ChaguanasMon ReposPort of SpainPrinces TownTrinidad
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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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