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Weather in Port of Spain for September 2026

Your guide to Port of Spain weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Port of Spain is slightly cooler than the historical average by 0.5 °C.

  • Expect cooler weather in the next days in Port of Spain with the forecast suggesting a temperature of 29.5 °C, lower than the historical average.

  • In general, the average temperature in Port of Spain at the beginning of September is 30.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 31 °C by the end of September.

    • Rain 🌧️

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

Average dry days
0
Dry days
Average rainy days
30
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/24°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Port of Spain Weather September

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

Temperatures trend during September in Port of Spain

See the weather trend as well as the moving average line

September weather in Port of Spain day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 30° /24° 6.6 mm 6
2 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /24° 5.2 mm 7
3 Sept. Light rain shower
Light rain shower
 31° /24° 1.4 mm 9
4 Sept. Partly cloudy
Partly cloudy
 30° /24° 5.5 mm 7
5 Sept. Light rain shower
Light rain shower
 31° /24° 1.5 mm 9
6 Sept. Light rain shower
Light rain shower
 30° /24° 8.4 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
 31° /24° 2.5 mm 9
8 Sept. Light rain shower
Light rain shower
 31° /24° 2.4 mm 8
9 Sept. Light rain shower
Light rain shower
 31° /24° 5.2 mm 7
10 Sept. Light rain shower
Light rain shower
 31° /24° 6.3 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 31° /24° 12.1 mm 6
12 Sept. Cloudy
Cloudy
 30° /24° 12.6 mm 5
13 Sept. Overcast
Overcast
 31° /24° 2.9 mm 7
14 Sept. Cloudy
Cloudy
 31° /24° 2.9 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 32° /24° 1.9 mm 8
16 Sept. Moderate rain at times
Moderate rain at times
 31° /24° 3 mm 7
17 Sept. Partly cloudy
Partly cloudy
 31° /24° 1.9 mm 6
18 Sept. Light rain shower
Light rain shower
 31° /24° 2.8 mm 7
19 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 31° /24° 2.9 mm 9
20 Sept. Light rain shower
Light rain shower
 32° /24° 3.5 mm 6
21 Sept. Light rain shower
Light rain shower
 30° /24° 7.2 mm 6
22 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /24° 5.5 mm 9
23 Sept. Light rain shower
Light rain shower
 31° /24° 5.9 mm 8
24 Sept. Light rain shower
Light rain shower
 31° /25° 4.7 mm 6
25 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 31° /24° 6 mm 6
26 Sept. Light rain shower
Light rain shower
 31° /24° 9.5 mm 7
27 Sept. Sunny
Sunny
 32° /25° 1.1 mm 12.4
28 Sept. Overcast
Overcast
 32° /25° 2.1 mm 12
29 Sept. Patchy rain possible
Patchy rain possible
 30° /25° 2.3 mm 11.9
30 Sept. Sunny
Sunny
 30° /25° 1.3 mm 11.9
Next
Important Notice
Our weather forecast for Port of Spain 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 Port of Spain forecast closer to your planned date for the most up-to-date weather information.
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Port of Spain in September - FAQ

What are the expected maximum and minimum temperatures in Port of Spain during September?
During September, expect a variety of temperatures with highs around 30° and lows near 24°, suitable for diverse activities and preferences.

How much rainfall should be expected in Port of Spain during September?
Significant rainfall exceeding 156.1 mm is expected in Port of Spain during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Port of Spain during September?
The average wind speed in Port of Spain during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Port of Spain

Explore the daily rainfall trends and prepare for Port of Spains September weather 💧
Typically, Port of Spain has 30 rainy days in September with a total of 156.1 mm of rainfall.

UV exposure in Port of Spain during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Port of Spain?

Get accurate weather forecasts for Port of Spain, located at latitude 10.667 and longitude -61.519. Stay updated with localized weather information tailored for Port of Spain.

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