ClimateForecastSeptemberOctober >>

San Juan weather in September (Trinidad, Trinidad & Tobago)

How does the September weather in San Juan compare to other months? Discover if this is the best time for your journey with our detailed monthly weather breakdown.

Temperatures

In September, San Juan typically experiences very high temperatures and high rainfall. Expect daytime highs to reach approximately 30°C, with nighttime lows dipping to around 26°C. Remember, these are typical temperatures, and certain days could be even hotter. Ensure you wear appropriate clothing to handle the warmth.

Precipitation

San Juan in September usually receives high rainfall, averaging around 125 mm for the month. When we look at the climate data from the last 30 years, you can expect around 19 days of rain.

Average sunshine

The city usually sees around 197 hours of sunlight, indicating many sunny days.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit San Juan. January, February and March typically offer the best circumstances. While August, September and October tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Juan climate page with graphs.

 

San Juan, monthly averages in September

Min TemperatureMin Temperature 26°C  
Max TemperatureMax Temperature 30°C  
Water TemperatureWater Temperature 28°C *  
Chance of RainChance of Rain 63%  
PrecipitationPrecipitation 125 mm  
Rainy daysRainy days 19 days  
HumidityHumidity 84% *  
SunshineSunshine 197 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Trinidad, Trinidad & Tobago (11 KM, 7 Miles).

Where to go 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.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 28°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in San Juan.

Our site offers climate and forecast data for every country in the world. Are you going to Trinidad & Tobago? On this website you can find historical weather averages for many cities in Trinidad & Tobago. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.