San Juan Antiguo Barrio (San Juan)
September
Weather in San Juan Antiguo Barrio for September 2026
Your guide to San Juan Antiguo Barrio weather in September - trends and predictions
Until now, September 2026 in San Juan Antiguo Barrio has been nearly identical to the historical average, with a temperature of 31.4 °C (showing only a slight deviation of 0 °C).
Expect cooler weather in the next days in San Juan Antiguo Barrio with the forecast suggesting a temperature of 29.7 °C, lower than the historical average.
In general, the average temperature in San Juan Antiguo Barrio at the beginning of September is 31.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.4 °C by the end of September.
The climate of San Juan Antiguo Barrio in September is notably wet, with an average of 14 rainy days, and a total of 225.5 mm of precipitation.
Temperatures
Rain 🌧️
16
Dry days
14
Rainy days
0
Snow days
31°/26°
Temperatures
21 km/h
Avg max wind
78 %
Avg humidity
San Juan Antiguo Barrio Weather September
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Temperatures trend during September in San Juan Antiguo Barrio
See the weather trend as well as the moving average line
September weather in San Juan Antiguo Barrio day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 32° /25° | 4.2 mm | 8 | |
| 2 Sept. |  Patchy rain possible | 31° /25° | 2.6 mm | 7 | |
| 3 Sept. | Patchy rain possible | 32° /25° | 0.7 mm | 9 | |
| 4 Sept. | Partly cloudy | 32° /25° | 0.6 mm | 7 | |
| 5 Sept. |  Cloudy | 31° /26° | 5.2 mm | 6 | |
| 6 Sept. |  Overcast | 32° /25° | 0.8 mm | 6 | |
| 7 Sept. |  Heavy rain at times | 31° /25° | 11.2 mm | 7 | |
| 8 Sept. | Patchy rain possible | 31° /26° | 4.4 mm | 7 | |
| 9 Sept. | Patchy rain possible | 31° /25° | 7.4 mm | 7 | |
| 10 Sept. | Patchy rain possible | 31° /25° | 7.8 mm | 6 | |
| 11 Sept. | Light rain shower | 31° /25° | 3.2 mm | 6 | |
| 12 Sept. | Partly cloudy | 32° /25° | 1 mm | 7 | |
| 13 Sept. | Partly cloudy | 31° /25° | 1.7 mm | 7 | |
| 14 Sept. | Partly cloudy | 32° /25° | 4.8 mm | 6 | |
| 15 Sept. | Partly cloudy | 32° /25° | 4.7 mm | 6 | |
| 16 Sept. | Partly cloudy | 32° /26° | 3.8 mm | 6 | |
| 17 Sept. |  Thundery outbreaks possible | 30° /26° | 13.8 mm | 6 | |
| 18 Sept. | Patchy rain possible | 31° /25° | 2.3 mm | 6 | |
| 19 Sept. | Partly cloudy | 31° /25° | 2.2 mm | 6 | |
| 20 Sept. | Patchy rain possible | 32° /25° | 22.2 mm | 6 | |
| 21 Sept. | Patchy rain possible | 32° /25° | 23.5 mm | 6 | |
| 22 Sept. | Patchy rain possible | 32° /25° | 0.9 mm | 7 | |
| 23 Sept. | Patchy rain possible | 31° /25° | 11.9 mm | 8 | |
| 24 Sept. | Patchy rain possible | 31° /25° | 3.1 mm | 8 | |
| 25 Sept. | Patchy rain possible | 31° /25° | 24.8 mm | 8 | |
| 26 Sept. | Patchy rain possible | 30° /26° | 19.6 mm | 7 | |
| 27 Sept. | Patchy rain possible | 31° /27° | 0.2 mm | 10.9 | |
| 28 Sept. | Patchy rain possible | 30° /27° | 2.7 mm | 10.9 | |
| 29 Sept. | Patchy rain possible | 30° /27° | 1.9 mm | 11.2 | |
| 30 Sept. | Patchy rain possible | 30° /27° | 4.6 mm | 10.7 | |
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Important Notice
Our weather forecast for San Juan Antiguo Barrio 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 San Juan Antiguo Barrio forecast closer to your planned date for the most up-to-date weather information.
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San Juan Antiguo Barrio in September - FAQ
What are the expected maximum and minimum temperatures in San Juan Antiguo Barrio during September?
During September, expect a variety of temperatures with highs around 31° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Juan Antiguo Barrio during September?
Significant rainfall exceeding 225.5 mm is expected in San Juan Antiguo Barrio during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Juan Antiguo Barrio during September?
The average wind speed in San Juan Antiguo Barrio during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in San Juan Antiguo Barrio
Explore the daily rainfall trends and prepare for San Juan Antiguo Barrios September weather 💧
Typically, San Juan Antiguo Barrio has 14 rainy days in September with a total of 225.5 mm of rainfall.
UV exposure in San Juan Antiguo Barrio during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is San Juan Antiguo Barrio?Get accurate weather forecasts for San Juan Antiguo Barrio, located at latitude 18.466 and longitude -66.106. Stay updated with localized weather information tailored for San Juan Antiguo Barrio.
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