Pérez Zeledón (San Isidro)
September
Weather in Pérez Zeledón for September 2025
Your guide to Pérez Zeledón weather in September - trends and predictions
In general, the average temperature in Pérez Zeledón at the beginning of September is 24.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 23.4 °C by the end of September.
Pérez Zeledón experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 702.4 mm.
Temperatures
Rain 🌧️
0
Dry days
30
Rainy days
0
Snow days
24°/13°
Temperatures
6 km/h
Avg max wind
91 %
Avg humidity
Pérez Zeledón Weather September
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2 23° | 3 24° | 4 25° | 5  26° | 6 25° | 7 24° |
| 8 24° | 9 25° | 10 25° | 11 26° | 12 25° | 13 26° | 14 25° |
| 15 26° | 16 26° | 17 26° | 18 25° | 19 25° | 20 24° | 21 22° |
| 22 20° | 23 23° | 24 23° | 25 20° | 26 26° | 27 24° | 28 25° |
| 29 24° | 30 22° |
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Temperatures trend during September in Pérez Zeledón
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Moderate or heavy rain shower | 24° /13° | 34.5 mm | 5 | |
| 2 Sept. | Moderate or heavy rain shower | 23° /13° | 22.9 mm | 5 | |
| 3 Sept. | Moderate or heavy rain shower | 24° /13° | 17.3 mm | 5 | |
| 4 Sept. | Moderate or heavy rain shower | 25° /13° | 14.8 mm | 6 | |
| 5 Sept. | Light rain shower | 26° /13° | 26.1 mm | 6 | |
| 6 Sept. | Moderate or heavy rain shower | 25° /13° | 40.9 mm | 6 | |
| 7 Sept. | Moderate or heavy rain shower | 24° /14° | 23.4 mm | 5 | |
| 8 Sept. | Moderate or heavy rain shower | 24° /14° | 22.3 mm | 5 | |
| 9 Sept. | Light rain shower | 25° /13° | 13.6 mm | 6 | |
| 10 Sept. | Light rain shower | 25° /14° | 13.1 mm | 6 | |
| 11 Sept. | Light rain shower | 26° /13° | 12.6 mm | 6 | |
| 12 Sept. | Light rain shower | 25° /13° | 14.8 mm | 6 | |
| 13 Sept. | Light rain shower | 26° /14° | 8 mm | 6 | |
| 14 Sept. | Moderate or heavy rain shower | 25° /13° | 15 mm | 6 | |
| 15 Sept. | Light rain shower | 26° /13° | 9.4 mm | 6 | |
| 16 Sept. | Light rain shower | 26° /16° | 11.6 mm | 6 | |
| 17 Sept. | Moderate or heavy rain shower | 26° /14° | 16 mm | 6 | |
| 18 Sept. | Moderate or heavy rain shower | 25° /13° | 21.5 mm | 6 | |
| 19 Sept. | Light rain shower | 25° /15° | 18.8 mm | 6 | |
| 20 Sept. | Moderate or heavy rain shower | 24° /14° | 20.1 mm | 5 | |
| 21 Sept. | Light rain shower | 22° /13° | 13.5 mm | 5 | |
| 22 Sept. | Moderate or heavy rain shower | 20° /12° | 176.5 mm | 5 | |
| 23 Sept. | Light rain shower | 23° /13° | 12.4 mm | 5 | |
| 24 Sept. | Light rain shower | 23° /13° | 11.4 mm | 5 | |
| 25 Sept. | Light rain shower | 20° /13° | 33.3 mm | 5 | |
| 26 Sept. | Moderate or heavy rain shower | 26° /13° | 17.8 mm | 6 | |
| 27 Sept. | Light rain shower | 24° /13° | 18.2 mm | 5 | |
| 28 Sept. | Light rain shower | 25° /13° | 7.7 mm | 6 | |
| 29 Sept. | Light rain shower | 24° /13° | 15.9 mm | 5 | |
| 30 Sept. | Moderate or heavy rain shower | 22° /13° | 18.9 mm | 5 | |
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Important Notice
Our weather forecast for Pérez Zeledón 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 Pérez Zeledón forecast closer to your planned date for the most up-to-date weather information.
Pérez Zeledón in September - FAQ
What are the expected maximum and minimum temperatures in Pérez Zeledón during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Pérez Zeledón during September?
Significant rainfall exceeding 702.4 mm is expected in Pérez Zeledón during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Pérez Zeledón during September?
The average wind speed in Pérez Zeledón during September is 6 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Pérez Zeledón
Explore the daily rainfall trends and prepare for Pérez Zeledóns September weather 💧
UV exposure in Pérez Zeledón during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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