Cartago Province (Guanacasteca)
September
Weather in Cartago Province for September 2026
Your guide to Cartago Province weather in September - trends and predictions
So far, September 2026 in Cartago Province is slightly warmer than the historical average by 0.6 °C.
Expect cooler weather in the next days in Cartago Province with the forecast suggesting a temperature of 20.9 °C, lower than the historical average.
In general, the average temperature in Cartago Province at the beginning of September is 22.6 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 22.6 °C by the end of September.
Cartago Province experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 661.5 mm.
Temperatures
Rain 🌧️
0
Dry days
30
Rainy days
0
Snow days
22°/14°
Temperatures
5 km/h
Avg max wind
91 %
Avg humidity
Cartago Province Weather September
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Temperatures trend during September in Cartago Province
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September weather in Cartago Province day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate or heavy rain shower | 23° /13° | 11.9 mm | 4 | |
| 2 Sept. | Moderate or heavy rain shower | 23° /14° | 30.1 mm | 6 | |
| 3 Sept. |  Light rain shower | 22° /14° | 15 mm | 6 | |
| 4 Sept. | Light rain shower | 23° /14° | 13.5 mm | 6 | |
| 5 Sept. | Light rain shower | 23° /14° | 18.8 mm | 4 | |
| 6 Sept. |  Torrential rain shower | 22° /13° | 34.7 mm | 4 | |
| 7 Sept. | Torrential rain shower | 22° /14° | 38.8 mm | 4 | |
| 8 Sept. | Light rain shower | 22° /14° | 17.1 mm | 4 | |
| 9 Sept. | Moderate or heavy rain shower | 22° /14° | 22.9 mm | 5 | |
| 10 Sept. | Moderate or heavy rain shower | 23° /14° | 8.5 mm | 4 | |
| 11 Sept. | Light rain shower | 24° /14° | 8.2 mm | 5 | |
| 12 Sept. | Light rain shower | 23° /14° | 9.6 mm | 6 | |
| 13 Sept. | Moderate or heavy rain shower | 22° /14° | 17.8 mm | 4 | |
| 14 Sept. | Moderate or heavy rain shower | 23° /14° | 12.9 mm | 4 | |
| 15 Sept. | Light rain shower | 23° /14° | 8.8 mm | 4 | |
| 16 Sept. | Moderate or heavy rain shower | 23° /14° | 12.4 mm | 5 | |
| 17 Sept. |  Patchy light rain with thunder | 23° /14° | 21.8 mm | 6 | |
| 18 Sept. | Moderate or heavy rain shower | 22° /14° | 19 mm | 4 | |
| 19 Sept. | Moderate or heavy rain shower | 23° /14° | 29.8 mm | 4 | |
| 20 Sept. | Light rain shower | 23° /14° | 11.7 mm | 4 | |
| 21 Sept. | Light rain shower | 21° /14° | 7.9 mm | 4 | |
| 22 Sept. | Moderate or heavy rain shower | 21° /14° | 37.2 mm | 4 | |
| 23 Sept. | Light rain shower | 23° /14° | 11.1 mm | 5 | |
| 24 Sept. | Light rain shower | 23° /14° | 6.7 mm | 4 | |
| 25 Sept. | Moderate or heavy rain shower | 21° /14° | 33.3 mm | 4 | |
| 26 Sept. | Moderate or heavy rain shower | 23° /14° | 22.8 mm | 4 | |
| 27 Sept. | Light rain shower | 22° /15° | 24.9 mm | 9.3 | |
| 28 Sept. | Light rain shower | 23° /15° | 15.7 mm | 11.8 | |
| 29 Sept. | Light rain shower | 24° /15° | 19.1 mm | 12.1 | |
| 30 Sept. | Light rain shower | 22° /16° | 5 mm | 8.9 | |
| Next | |||||
Important Notice
Our weather forecast for Cartago Province 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 Cartago Province forecast closer to your planned date for the most up-to-date weather information.
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Cartago Province in September - FAQ
What are the expected maximum and minimum temperatures in Cartago Province during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cartago Province during September?
Significant rainfall exceeding 661.5 mm is expected in Cartago Province during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cartago Province during September?
The average wind speed in Cartago Province during September is 5 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cartago Province
Explore the daily rainfall trends and prepare for Cartago Provinces September weather 💧
Typically, Cartago Province has 30 rainy days in September with a total of 661.5 mm of rainfall.
UV exposure in Cartago Province during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Cartago Province?Get accurate weather forecasts for Cartago Province, located at latitude 9.96 and longitude -83.579. Stay updated with localized weather information tailored for Cartago Province.
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