Last updated: August 31, 2025
In September, the average temperature in San Carlos, Nicaragua hovers around 26°C (79°F), offering a warm climate that's ideal for exploration. Expect minimum temperatures to dip to 21°C (71°F), while maximum highs can soar to 34°C (93°F). During this month, anticipate precipitation totaling 296 mm (11.7 in) spread over 29 days, contributing to an average humidity of 84%. Be prepared for a humid experience!
In September, in San Carlos, the average temperature is 26°C (79°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 21°C (71°F). This pleasant weather makes San Carlos an ideal destination for travelers seeking warmth and comfort.
In San Carlos, in September, the precipitation amount is 296 mm (11.7 in) over the course of 29 days.
In San Carlos in September, humidity is 84%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and exhausting, yet the vibrant atmosphere and lush surroundings offer a refreshing allure that invites exploration.
In San Carlos in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Carlos.
UV Risk Categories
Weather in San Carlos varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Carlos, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (76°F) | 120 mm (4.7 inches) | 71% | extreme |
| February Weather | 25°C (77°F) | 75 mm (3.0 inches) | 70% | extreme |
| March Weather | 25°C (78°F) | 84 mm (3.3 inches) | 68% | extreme |
| April Weather | 26°C (80°F) | 70 mm (2.7 inches) | 69% | extreme |
| May Weather | 26°C (79°F) | 315 mm (12.4 inches) | 70% | extreme |
| June Weather | 26°C (79°F) | 323 mm (12.7 inches) | 81% | extreme |
| July Weather | 26°C (78°F) | 252 mm (9.9 inches) | 88% | extreme |
| August Weather | 26°C (78°F) | 277 mm (10.9 inches) | 85% | extreme |
| September Weather | 26°C (79°F) | 296 mm (11.7 inches) | 84% | extreme |
| October Weather | 25°C (78°F) | 353 mm (13.9 inches) | 82% | extreme |
| November Weather | 25°C (77°F) | 241 mm (9.5 inches) | 81% | extreme |
| December Weather | 25°C (76°F) | 176 mm (6.9 inches) | 74% | very high |