Last updated: August 31, 2025
In Valle San Francisco, Nicaragua, the average temperature in September hovers around 28°C (83°F), creating a warm atmosphere perfect for outdoor activities. Temperatures can dip to a pleasant 23°C (74°F), while occasionally soaring to a toasty 37°C (98°F). Expect 172 mm (6.8 in) of precipitation over 20 days, and be prepared for an average humidity level of 69%, making it feel quite tropical!
In September in Valle San Francisco, the average temperature is 28°C (83°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 23°C (74°F). This makes it an ideal destination for travelers seeking warm weather and plenty of sunshine.
In Valle San Francisco in September, the total precipitation amount is 172 mm (6.8 in) spread over 20 days.
In Valle San Francisco in September, humidity is 69%. With an average temperature of 28°C (83°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor exploration a bit more strenuous and requiring plenty of hydration and breaks in the shade.
In Valle San Francisco 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 Valle San Francisco.
UV Risk Categories
Weather in Valle San Francisco varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Valle San Francisco, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (81°F) | 1 mm (0.0 inches) | 56% | extreme |
| February Weather | 28°C (82°F) | 0 mm (0.0 inches) | 54% | extreme |
| March Weather | 28°C (83°F) | 1 mm (0.0 inches) | 51% | extreme |
| April Weather | 30°C (86°F) | 12 mm (0.5 inches) | 50% | extreme |
| May Weather | 29°C (84°F) | 193 mm (7.6 inches) | 50% | extreme |
| June Weather | 28°C (83°F) | 124 mm (4.9 inches) | 55% | extreme |
| July Weather | 29°C (84°F) | 33 mm (1.3 inches) | 65% | extreme |
| August Weather | 29°C (84°F) | 88 mm (3.5 inches) | 64% | extreme |
| September Weather | 28°C (83°F) | 172 mm (6.8 inches) | 69% | extreme |
| October Weather | 27°C (81°F) | 282 mm (11.1 inches) | 68% | extreme |
| November Weather | 28°C (82°F) | 107 mm (4.2 inches) | 61% | very high |
| December Weather | 27°C (82°F) | 4 mm (0.1 inches) | 56% | very high |