Last updated: August 23, 2025
In September, the average temperature in San Giovanni Valdarno, Italy rests at a comfortable 19°C (67°F). Expect a minimum of 5°C (42°F) and a maximum soaring to 30°C (87°F). During this period, precipitation amounts to about 85 mm (3.3 in), spread over approximately 10 days. With an average humidity level of 66%, it's a perfect time to enjoy the seasonal charm!
In September in San Giovanni Valdarno, the average temperature is 19°C (67°F), with maximums reaching 30°C (87°F) and minimums dipping as low as 5°C (42°F). This pleasant climate makes it a great time for outdoor adventures and exploring the local attractions.
In San Giovanni Valdarno in September, the precipitation amount is 85 mm (3.3 in) over the course of 10 days.
In San Giovanni Valdarno in September humidity is 66%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making it mildly uncomfortable for traveling, as you may find yourself needing to frequently stop for hydration and to seek shade from the sun.
In San Giovanni Valdarno in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in San Giovanni Valdarno.
UV Risk Categories
Weather in San Giovanni Valdarno varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Giovanni Valdarno, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 53 mm (2.1 inches) | 84% | low |
| February Weather | 7°C (44°F) | 84 mm (3.3 inches) | 76% | moderate |
| March Weather | 8°C (47°F) | 77 mm (3.0 inches) | 68% | high |
| April Weather | 12°C (53°F) | 86 mm (3.4 inches) | 70% | high |
| May Weather | 16°C (60°F) | 100 mm (3.9 inches) | 69% | very high |
| June Weather | 21°C (70°F) | 51 mm (2.0 inches) | 62% | very high |
| July Weather | 23°C (74°F) | 40 mm (1.6 inches) | 57% | very high |
| August Weather | 24°C (75°F) | 39 mm (1.6 inches) | 55% | very high |
| September Weather | 19°C (67°F) | 85 mm (3.3 inches) | 66% | high |
| October Weather | 14°C (58°F) | 90 mm (3.5 inches) | 79% | moderate |
| November Weather | 10°C (50°F) | 139 mm (5.5 inches) | 84% | moderate |
| December Weather | 6°C (42°F) | 120 mm (4.7 inches) | 83% | low |