Last updated: August 23, 2025
In September, the average temperature in Port-sur-Saone, France hovers around 17°C (62°F). However, you might experience a range from a chilly 4°C (40°F) to a sweltering 33°C (91°F). Expect about 54 mm (2.1 in) of precipitation over 9 days, contributing to an average humidity of 81%. Be prepared for the diverse weather this month has to offer!
In September in Port-sur-Saone, the average temperature is 17°C (62°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 4°C (40°F). This diverse temperature range makes it an ideal time for travelers to enjoy both warm days and cool evenings.
In Port-sur-Saone in September, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.
In Port-sur-Saone in September, humidity is 81%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel sticky and requiring frequent breaks to stay comfortable while exploring.
In Port-sur-Saone in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Port-sur-Saone, you can refer to this Hourly UV Index in Port-sur-Saone.
UV Risk Categories
Weather in Port-sur-Saone varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Port-sur-Saone, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 103 mm (4.0 inches) | 91% | low |
| February Weather | 5°C (41°F) | 91 mm (3.6 inches) | 89% | moderate |
| March Weather | 7°C (46°F) | 100 mm (3.9 inches) | 87% | moderate |
| April Weather | 11°C (52°F) | 48 mm (1.9 inches) | 84% | high |
| May Weather | 14°C (58°F) | 112 mm (4.4 inches) | 80% | very high |
| June Weather | 20°C (67°F) | 82 mm (3.2 inches) | 82% | very high |
| July Weather | 21°C (71°F) | 65 mm (2.5 inches) | 82% | very high |
| August Weather | 21°C (70°F) | 60 mm (2.4 inches) | 77% | very high |
| September Weather | 17°C (62°F) | 54 mm (2.1 inches) | 81% | high |
| October Weather | 12°C (54°F) | 86 mm (3.4 inches) | 89% | moderate |
| November Weather | 6°C (44°F) | 89 mm (3.5 inches) | 89% | low |
| December Weather | 4°C (40°F) | 156 mm (6.1 inches) | 91% | low |