Last updated: August 23, 2025
In September, the average temperature in Saint-Pierre-Quiberon, France is a pleasant 17°C (63°F). Expect minimums dropping to 12°C (54°F) and highs reaching up to 24°C (75°F). With an average humidity of 79% and 45 mm (1.8 in) of precipitation spread over 8 days, it's a month that promises a refreshing balance of warmth and mild showers.
In September in Saint-Pierre-Quiberon, the average temperature is 17°C (63°F), with maximums reaching 24°C (75°F) and minimums dipping as low as 12°C (54°F). This mild climate makes Saint-Pierre-Quiberon an ideal destination for travelers seeking comfortable weather during this time of year.
In Saint-Pierre-Quiberon in September, the precipitation amount is 45 mm (1.8 in) over the course of 8 days.
In Saint-Pierre-Quiberon in September, humidity is 79%. With an average temperature of 17°C (63°F), this humidity feels like a warm, muggy embrace, making outdoor activities less comfortable and prompting travelers to seek shaded areas or cool refreshments more frequently.
In Saint-Pierre-Quiberon 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 Saint-Pierre-Quiberon, you can refer to this Hourly UV Index in Saint-Pierre-Quiberon.
UV Risk Categories
Weather in Saint-Pierre-Quiberon varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Pierre-Quiberon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (48°F) | 69 mm (2.7 inches) | 82% | low |
| February Weather | 9°C (49°F) | 90 mm (3.5 inches) | 83% | moderate |
| March Weather | 10°C (50°F) | 72 mm (2.8 inches) | 81% | moderate |
| April Weather | 11°C (53°F) | 43 mm (1.7 inches) | 82% | high |
| May Weather | 14°C (57°F) | 54 mm (2.1 inches) | 82% | very high |
| June Weather | 17°C (62°F) | 57 mm (2.2 inches) | 80% | very high |
| July Weather | 18°C (65°F) | 47 mm (1.8 inches) | 77% | very high |
| August Weather | 18°C (65°F) | 51 mm (2.0 inches) | 78% | very high |
| September Weather | 17°C (63°F) | 45 mm (1.8 inches) | 79% | high |
| October Weather | 15°C (59°F) | 105 mm (4.1 inches) | 82% | moderate |
| November Weather | 12°C (54°F) | 104 mm (4.1 inches) | 81% | low |
| December Weather | 11°C (51°F) | 141 mm (5.5 inches) | 82% | low |