Last updated: August 23, 2025
In September, the average temperature in Groffliers, France hovers around 16°C (62°F), with a comfortable range between a minimum of 7°C (46°F) and a delightful maximum of 26°C (80°F). Expect a total precipitation of 74 mm (2.9 in) spread across 12 days, contributing to an average humidity level of 80%. Be prepared for a blend of moderate temperatures and a fair share of rain!
In September in Groffliers, the average temperature is 16°C (62°F). Maximums can reach 26°C (80°F), while minimums can drop as low as 7°C (46°F). This makes Groffliers a comfortable destination for travelers looking to enjoy mild weather and outdoor activities.
In Groffliers in September, the precipitation amount is 74 mm (2.9 in) over a span of 12 days.
In Groffliers in September humidity is 80%. With an average temperature of 16°C (62°F), this humidity feels like a warm, muggy embrace, making travel slightly uncomfortable as the air hangs heavy, necessitating frequent hydration and light clothing to stay cool and refreshed.
In Groffliers in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Groffliers.
UV Risk Categories
Weather in Groffliers varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Groffliers, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 6°C (43°F) | 84 mm (3.3 inches) | 91% | low |
February Weather | 7°C (44°F) | 77 mm (3.0 inches) | 89% | low |
March Weather | 8°C (47°F) | 81 mm (3.2 inches) | 86% | moderate |
April Weather | 10°C (50°F) | 33 mm (1.3 inches) | 85% | high |
May Weather | 13°C (55°F) | 71 mm (2.8 inches) | 82% | high |
June Weather | 16°C (61°F) | 64 mm (2.5 inches) | 81% | very high |
July Weather | 18°C (65°F) | 50 mm (2.0 inches) | 76% | very high |
August Weather | 18°C (65°F) | 76 mm (3.0 inches) | 73% | very high |
September Weather | 16°C (62°F) | 74 mm (2.9 inches) | 80% | moderate |
October Weather | 14°C (57°F) | 120 mm (4.7 inches) | 89% | moderate |
November Weather | 9°C (49°F) | 104 mm (4.1 inches) | 92% | low |
December Weather | 8°C (46°F) | 148 mm (5.8 inches) | 92% | low |