Last updated: August 23, 2025
In Fiennes, France, the average temperature for September hovers around 16°C (60°F). Expect a range between a chilly 4°C (39°F) and a warm 28°C (83°F). Rainfall is typical, with 59 mm (2.3 in) spread over 9 days, contributing to an average humidity of 80%.
In September in Fiennes, the average temperature is 16°C (60°F). Maximums can reach 28°C (83°F), and minimums can be as low as 4°C (39°F). This makes Fiennes a great destination for travelers seeking comfortable weather and a variety of outdoor activities.
In Fiennes in September, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.
In Fiennes in September, humidity is 80%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick haze, making travel feel somewhat stifling and requiring frequent breaks to hydrate and cool down.
In Fiennes 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 Fiennes.
UV Risk Categories
Weather in Fiennes varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Fiennes, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (42°F) | 68 mm (2.7 inches) | 91% | low |
February Weather | 6°C (43°F) | 64 mm (2.5 inches) | 89% | low |
March Weather | 8°C (46°F) | 68 mm (2.7 inches) | 86% | moderate |
April Weather | 10°C (50°F) | 33 mm (1.3 inches) | 85% | moderate |
May Weather | 13°C (55°F) | 65 mm (2.6 inches) | 82% | high |
June Weather | 16°C (62°F) | 71 mm (2.8 inches) | 81% | very high |
July Weather | 18°C (65°F) | 48 mm (1.9 inches) | 76% | very high |
August Weather | 18°C (65°F) | 73 mm (2.9 inches) | 73% | high |
September Weather | 16°C (60°F) | 59 mm (2.3 inches) | 80% | moderate |
October Weather | 13°C (55°F) | 96 mm (3.8 inches) | 89% | moderate |
November Weather | 9°C (48°F) | 78 mm (3.1 inches) | 92% | low |
December Weather | 7°C (45°F) | 112 mm (4.4 inches) | 92% | low |