Last updated: August 23, 2025
In September, the average temperature in Campagne-les-Boulonnais, France is a comfortable 15°C (60°F). Expect a minimum of 4°C (40°F) and maximum highs reaching 28°C (83°F). Be prepared for some rain, with an average precipitation of 59 mm (2.3 in) spread over 11 days. Don’t forget, humidity levels can be quite high, averaging around 80%!
In September in Campagne-les-Boulonnais, the average temperature is 15°C (60°F), with maximums reaching 28°C (83°F) and minimums dropping as low as 4°C (40°F). This makes it an ideal time for travelers who enjoy mild weather and a range of outdoor activities.
In Campagne-les-Boulonnais in September, the precipitation amount is 59 mm (2.3 in) over the course of 11 days.
In Campagne-les-Boulonnais in September humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.
In Campagne-les-Boulonnais 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 Campagne-les-Boulonnais.
UV Risk Categories
Weather in Campagne-les-Boulonnais varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Campagne-les-Boulonnais, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 72 mm (2.8 inches) | 91% | low |
| February Weather | 6°C (43°F) | 70 mm (2.8 inches) | 89% | low |
| March Weather | 7°C (46°F) | 73 mm (2.9 inches) | 86% | moderate |
| April Weather | 10°C (50°F) | 37 mm (1.4 inches) | 85% | high |
| May Weather | 13°C (55°F) | 75 mm (3.0 inches) | 82% | high |
| June Weather | 17°C (62°F) | 72 mm (2.8 inches) | 81% | very high |
| July Weather | 18°C (65°F) | 49 mm (1.9 inches) | 76% | very high |
| August Weather | 18°C (65°F) | 77 mm (3.0 inches) | 73% | very high |
| September Weather | 15°C (60°F) | 59 mm (2.3 inches) | 80% | moderate |
| October Weather | 12°C (54°F) | 92 mm (3.6 inches) | 89% | moderate |
| November Weather | 8°C (47°F) | 75 mm (3.0 inches) | 92% | low |
| December Weather | 6°C (43°F) | 117 mm (4.6 inches) | 92% | low |