Last updated: August 23, 2025
In September, the average temperature in Bonningues-les-Calais, France hovers around 17°C (62°F), with lows dipping to 11°C (51°F) and highs reaching up to 23°C (75°F). Expect some rain, with a total precipitation of 65 mm (2.6 in) spread over roughly 11 days. The atmosphere is quite humid, with an average humidity level of 80%.
In September in Bonningues-les-Calais, the average temperature is 17°C (62°F). Maximum temperatures can reach 23°C (75°F), while minimums can drop to 11°C (51°F). This mild climate makes Bonningues-les-Calais an ideal destination for outdoor activities and exploration during this time.
In Bonningues-les-Calais in September, the precipitation amount is 65 mm (2.6 in) over a span of 11 days.
In Bonningues-les-Calais in September, humidity is 80%. With an average temperature of 17°C (62°F), this humidity feels like a heavy blanket wrapping around you, making travel sticky and uncomfortable, and often leaving you longing for a refreshing breeze.
In Bonningues-les-Calais 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 Bonningues-les-Calais.
UV Risk Categories
Weather in Bonningues-les-Calais varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bonningues-les-Calais, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (44°F) | 75 mm (2.9 inches) | 91% | low |
| February Weather | 7°C (44°F) | 67 mm (2.6 inches) | 89% | low |
| March Weather | 8°C (46°F) | 63 mm (2.5 inches) | 86% | moderate |
| April Weather | 9°C (49°F) | 28 mm (1.1 inches) | 85% | moderate |
| May Weather | 12°C (54°F) | 60 mm (2.4 inches) | 82% | high |
| June Weather | 16°C (60°F) | 62 mm (2.4 inches) | 81% | very high |
| July Weather | 18°C (64°F) | 48 mm (1.9 inches) | 76% | very high |
| August Weather | 18°C (65°F) | 74 mm (2.9 inches) | 73% | high |
| September Weather | 17°C (62°F) | 65 mm (2.6 inches) | 80% | moderate |
| October Weather | 14°C (57°F) | 118 mm (4.6 inches) | 89% | moderate |
| November Weather | 10°C (50°F) | 90 mm (3.6 inches) | 92% | low |
| December Weather | 8°C (47°F) | 133 mm (5.2 inches) | 92% | low |