Last updated: August 23, 2025
In Blangy-sur-Ternoise, France, the average temperature in September is a pleasant 15°C (60°F), with a minimum dipping to 5°C (41°F) and a maximum reaching up to 29°C (85°F). Expect 55 mm (2.2 in) of rainfall spread over 11 days, contributing to an average humidity level of 80%.
In September in Blangy-sur-Ternoise, the average temperature is 15°C (60°F). Maximums can reach 29°C (85°F), and minimums can be as low as 5°C (41°F). This weather makes it a great time to explore outdoor activities while also enjoying the mild temperatures.
In Blangy-sur-Ternoise, in September, the total precipitation amount is 55 mm (2.2 in) over the course of 11 days.
In Blangy-sur-Ternoise 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 Blangy-sur-Ternoise 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 Blangy-sur-Ternoise.
UV Risk Categories
Weather in Blangy-sur-Ternoise varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Blangy-sur-Ternoise, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 68 mm (2.7 inches) | 91% | low |
| February Weather | 6°C (42°F) | 66 mm (2.6 inches) | 89% | low |
| March Weather | 7°C (46°F) | 70 mm (2.7 inches) | 86% | moderate |
| April Weather | 10°C (50°F) | 37 mm (1.5 inches) | 85% | high |
| May Weather | 13°C (55°F) | 72 mm (2.8 inches) | 82% | high |
| June Weather | 17°C (62°F) | 69 mm (2.7 inches) | 81% | very high |
| July Weather | 18°C (65°F) | 48 mm (1.9 inches) | 76% | very high |
| August Weather | 18°C (65°F) | 75 mm (3.0 inches) | 73% | high |
| September Weather | 15°C (60°F) | 55 mm (2.2 inches) | 80% | moderate |
| October Weather | 12°C (54°F) | 86 mm (3.4 inches) | 89% | moderate |
| November Weather | 8°C (46°F) | 68 mm (2.7 inches) | 92% | low |
| December Weather | 6°C (43°F) | 108 mm (4.3 inches) | 92% | low |