Last updated: August 23, 2025
In September, the average temperature in Watten, France is a comfortable 15°C (60°F). However, temperatures can range from a chilly 4°C (39°F) at night to a warm 30°C (86°F) during the day. Expect about 55 mm (2.1 in) of precipitation over 9 days, accompanied by an average humidity of 80%.
In September in Watten, the average temperature is 15°C (60°F). Maximums can reach 30°C (86°F), and minimums can be as low as 4°C (39°F). This climate makes it a great time to explore Watten, so pack accordingly and enjoy the range of conditions.
In Watten in September, the total precipitation amount is 55 mm (2.1 in) over the course of 9 days.
In Watten 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 Watten 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 Watten.
UV Risk Categories
Weather in Watten varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Watten, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (41°F) | 63 mm (2.5 inches) | 91% | low |
February Weather | 6°C (43°F) | 60 mm (2.3 inches) | 89% | low |
March Weather | 8°C (46°F) | 64 mm (2.5 inches) | 86% | moderate |
April Weather | 10°C (50°F) | 37 mm (1.4 inches) | 85% | moderate |
May Weather | 13°C (56°F) | 69 mm (2.7 inches) | 82% | high |
June Weather | 17°C (63°F) | 70 mm (2.8 inches) | 81% | very high |
July Weather | 18°C (65°F) | 52 mm (2.0 inches) | 76% | very high |
August Weather | 18°C (65°F) | 77 mm (3.1 inches) | 73% | high |
September Weather | 15°C (60°F) | 55 mm (2.1 inches) | 80% | moderate |
October Weather | 13°C (55°F) | 83 mm (3.3 inches) | 89% | moderate |
November Weather | 8°C (47°F) | 60 mm (2.4 inches) | 92% | low |
December Weather | 6°C (43°F) | 100 mm (3.9 inches) | 92% | low |