Brilon Weather in September

September in Brilon averages 18°C (64°F) during the day and 9°C (48°F) at night. Quite a bit of rainfall is typical this month, with around 87 mm (3.4 in) on average. An umbrella is a good idea.

Rainfall in Brilon in September

Based on our climate data of the past 30 years, about 14 days of rain are anticipated, with 87 mm (3.4 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Brilon in September

September in Brilon brings typical temperatures with highs around 18°C (64°F) and lows of 9°C (48°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Brilon in September

The month brings about 135 hours of sunlight, offering a comfortable mix of sun and overcast.

For Brilon itself, June generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.