Köstenberg Weather in September

With daytime temperatures of 18°C (64°F) and nighttime lows of 8°C (46°F), September in Köstenberg brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 135 mm (5.3 in) falls on average.

Rainfall in Köstenberg in September

The climate data from previous years indicates about 13 days of rain, averaging 135 mm (5.3 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Köstenberg in September

Daytime temperatures in Köstenberg reach 18°C (64°F) in September, dropping to 8°C (46°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Köstenberg in September

The month experiences a moderate amount of sunlight, with 188 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Köstenberg in September

Average wind conditions reach 1 m/s (2 knots) in September. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

Average water temperature in September

The water sits at 20°C (68°F), which is a nice temperature for swimming. Not too cold, not too warm, most visitors are happy to spend time in the water.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Köstenberg.