Illmensee Weather in September

With daytime temperatures of 20°C (68°F) and nighttime lows of 11°C (52°F), September in Illmensee brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 98 mm (3.9 in) falls on average.

Rainfall in Illmensee in September

On average, there are about 13 days with rain during this month, averaging 98 mm (3.9 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Illmensee in September

The excellent temperature in Illmensee in September makes it a solid month to visit, with 20°C (68°F) during the day and 11°C (52°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Illmensee in September

You can expect a moderate amount of sunlight, with approximately 155 hours. This means a pleasant mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Illmensee.