Heilbronn

Weather in Heilbronn today, September 16, 2026

Rain features in Heilbronn on September 16, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The first half of the day looks overcast, as cloud amounts reach about 92% around 11:00. Brighter weather, if it comes, waits until later.

Temperatures climb from an overnight low near 16°C toward a daytime high of about 22°C. Relative humidity sits between 61% and 85%, reaching its peak around 14:00. Airflow remains manageable, reaching about 4.0 km/h around 11:00.

Expect the wet theme to continue later, as rain odds reach 98% near 12:00. Cloud amounts hold near 100% around 12:00. Visibility stays generally good near 33.5 km on average, though it can drop toward 8.4 km in thicker cloud or showers. Daylight runs from 07:08 to 19:25, lasting 12 hours 16 minutes of sunlight today.

In short, treat September 16, 2026 in Heilbronn as a damp day: pack covers, watch the wetter hours, and expect a high near 22°C.