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Hourly Forecast
Daylight Hours
06:35
Sunrise
18:25
Sunset
Moon
Waxing Crescent
09:11
Moonrise
00:06
Moonset
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Weather in Heidelberg today, September 16, 2026
Heidelberg may turn murky on September 16, 2026, with fog or mist reducing clarity at times. Early travel in particular may need extra care.
The temperature range runs from about 11°C up to 16°C. The air stays humid, with relative humidity between 71% and 90% and the peak around 23:00. Expect gentle winds, highest near 15:00 at 2.7 km/h.
Expect the wet theme to continue later, as rain odds reach 50% near 15:00. Cloud amounts hold near 81% around 15:00. Views remain open at about 16.1 km. The sun rises at 06:35 and sets at 18:25, for a total of 11 hours 50 minutes of sunlight today.
In short, fog or mist is the watchpoint in Heidelberg on September 16, 2026; leave extra time for travel around a high of 16°C.
Frequently asked questions about weather in Heidelberg
How warm does it get in Heidelberg?
The warmest month in Heidelberg is January, with average high temperatures of 28°C. The average temperature during this period is around 22°C.
How cold does it get in Heidelberg?
The coldest month in Heidelberg is July, with average low temperatures of 6°C. The average temperature during this period is around 12°C.
What is the wettest time of year in Heidelberg?
The wettest month in Heidelberg is March, with an average of 43mm of precipitation.
What is the driest time of year in Heidelberg?
The driest month in Heidelberg is February, with an average of 24mm of precipitation.
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