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Bad Mergentheim Weather in September
In Bad Mergentheim, September brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.
Rainfall in Bad Mergentheim in September
Expect around 12 days of rain based on historical data, with 63 mm (2.5 in) average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Bad Mergentheim in September
Weather in Bad Mergentheim is at its excellent in September. Highs reach 20°C (68°F), while nights settle around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 10°C (50°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.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Bad Mergentheim Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
39%
Precipitation
63 mm (2.5 in)
Rainy days
12 days
Bad Mergentheim Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bad Mergentheim - and find the best time to visit.
Best Places in Germany in September
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Bad Mergentheim in September
For Bad Mergentheim in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.
What To Do in Bad Mergentheim in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Bad Mergentheim 3-Day Forecast
More climate data for Bad Mergentheim
See the full Bad Mergentheim climate overview or explore weather in Germany.
Popular in September
Where to go in September - average daytime high across popular destinations.
Berlin
21°C (70°F) Hanover20°C (68°F) Cologne21°C (70°F) Düsseldorf21°C (70°F) Munich
20°C (68°F) Hamburg20°C (68°F) Binz
18°C (64°F) Winterberg18°C (64°F) Bucket list
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