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Calw Weather in September
Thinking of visiting Calw in September? Expect pleasant temperatures reaching 20°C (68°F) during the day, dropping to 10°C (50°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Calw in September
Climate statistics over the past 30 years suggest around 12 days of rain, with 92 mm (3.6 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Calw in September
September tends to be one of the excellent months in Calw, with 20°C (68°F) in the afternoon and 10°C (50°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Calw in September
The city usually sees around 171 hours of sunlight, indicating a moderately sunny period.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Calw.
Calw Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
41%
Precipitation
92 mm (3.6 in)
Rainy days
12 days
Sunshine
171 hours *
Percentage Sunshine
45% *
* Data from: Stuttgart, Germany (32 KM, 20 Miles).
Calw Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Calw - 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 Calw in September
For Calw 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Calw in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Calw 3-Day Forecast
More climate data for Calw
See the full Calw 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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