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 perfect 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.

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• January
• February
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• May
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For a detailed overview over the year and the best time to visit Germany, check out our Calw's climate page.

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).

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.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Germany, check out our Calw's climate page.

More climate data for Calw

Temperature Rainfall Sunshine

See the full Calw climate overview or explore weather in Germany.