St. Blasien Weather in September

In St. Blasien, September brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.

Rainfall in St. Blasien in September

Looking at the last 30 years, the data shows about 14 days with rain, averaging 107 mm (4.2 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in St. Blasien in September

Expect highs of 19°C (66°F) in St. Blasien in September, with nights dropping to around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in St. Blasien in September

The area experiences a moderate amount of sunshine, with approximately 150 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in St. Blasien in September

Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for St. Blasien.

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

St. Blasien Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 46%  

Precipitation 107 mm (4.2 in)  

Rainy days 14 days  

Humidity 84% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 150 hours *  

Percentage Sunshine *  

* Data from: Feldberg, Germany (14 KM, 9 Miles).

What to Wear in St. Blasien in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in St. Blasien 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

3/10

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 St. Blasien's climate page.

More climate data for St. Blasien

Temperature Rainfall Sunshine Humidity Wind Speed

See the full St. Blasien climate overview or explore weather in Germany.