Siegen Weather in September

September in Siegen brings pleasant temperatures, with highs of 18°C (64°F) and nights dropping to 9°C (48°F). Rainfall is on the higher side this month, averaging around 91 mm (3.6 in), so keep a rain jacket handy.

Rainfall in Siegen in September

Historically, approximately 14 days this month are expected to have rain, averaging 91 mm (3.6 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Siegen in September

In September, Siegen gets pleasant temperatures, with highs of 18°C (64°F). Nights cool to around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Siegen in September

The area experiences a moderate amount of sunshine, with approximately 142 hours of sunlight expected. This means a decent mix of sun and overcast.

Should you favor a climate that's both dry and comfortably warm, June and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Siegen Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 47%  

Precipitation 91 mm (3.6 in)  

Rainy days 14 days  

Sunshine 142 hours *  

Percentage Sunshine *  

* Data from: Bonn, Germany (66 KM, 41 Miles).

What to Wear in Siegen 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Siegen 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 Siegen's climate page.

More climate data for Siegen

Temperature Rainfall Sunshine

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