Alken Weather in September

September in Alken typically sees daytime highs of 20°C (68°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Alken in September

You can typically expect 14 days of rain this month, averaging around 63 mm (2.5 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Alken in September

The temperature in Alken in September is perfect. Daytime highs reach 20°C (68°F), with nights dropping to 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Alken in September

The city usually sees around 142 hours of sunlight, indicating a moderately sunny period.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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

Alken Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 45%  

Precipitation 63 mm (2.5 in)  

Rainy days 14 days  

Sunshine 142 hours *  

Percentage Sunshine *  

* Data from: Bonn, Germany (59 KM, 36 Miles).

What to Wear in Alken 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. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Alken in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

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 Alken's climate page.

More climate data for Alken

Temperature Rainfall Sunshine

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