Altena Weather in September

September in Altena typically sees daytime highs of 19°C (66°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Altena in September

You can typically expect 15 days of rain this month, averaging around 95 mm (3.7 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Altena in September

Daytime temperatures in Altena reach 19°C (66°F) in September, dropping to 10°C (50°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Altena in September

With about 175 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

For Altena itself, June generally stands out with the best 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 Altena's climate page.

Altena Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 49%  

Precipitation 95 mm (3.7 in)  

Rainy days 15 days  

Sunshine 175 hours *  

Percentage Sunshine *  

* Data from: Bochum, Germany (37 KM, 23 Miles).

What to Wear in Altena 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 Altena 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

8/10

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 Altena's climate page.

More climate data for Altena

Temperature Rainfall Sunshine

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