Köstenberg Weather in September

With daytime temperatures of 18°C (64°F) and nighttime lows of 8°C (46°F), September in Köstenberg brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 135 mm (5.3 in) falls on average.

Rainfall in Köstenberg in September

The climate data from previous years indicates about 13 days of rain, averaging 135 mm (5.3 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Köstenberg in September

Daytime temperatures in Köstenberg reach 18°C (64°F) in September, dropping to 8°C (46°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Köstenberg in September

The month experiences a moderate amount of sunlight, with 188 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Köstenberg in September

Average wind conditions reach 1 m/s (2 knots) in September. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

Average water temperature in September

The water sits at 20°C (68°F), which is a nice temperature for swimming. Not too cold, not too warm — most visitors are happy to spend time in the water.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Köstenberg.

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

Köstenberg Temperature in September

Min Temperature 8°C (46°F)  

Max Temperature 18°C (64°F)  

Water Temperature 20°C (68°F) *  

Chance of Rain 42%  

Precipitation 135 mm (5.3 in)  

Rainy days 13 days  

Humidity 55% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 188 hours *  

Percentage Sunshine 53% *  

* Data from: Klagenfurt, Austria (24 KM, 15 Miles).

What to Wear in Köstenberg 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. Expect water temperatures of around 20°C (68°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Köstenberg 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 Austria, check out our Köstenberg's climate page.

More climate data for Köstenberg

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Köstenberg climate overview or explore weather in Austria.