Illertissen Weather in September

During September, Illertissen experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 10°C (50°F). Expect quite a bit of rainfall. Around 82 mm (3.2 in) is typical.

Rainfall in Illertissen in September

You can expect rain on roughly 12 days based on historical data, averaging 82 mm (3.2 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Illertissen in September

September in Illertissen is generally perfect, with days reaching 20°C (68°F) and nights settling around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Illertissen in September

The area enjoys a moderate level of sunlight, with around 157 hours. It's a good balance between sunny and cloudy days.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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• January
• February
• March
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• May
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• October
• November
• December

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

Illertissen Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 40%  

Precipitation 82 mm (3.2 in)  

Rainy days 12 days  

Sunshine 157 hours *  

Percentage Sunshine *  

* Data from: Augsburg, Germany (60 KM, 37 Miles).

What to Wear in Illertissen in September

For Illertissen in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Illertissen 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 Illertissen's climate page.

More climate data for Illertissen

Temperature Rainfall Sunshine

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