Idstein Weather in September

September in Idstein 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 Idstein in September

You can expect rain on around 13 days based on historical patterns, with 68 mm (2.7 in) average 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 Idstein in September

September tends to be one of the perfect months in Idstein, with 20°C (68°F) in the afternoon and 10°C (50°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Idstein in September

The city usually sees around 158 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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For a detailed overview over the year and the best time to visit Germany, check out our Idstein's climate page.

Idstein Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 43%  

Precipitation 68 mm (2.7 in)  

Rainy days 13 days  

Humidity 78% *  

Sunshine 158 hours *  

Percentage Sunshine 40% *  

* Data from: Frankfurt, Germany (29 KM, 18 Miles).

What to Wear in Idstein in September

For Idstein 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. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Idstein 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 Idstein's climate page.

More climate data for Idstein

Temperature Rainfall Sunshine Humidity

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