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Grenzach-Wyhlen Weather in September
Grenzach-Wyhlen in September averages 21°C (70°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Grenzach-Wyhlen in September
Historically, the month has about 13 days of rain, averaging 97 mm (3.8 in) in total. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Grenzach-Wyhlen in September
September is a good time to be in Grenzach-Wyhlen. Days are excellent, reaching 21°C (70°F), with nights around 10°C (50°F). 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 Grenzach-Wyhlen in September
The month brings about 162 hours of sunlight, offering a comfortable mix of sun and overcast.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Grenzach-Wyhlen Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
42%
Precipitation
97 mm (3.8 in)
Rainy days
13 days
Humidity
77% *
Sunshine
162 hours *
Percentage Sunshine
47% *
* Data from: Basel, Switzerland (7 KM, 4 Miles).
Grenzach-Wyhlen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grenzach-Wyhlen - and find the best time to visit.
Best Places in Germany in September
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Grenzach-Wyhlen in September
For Grenzach-Wyhlen 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 Grenzach-Wyhlen in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Grenzach-Wyhlen 3-Day Forecast
More climate data for Grenzach-Wyhlen
Temperature Rainfall Sunshine Humidity
See the full Grenzach-Wyhlen climate overview or explore weather in Germany.
Popular in September
Where to go in September - average daytime high across popular destinations.
Berlin
21°C (70°F) Hanover20°C (68°F) Cologne21°C (70°F) Düsseldorf21°C (70°F) Munich
20°C (68°F) Hamburg20°C (68°F) Binz
18°C (64°F) Winterberg18°C (64°F) Bucket list
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