Crassier Weather in September

September in Crassier sees daytime temperatures around 20°C (68°F) and lows of 10°C (50°F) at night. With around 129 mm (5.1 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Crassier in September

Analyzing past climate data, one can expect approximately 13 days of rain, averaging 129 mm (5.1 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Crassier in September

If you're visiting Crassier in September, expect highs of 20°C (68°F) and overnight lows around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. 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 Crassier in September

The area enjoys a moderate level of sunlight, with around 183 hours. It's a good balance between sunny and cloudy days.

Average water temperature in September

The water is 20°C (68°F) this month — a comfortable temperature that most swimmers enjoy. Warm enough to stay in without getting cold quickly.

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 Switzerland, check out our Crassier's climate page.

Crassier Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 20°C (68°F)  

Water Temperature 20°C (68°F) *  

Chance of Rain 42%  

Precipitation 129 mm (5.1 in)  

Rainy days 13 days  

Humidity 74% *  

Sunshine 183 hours *  

Percentage Sunshine 55% *  

* Data from: Geneva, Switzerland (18 KM, 11 Miles).

What to Wear in Crassier in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 20°C (68°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Crassier 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

6/10

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 Switzerland, check out our Crassier's climate page.

More climate data for Crassier

Temperature Rainfall Sunshine Humidity Water Temp

See the full Crassier climate overview or explore weather in Switzerland.