Gryon Weather in September

Gryon in September averages 16°C (61°F) during the day and 5°C (41°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Gryon in September

You can expect rain on around 14 days based on historical patterns, with 146 mm (5.7 in) average 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 Gryon in September

Expect highs of 16°C (61°F) in Gryon in September, with nights dropping to around 5°C (41°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Gryon in September

The month enjoys around 210 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Gryon in September

Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

If you prefer dry days with pleasant temperatures, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Gryon Temperature in September

Min Temperature 5°C (41°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 45%  

Precipitation 146 mm (5.7 in)  

Rainy days 14 days  

Humidity 71% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 210 hours *  

Percentage Sunshine 65% *  

* Data from: Sion, Switzerland (21 KM, 13 Miles).

What to Wear in Gryon 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Gryon in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

5/10

Walking

5/10

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 Switzerland, check out our Gryon's climate page.

More climate data for Gryon

Temperature Rainfall Sunshine Humidity Wind Speed

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