Saint-Luc Weather in September

Saint-Luc in September sees moderate temperatures, with highs around 14°C (57°F) and overnight lows of 3°C (37°F). Rainfall is fairly high at around 117 mm (4.6 in) on average, so pack waterproofs just in case.

Rainfall in Saint-Luc in September

Historically, September sees about 14 days of rain, with a monthly average of 117 mm (4.6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Saint-Luc in September

Daytime highs in Saint-Luc in September reach 14°C (57°F), with nights around 3°C (37°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 3°C (37°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 Saint-Luc in September

Expect sunny days throughout the month, with an estimated 210 hours of sunshine. Despite the cool temperatures, the sunny skies make it a pleasant time to visit Saint-Luc.

Wind Speed in Saint-Luc in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Saint-Luc.

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 Saint-Luc's climate page.

Saint-Luc Temperature in September

Min Temperature 3°C (37°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 48%  

Precipitation 117 mm (4.6 in)  

Rainy days 14 days  

Humidity 71% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 210 hours *  

Percentage Sunshine 65% *  

* Data from: Sion, Switzerland (20 KM, 12 Miles).

What to Wear in Saint-Luc in September

Pack for changing conditions in Saint-Luc in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Saint-Luc in September

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

Swimming

4/10

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 Saint-Luc's climate page.

More climate data for Saint-Luc

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Saint-Luc climate overview or explore weather in Switzerland.