Saint-Luc
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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.

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).

Saint-Luc Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Saint-Luc - and find the best time to visit.

Best Places in Switzerland in September

Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland 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 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

Saint-Luc 3-Day Forecast

More climate data for Saint-Luc

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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