The weather in September in Saint-Luc

Looking for sun and warm weather? September isn’t a good month to be in Saint-Luc. The temperatures are too low for a warm stay this month.

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Saint-Luc, Switzerland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Daily weather in September for Saint-Luc

Click on any day in September to get detailed info about the usual weather on that day in Saint-Luc. Check out the historical temperatures and precipitation over the past 10 years on this day.

Average temperatures

It's cool to moderate in September in Saint-Luc with an average temperature of 17°C. Temperatures this month range from a low of 14°C to a high of 20°C. At night, you can expect temperatures between 5°C and 10°C.

Temperature records

With 34°C in 2023, Saint-Luc reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 2°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 15°C.

Precipitation and snowfall

In September, there is an average of 35 mm of precipitation, spread over 7 days. Of the total precipitation, about 1,6 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the Southwest.

September weather comparison

  Saint-Luc New York
Average temperature 17°C 27°C
Max. temperature 20°C 31°C
Min. temperature 5°C -5°C
Total precipitation 35 mm 57 mm
Rainy days 7 days 9 days
Total snowfall 1,6 cm 0 cm
Snowy days 1 day 0 days

Start of September

The month of September starts in Saint-Luc with mild temps, averaging around 19°C during the day and nights around 9°C.

Mid September

By mid-September, daytime temps drop to around 18°C, with nights around 9°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of September

By the end of September, the average daytime temperature in Saint-Luc is around 16°C, while nighttime temps are about 7°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Saint-Luc for all months and discover the best travel time

Curious about the weather in other parts of Switzerland? Check out the climate and weather for spots like Zurich, Geneva, Valais, or explore other destinations in Switzerland.

Temperature charts

These charts show the average temperatures in September in Saint-Luc, Switzerland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Saint-Luc

Temperature in September in Saint-Luc over the years

Precipitation charts

These charts show the average amount of precipitation in September in Saint-Luc, Switzerland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Saint-Luc

Total precipitation in September in Saint-Luc over the years

Daily Snowfall in September in Saint-Luc

Snowfall in September in Saint-Luc per year

Daily UV index in September in Saint-Luc

This chart shows the average daily UV index in September in Saint-Luc, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Saint-Luc

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Average weather in Saint-Luc by month

Click on a month below to see detailed weather info for Saint-Luc. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.