The weather in September in Little Switzerland

Looking for great weather? September is a good time to be in Little Switzerland. The temperatures are nice, and there’s not too much rain.

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Little Switzerland, Luxembourg. 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 Little Switzerland

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

Average temperatures

It's pleasantly warm in September in Little Switzerland with an average temperature of 22°C. Temperatures this month range from a low of 18°C to a high of 25°C. At night, you can expect temperatures between 9°C and 14°C.

Temperature records

With 34°C in 2020, Little Switzerland reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 11°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 18°C.

Rainfall amount

In September, there is an average of 52 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the South.

September weather comparison

  Little Switzerland New York
Average temperature 22°C 27°C
Max. temperature 25°C 31°C
Min. temperature 9°C -5°C
Total precipitation 52 mm 57 mm
Rainy days 9 days 9 days

Start of September

The month of September starts in Little Switzerland with warm temps, averaging around 24°C during the day and nights around 13°C.

Mid September

By mid-September, daytime temps drop to around 23°C, with nights around 13°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 Little Switzerland is around 20°C, while nighttime temps are about 10°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

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UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Little Switzerland for all months and discover the best travel time

Curious about the weather in other parts of Luxembourg? Check out the climate and weather for spots like Luxembourg, Luxemburgse Ardennen, Vianden, or explore other destinations in Luxembourg.

Temperature charts

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

Daily Temperature in September in Little Switzerland

Temperature in September in Little Switzerland over the years

Precipitation charts

These charts show the average amount of precipitation in September in Little Switzerland, Luxembourg. 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 Little Switzerland

Total precipitation in September in Little Switzerland over the years

Daily UV index in September in Little Switzerland

This chart shows the average daily UV index in September in Little Switzerland, 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 Little Switzerland

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Average weather in Little Switzerland by month

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