The weather in September in Heiwmeder

Looking for great weather? September is a good time to be in Heiwmeder. 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 Heiwmeder, 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 Heiwmeder

Click on any day in September to get detailed info about the usual weather on that day in Heiwmeder. 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 Heiwmeder with an average temperature of 18°C. Temperatures this month range from a low of 15°C to a high of 20°C. At night, you can expect temperatures between 6°C and 11°C.

Temperature records

With 29°C in 2023, Heiwmeder reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 5°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 16°C.

Precipitation and snowfall

In September, there is an average of 65 mm of precipitation, spread over 10 days. Of the total precipitation, about 0,6 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the Southwest.

September weather comparison

  Heiwmeder New York
Average temperature 18°C 27°C
Max. temperature 20°C 31°C
Min. temperature 6°C -5°C
Total precipitation 65 mm 57 mm
Rainy days 10 days 9 days
Total snowfall 0,6 cm 0 cm
Snowy days 1 day 0 days

Start of September

The month of September starts in Heiwmeder with mild temps, averaging around 20°C during the day and nights around 10°C.

Mid September

By mid-September, daytime temps drop to around 19°C, with nights around 10°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 Heiwmeder is around 17°C, while nighttime temps are about 7°C. A shower might pop up, but overall, the weather will be dry and sunny.

UV index

The UV index is a maximum of 7 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 Heiwmeder 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 Heiwmeder, Switzerland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Heiwmeder

Temperature in September in Heiwmeder over the years

Precipitation charts

These charts show the average amount of precipitation in September in Heiwmeder, 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 Heiwmeder

Total precipitation in September in Heiwmeder over the years

Daily Snowfall in September in Heiwmeder

Snowfall in September in Heiwmeder per year

Daily UV index in September in Heiwmeder

This chart shows the average daily UV index in September in Heiwmeder, 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 Heiwmeder

Have you been to Heiwmeder in September?

Share your weather experience in September in Heiwmeder.

Your email will not be shown in the review and will not be shared with others.

Average weather in Heiwmeder by month

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