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Average weather for Fond du Lac in September

It's warm in September in Fond du Lac with an average temperature of 24°C. Temperatures this month range from a low of 19°C to a high of 27°C. At night, you can expect temperatures between 9°C and 17°C.

Daily Temperature in September in Fond du Lac

Start of September

The month of September starts in Fond du Lac with warm temps, averaging around 25°C during the day and nights around 15°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.

Mid September

By mid-September, daytime temps stay steady at around 25°C, with nights around 14°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Fond du Lac is around 23°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

In September, there is an average of 181 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the South.

Fond du Lac in September

New York
Temperature Average temperature
24°C 27°C
Sun Max. temperature
27°C 31°C
Sun Min. temperature
19°C -5°C
Rain Total precipitation
181 mm 57 mm
Rain Rainy days
8 days 9 days

UV index

The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Is September a good time to visit Fond du Lac?

Looking for sun? September isn’t a good month to be in Fond du Lac. The temperature is nice, but there’s too much chance of rain.

Temperature records

With 35°C in 2023, Fond du Lac reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 8°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 24°C.

Check out the climate of Fond du Lac for all months and discover the best travel time

Daily Temperature in September in Fond du Lac

This chart shows the average daily high and low temperatures in September for Fond du Lac, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in September in Fond du Lac

Daily Precipitation in September in Fond du Lac

The chart below shows the average daily precipitation in September for Fond du Lac, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 8 days of precipitation in Fond du Lac.

Daily Precipitation in September in Fond du Lac

Daily UV index in September in Fond du Lac

This chart shows the average daily UV index in September in Fond du Lac, 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.

Daily UV Index in September in Fond du Lac

Temperature in September in Fond du Lac over the years

This chart shows the average temperature in September in Fond du Lac, measured in degrees Celsius, over the past few years.

Temperature in September in Fond du Lac Over the Years

Total precipitation in September in Fond du Lac over the years

This chart shows the average precipitation in September in Fond du Lac, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in September in Fond du Lac over the years

Daily weather in September for Fond du Lac

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

Weather experiences in September in Fond du Lac

Have you been to Fond du Lac in September?

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Average weather in Fond du Lac by month

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


Or check out the climate of Fond du Lac for all months at once

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