September weather forecast
Little Round Lake, WI

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Weather in September

The first month of the autumn, September, is still a pleasant month in Little Round Lake, Wisconsin, with an average temperature fluctuating between 68.4°F (20.2°C) and 49.1°F (9.5°C).

Temperature

September signifies a minor drop in average high-temperature, transitioning from a moderately hot 77.2°F (25.1°C) in August to an agreeable 68.4°F (20.2°C). Little Round Lake observes an average low-temperature of 49.1°F (9.5°C) during September nights.

Humidity

In September, the average relative humidity in Little Round Lake is 79%.

Rainfall

In Little Round Lake, in September, it is raining for 12.4 days, with typically 1.57" (40mm) of accumulated precipitation. In Little Round Lake, during the entire year, the rain falls for 114.4 days and collects up to 20.79" (528mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Little Round Lake is 12h and 31min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:46 pm CDT.

Sunshine

The average sunshine in September is 8h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

Little Round Lake in September has an average high-temperature of 68.4°F (20.2°C) and an average low-temperature of 49.1°F (9.5°C).

What is the average humidity in September?

In Little Round Lake, the average relative humidity in September is 79%.

How many days does it rain in September?

In Little Round Lake, in September, during 12.4 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Little Round Lake, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Little Round Lake have in September?

The average day length in September is 12h and 31min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:46 pm CDT.

How long on average sun shines in September?

In Little Round Lake, the average sunshine duration in September is 8h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Little Round Lake, WI

Average temperature in September - Little Round Lake, WI
  • Average high temperature in September: 68.4°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (17.4°F).

  • Average low temperature in September: 49.1°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).

Average pressure in September
Little Round Lake, WI

Average pressure in September - Little Round Lake, WI
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in September
Little Round Lake, WI

Average wind speed in September - Little Round Lake, WI
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in September
Little Round Lake, WI

Average humidity in September - Little Round Lake, WI
  • Average humidity in September: 79%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (72%).

Average rainfall in September
Little Round Lake, WI

Average rainfall in September - Little Round Lake, WI
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in September
Little Round Lake, WI

Average rainfall days in September - Little Round Lake, WI
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (2.3 days).

Average snowfall in September
Little Round Lake, WI

Average snowfall in September - Little Round Lake, WI
  • Average snowfall in September: 0"

The month with the highest snowfall is December (7.17").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Little Round Lake, WI

Average snowfall days in September - Little Round Lake, WI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Little Round Lake, WI

Average daylight in September / Average sunshine in September - Little Round Lake, WI
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).

Average sunshine days in September
Little Round Lake, WI

Average sunshine days in September - Little Round Lake, WI
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (10.9 days).

Average UV index in September
Little Round Lake, WI

Average UV index in September - Little Round Lake, WI
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in September
Little Round Lake, WI

Average cloud cover in September - Little Round Lake, WI
  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in September
Little Round Lake, WI

Average visibility in September - Little Round Lake, WI
  • Average visibility in September: 5mi

The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Little Round Lake, Wisconsin, USA

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