September weather forecast
Rhinelander, WI

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Weather in September

The first month of the autumn, September, is still a comfortable month in Rhinelander, Wisconsin, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 48.4°F (9.1°C).

Temperature

The onset of September brings a small shift in high-temperatures, falling from a moderately hot 75.2°F (24°C) in August to a comfortable 67.1°F (19.5°C). During September, Rhinelander experiences an average low-temperature of 48.4°F (9.1°C) at night.

Humidity

The average relative humidity in September in Rhinelander, Wisconsin, is 80%.

Rainfall

In Rhinelander, Wisconsin, during September, the rain falls for 13.3 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Rhinelander, during the entire year, the rain falls for 125.3 days and collects up to 22.87" (581mm) of precipitation.

Snowfall

In Rhinelander, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of September in Rhinelander, sunrise is at 6:19 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:39 pm CDT.

Sunshine

In September, the average sunshine in Rhinelander is 7.7h.

UV index

In Rhinelander, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 3 in September transforms into this advice:
Heed the precautions - It is counselled to guard against solar damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What is the temperature in September in Rhinelander?

The high-temperature in Rhinelander during September is 67.1°F (19.5°C) and the low-temperature is 48.4°F (9.1°C).

What is the average humidity in September in Rhinelander?

In Rhinelander, Wisconsin, the average relative humidity in September is 80%.

How many days does it rain in September in Rhinelander?

In Rhinelander, in September, it is raining for 13.3 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow in Rhinelander?

In Rhinelander, snow does not fall in June through September.

Does it snow in Rhinelander in September?

In Rhinelander, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Rhinelander have in September?

In September, the average day length in Rhinelander is 12h and 31min.

When is the sunrise / sunset in September in Rhinelander?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:34 pm. On the last day of the month, in Rhinelander, Wisconsin, sunrise is at 6:55 am and sunset at 6:39 pm CDT.

How many hours of sunshine does Rhinelander have in September?

In September, the average sunshine duration in Rhinelander, Wisconsin, is 7.7h.

What is the UV index intensity in September in Rhinelander?

The average daily maximum UV index in September in Rhinelander is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Rhinelander, WI

Average temperature in September - Rhinelander, WI
  • Average high temperature in September: 67.1°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in September: 48.4°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

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Average pressure in September
Rhinelander, WI

Average pressure in September - Rhinelander, WI
  • Average pressure in September: 30.01"Hg

The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Rhinelander, WI

Average wind speed in September - Rhinelander, WI
  • Average wind speed in September: 7.3mph

The windiest months (with the highest average wind speed) are April and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in September
Rhinelander, WI

Average humidity in September - Rhinelander, WI
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in September
Rhinelander, WI

Average rainfall in September - Rhinelander, WI
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in September
Rhinelander, WI

Average rainfall days in September - Rhinelander, WI
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in September
Rhinelander, WI

Average snowfall in September - Rhinelander, WI
  • Average snowfall in September: 0"

The month with the highest snowfall is December (8.58").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Rhinelander, WI

Average snowfall days in September - Rhinelander, WI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (21.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Rhinelander, WI

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).

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Average sunshine days in September
Rhinelander, WI

Average sunshine days in September - Rhinelander, WI
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is October (14.3 days).
The month with the least sunshine days is February (10.3 days).

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Average UV index in September
Rhinelander, WI

Average UV index in September - Rhinelander, WI
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in September
Rhinelander, WI

Average cloud cover in September - Rhinelander, WI
  • Average cloud cover in September: 45

The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 39).

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Average visibility in September
Rhinelander, WI

Average visibility in September - Rhinelander, WI
  • Average visibility in September: 5mi

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

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Rhinelander, Wisconsin, USA

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