September weather forecast
Saint Nazianz, WI

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Weather in September

September, the first month of the autumn in Saint Nazianz, is also an agreeable month, with an average temperature ranging between max 68°F (20°C) and min 56.1°F (13.4°C).

Temperature

The start of September involves a subtle temperature drop, shifting from a moderately hot 74.5°F (23.6°C) in August to a pleasant 68°F (20°C). Saint Nazianz experiences a mean low-temperature of 56.1°F (13.4°C) during September.

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Saint Nazianz, in September, it is raining for 13.4 days, with typically 2.36" (60mm) of accumulated precipitation. In Saint Nazianz, during the entire year, the rain falls for 137.7 days and collects up to 27.64" (702mm) of precipitation.

Snowfall

In Saint Nazianz, snow does not fall in May through September.

Daylight

In Saint Nazianz, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 6:15 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:33 pm CDT.

Sunshine

In September, the average sunshine in Saint Nazianz is 9.1h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

An average high-temperature, in September, in Saint Nazianz, is 68°F (20°C) and the average low-temperature is 56.1°F (13.4°C).

What is the average humidity in September?

In Saint Nazianz, the average relative humidity in September is 80%.

How many days does it rain in September?

In September, in Saint Nazianz, the rain falls for 13.4 days. Throughout September, 2.36" (60mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Saint Nazianz have in September?

In September, the average day length is 12h and 30min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:15 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:33 pm CDT.

How many hours of sunshine does Saint Nazianz have in September?

The average sunshine duration in September is 9.1h.

How high is the UV index in September?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Saint Nazianz, WI

Average temperature in September - Saint Nazianz, WI
  • Average high temperature in September: 68°F

The warmest months (with the highest average high temperature) are July and August (74.5°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in September: 56.1°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

Average pressure in September
Saint Nazianz, WI

Average pressure in September - Saint Nazianz, WI
  • Average pressure in September: 30.03"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).

Average wind speed in September
Saint Nazianz, WI

Average wind speed in September - Saint Nazianz, WI
  • Average wind speed in September: 9.7mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

Average humidity in September
Saint Nazianz, WI

Average humidity in September - Saint Nazianz, WI
  • Average humidity in September: 80%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is November (77%).

Average rainfall in September
Saint Nazianz, WI

Average rainfall in September - Saint Nazianz, WI
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is May (3.5").
The driest months (with the least rainfall) are January and February (1.14").

Average rainfall days in September
Saint Nazianz, WI

Average rainfall days in September - Saint Nazianz, WI
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (3.6 days).

Average snowfall in September
Saint Nazianz, WI

Average snowfall in September - Saint Nazianz, WI
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Saint Nazianz, WI

Average snowfall days in September - Saint Nazianz, WI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Saint Nazianz, WI

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).

Average sunshine days in September
Saint Nazianz, WI

Average sunshine days in September - Saint Nazianz, WI
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is December (17.1 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in September
Saint Nazianz, WI

Average UV index in September - Saint Nazianz, WI
  • Average UV index in September: 4

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

Average cloud cover in September
Saint Nazianz, WI

Average cloud cover in September - Saint Nazianz, WI
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in September
Saint Nazianz, WI

Average visibility in September - Saint Nazianz, WI
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Saint Nazianz, Wisconsin, USA

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