September weather forecast
Saunemin, IL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Saunemin, Illinois, with an average temperature ranging between min 57°F (13.9°C) and max 74.8°F (23.8°C).

Temperature

September ushers in an average high-temperature of a still warm 74.8°F (23.8°C), aligning closely with the preceding month. Throughout the month of September, Saunemin expects an average low of 57°F (13.9°C).

Humidity

In Saunemin, the average relative humidity in September is 77%.

Rainfall

In September, the rain falls for 9.9 days. Throughout September, 1.02" (26mm) of precipitation is accumulated. Throughout the year, in Saunemin, there are 117.5 rainfall days, and 13.74" (349mm) of precipitation is accumulated.

Snowfall

In Saunemin, snow does not fall in May through September.

Daylight

In September, the average length of the day in Saunemin is 12h and 27min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:36 pm CDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

In Saunemin, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Saunemin in September?

The average high-temperature and low-temperature in Saunemin during September are 74.8°F (23.8°C) and 57°F (13.9°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 87.8°F (31°C).

What is the average humidity in September in Saunemin?

In September, the average relative humidity is 77%.

How much does it rain in September?

In Saunemin, Illinois, in September, during 9.9 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Saunemin have in September?

The average day length in September is 12h and 27min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:36 pm CDT.

How many hours of sunshine does Saunemin have in September?

The average sunshine duration in September is 8.8h.

What is the UV index intensity in September?

In Saunemin, Illinois, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Saunemin, IL

Average temperature in September - Saunemin, IL
  • Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in September
Saunemin, IL

Average pressure in September - Saunemin, IL
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Saunemin, IL

Average wind speed in September - Saunemin, IL
  • Average wind speed in September: 7.3mph

The windiest months (with the highest average wind speed) are January and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in September
Saunemin, IL

Average humidity in September - Saunemin, IL
  • Average humidity in September: 77%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Saunemin, IL

Average rainfall in September - Saunemin, IL
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are February and November (0.63").

Average rainfall days in September
Saunemin, IL

Average rainfall days in September - Saunemin, IL
  • Average rainfall days in September: 9.9 days

The months with the highest number of rainy days are May and July (14.8 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in September
Saunemin, IL

Average snowfall in September - Saunemin, IL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Saunemin, IL

Average snowfall days in September - Saunemin, IL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Saunemin, IL

Average daylight in September / Average sunshine in September - Saunemin, IL
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Saunemin, IL

Average sunshine days in September - Saunemin, IL
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in September
Saunemin, IL

Average UV index in September - Saunemin, IL
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Saunemin, IL

Average cloud cover in September - Saunemin, IL
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).

Average visibility in September
Saunemin, IL

Average visibility in September - Saunemin, IL
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

Saunemin, Illinois, USA

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