September weather forecast
Mozier, IL

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Mozier, Illinois, with an average temperature ranging between min 59.2°F (15.1°C) and max 78.8°F (26°C).

Temperature

In September, the average high-temperature marginally drops from a moderately hot 84.6°F (29.2°C) in August to a still warm 78.8°F (26°C). Mozier, during the nights of September, experiences an average temperature drop to a mild 59.2°F (15.1°C).

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Mozier, in September, during 11.4 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 130.3 rainfall days, and 17.87" (454mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September in Mozier is 12h and 26min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm CDT.

Sunshine

The average sunshine in September is 9.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Mozier, is 78.8°F (26°C), while the low-temperature averages to 59.2°F (15.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is appraised at 95°F (35°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

How much does it rain in September?

In September, the rain falls for 11.4 days. Throughout September, 1.3" (33mm) of precipitation is accumulated.

When it does not snow?

In Mozier, snow does not fall in April through October.

What is the average length of the day in September?

The average day length in September is 12h and 26min.

When are sunrise and sunset in September in Mozier?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.6h.

How high is the UV index in September?

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

Average temperature in September - Mozier, IL
  • Average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in September
Mozier, IL

Average pressure in September - Mozier, IL
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Mozier, IL

Average wind speed in September - Mozier, IL
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are January and February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in September
Mozier, IL

Average humidity in September - Mozier, IL
  • Average humidity in September: 74%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Mozier, IL

Average rainfall in September - Mozier, IL
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is May (2.17").
The driest months (with the least rainfall) are January and February (0.83").

Average rainfall days in September
Mozier, IL

Average rainfall days in September - Mozier, IL
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in September
Mozier, IL

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

The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Mozier, IL

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

The month with the highest number of snowfall days is February (6.6 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
Mozier, IL

Average daylight in September / Average sunshine in September - Mozier, IL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in September
Mozier, IL

Average sunshine days in September - Mozier, IL
  • Average sunshine days in September: 16.5 days

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

Average UV index in September
Mozier, IL

Average UV index in September - Mozier, IL
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Mozier, IL

Average cloud cover in September - Mozier, IL
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Mozier, IL

Average visibility in September - Mozier, IL
  • 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).

Mozier, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location