September weather forecast
Saline Landing, IL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Saline Landing, Illinois, with an average temperature varying between 60.8°F (16°C) and 80.1°F (26.7°C).

Temperature

Saline Landing observes an average high-temperature of a still warm 80.1°F (26.7°C) in September, barely different from 84.9°F (29.4°C) in August. Saline Landing records an average low of 60.8°F (16°C) throughout the nights in September.

Humidity

In September, the average relative humidity is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 9.8 days and typically collects 0.91" (23mm) of precipitation.

Snowfall

May through October are months without snowfall in Saline Landing.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:23 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:36 pm CDT.

Sunshine

In Saline Landing, the average sunshine in September is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What are the temperatures in September?

In Saline Landing, 80.1°F (26.7°C) is the average high-temperature and 60.8°F (16°C) is the average low-temperature during September. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 95°F (35°C).

What is the average humidity in September?

In September, the average relative humidity in Saline Landing is 73%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 9.8 days and typically collects 0.91" (23mm) of precipitation.

How much does it rain in September?

In Saline Landing, in September, during 9.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow?

In Saline Landing, snow does not fall in May through October.

What is the average length of the day in September in Saline Landing?

In September, the average day length is 12h and 25min.

When are sunrise and sunset in September?

On the first day of September in Saline Landing, sunrise is at 6:23 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:36 pm CDT.

How many hours of sunshine does Saline Landing have in September?

In Saline Landing, 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 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Saline Landing, IL

Average temperature in September - Saline Landing, IL
  • Average high temperature in September: 80.1°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in September: 60.8°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

Average pressure in September
Saline Landing, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Saline Landing, IL

Average wind speed in September - Saline Landing, IL
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity in September
Saline Landing, IL

Average humidity in September - Saline Landing, IL
  • Average humidity in September: 73%

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

Average rainfall in September
Saline Landing, IL

Average rainfall in September - Saline Landing, IL
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is April (2.2").
The driest month (with the least rainfall) is September (0.91").

Average rainfall days in September
Saline Landing, IL

Average rainfall days in September - Saline Landing, IL
  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in September
Saline Landing, IL

Average snowfall in September - Saline Landing, IL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Saline Landing, IL

Average snowfall days in September - Saline Landing, IL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.4 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
Saline Landing, IL

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in September
Saline Landing, IL

Average sunshine days in September - Saline Landing, IL
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in September
Saline Landing, IL

Average UV index in September - Saline Landing, IL
  • Average UV index in September: 5

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

Average cloud cover in September
Saline Landing, IL

Average cloud cover in September - Saline Landing, IL
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in September
Saline Landing, IL

Average visibility in September - Saline Landing, 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).

Saline Landing, Illinois, USA

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