September weather forecast
East Galesburg, IL

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Weather in September

September, the first month of the autumn in East Galesburg, is also a moderately hot month, with an average temperature varying between 56.3°F (13.5°C) and 75.6°F (24.2°C).

Temperature

The arrival of September coincides with an average high-temperature of a still moderately hot 75.6°F (24.2°C), indicating a minimal shift from August's 80.6°F (27°C). East Galesburg experiences an average low-temperature of 56.3°F (13.5°C) in the month of September.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In East Galesburg, Illinois, in September, during 8.7 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In East Galesburg, during the entire year, the rain falls for 109.9 days and collects up to 11.14" (283mm) of precipitation.

Snowfall

In East Galesburg, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:44 pm CDT.

Sunshine

The average sunshine in September is 9.2h.

UV index

The average daily maximum UV index in September in East Galesburg is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake protective steps - Preventing sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in East Galesburg in September?

In East Galesburg, in September, the average high-temperature is 75.6°F (24.2°C), and the average low-temperature is 56.3°F (13.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is estimated at 86°F (30°C).

What is the average humidity in September in East Galesburg?

The average relative humidity in September in East Galesburg is 76%.

How many days does it rain in September in East Galesburg?

In East Galesburg, in September, it is raining for 8.7 days, with typically 1.02" (26mm) of accumulated precipitation.

When it does not snow in East Galesburg?

May through September are months without snowfall in East Galesburg, Illinois.

Does it snow in East Galesburg in September?

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

What is the average length of the day in September in East Galesburg?

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

When is the sunrise / sunset in September in East Galesburg?

On the first day of September in East Galesburg, Illinois, sunrise is at 6:28 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm CDT.

How many hours of sunshine does East Galesburg have in September?

In September, the average sunshine duration in East Galesburg, Illinois, is 9.2h.

What is the UV index reading in September in East Galesburg?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
East Galesburg, IL

Average temperature in September - East Galesburg, IL
  • Average high temperature in September: 75.6°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 (29.5°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in September
East Galesburg, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
East Galesburg, IL

Average wind speed in September - East Galesburg, IL
  • Average wind speed in September: 7.9mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in September
East Galesburg, IL

Average humidity in September - East Galesburg, IL
  • Average humidity in September: 76%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
East Galesburg, IL

Average rainfall in September - East Galesburg, IL
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are January and December (0.47").

Average rainfall days in September
East Galesburg, IL

Average rainfall days in September - East Galesburg, IL
  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in September
East Galesburg, IL

Average snowfall in September - East Galesburg, IL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
East Galesburg, IL

Average snowfall days in September - East Galesburg, IL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.8 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
East Galesburg, IL

Average daylight in September / Average sunshine in September - East Galesburg, 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: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
East Galesburg, IL

Average sunshine days in September - East Galesburg, IL
  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in September
East Galesburg, IL

Average UV index in September - East Galesburg, IL
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
East Galesburg, IL

Average cloud cover in September - East Galesburg, IL
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in September
East Galesburg, IL

Average visibility in September - East Galesburg, IL
  • Average visibility in September: 6mi

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

East Galesburg, Illinois, USA

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