September weather forecast
Guthrie, IL

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Weather in September

September, the first month of the autumn in Guthrie, is also a moderately hot month, with an average temperature fluctuating between 75.7°F (24.3°C) and 57.4°F (14.1°C).

Temperature

The arrival of September is marked by an average high-temperature of a still moderately hot 75.7°F (24.3°C), bearing a close resemblance to August. Nighttime temperature lowers to an average of 57.4°F (14.1°C) in September.

Humidity

The average relative humidity in September in Guthrie is 77%.

Rainfall

In Guthrie, in September, during 10.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Guthrie, during the entire year, the rain falls for 126.2 days and collects up to 14.96" (380mm) of precipitation.

Snowfall

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

Daylight

In Guthrie, Illinois, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:24 pm. On the last day of September, in Guthrie, sunrise is at 6:49 am and sunset at 6:36 pm CDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In Guthrie, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Guthrie in September?

Guthrie in September has an average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 57.4°F (14.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in July is evaluated at 86°F (30°C).

What is the average humidity in September in Guthrie?

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

How many days does it rain in September in Guthrie?

In Guthrie, in September, during 10.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When it does not snow in Guthrie?

May through September are months without snowfall in Guthrie, Illinois.

Does it snow in Guthrie in September?

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

What is the average length of the day in September in Guthrie?

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

What time are sunrise and sunset in September in Guthrie?

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:24 pm. On the last day of the month, in Guthrie, sunrise is at 6:49 am and sunset at 6:36 pm CDT.

How long on average sun shines in September in Guthrie?

The average sunshine duration in September in Guthrie is 8.7h.

What is the UV index intensity in September in Guthrie?

In Guthrie, Illinois, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Guthrie, IL

Average temperature in September - Guthrie, IL
  • Average high temperature in September: 75.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 57.4°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 (19.6°F).

Average pressure in September
Guthrie, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Guthrie, IL

Average wind speed in September - Guthrie, IL
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in September
Guthrie, IL

Average humidity in September - Guthrie, 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
Guthrie, IL

Average rainfall in September - Guthrie, IL
  • Average rainfall in September: 0.94"

The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are February and December (0.75").

Average rainfall days in September
Guthrie, IL

Average rainfall days in September - Guthrie, IL
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in September
Guthrie, IL

Average snowfall in September - Guthrie, 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
Guthrie, IL

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

The month with the highest number of snowfall days is January (9.3 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
Guthrie, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 4min

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

Average sunshine days in September
Guthrie, IL

Average sunshine days in September - Guthrie, IL
  • Average sunshine days in September: 17 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in September
Guthrie, IL

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

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

Average cloud cover in September
Guthrie, IL

Average cloud cover in September - Guthrie, IL
  • Average cloud cover in September: 33

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 33).

Average visibility in September
Guthrie, IL

Average visibility in September - Guthrie, 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).

Guthrie, Illinois, USA

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