September weather forecast
Xenia, IL

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Weather in September

September, the first month of the autumn in Xenia, is also a moderately hot month, with an average temperature ranging between min 59.9°F (15.5°C) and max 78.6°F (25.9°C).

Temperature

Xenia greets September with an average high-temperature of a still warm 78.6°F (25.9°C), marking a slight deviation from the preceding month. During September in Xenia, the average low-temperature is recorded at a refreshing 59.9°F (15.5°C).

Humidity

In September, the average relative humidity is 74%.

Rainfall

The months with the least rainfall are February and September Rain falls for 13.3 days and accumulates 2.09" (53mm) of rain.

Snowfall

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

Daylight

In Xenia, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:24 pm. On the last day of September, in Xenia, sunrise is at 6:50 am and sunset at 6:38 pm CDT.

Sunshine

In Xenia, the average sunshine in September is 9.2h.

UV index

In Xenia, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Xenia?

In September, the average high-temperature and low-temperature are 78.6°F (25.9°C) and 59.9°F (15.5°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 91.4°F (33°C).

What is the average humidity in September in Xenia?

The average relative humidity in September is 74%.

What is the driest month in Xenia?

The months with the least rainfall in Xenia, Illinois, are February and September Rain falls for 13.3 days and accumulates 2.09" (53mm) of rain.

How much does it rain in Xenia in September?

In Xenia, in September, it is raining for 13.3 days, with typically 2.09" (53mm) of accumulated precipitation.

When it does not snow in Xenia?

May through September are months without snowfall in Xenia.

Does it snow in Xenia in September?

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

How many hours of daylight does Xenia have in September?

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

What time are sunrise and sunset in September in Xenia?

On the first day of September in Xenia, Illinois, sunrise is at 6:24 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:38 pm CDT.

How many hours of sunshine does Xenia have in September?

In Xenia, the average sunshine duration in September is 9.2h.

What is the UV index intensity in September in Xenia?

The average daily maximum UV index in September in Xenia is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Xenia, IL

Average temperature in September - Xenia, IL
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Xenia, IL

Average pressure in September - Xenia, 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 (29.93"Hg).

Average wind speed in September
Xenia, IL

Average wind speed in September - Xenia, IL
  • Average wind speed in September: 6.7mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in September
Xenia, IL

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

The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Xenia, IL

Average rainfall in September - Xenia, IL
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is April (4.88").
The driest months (with the least rainfall) are February and September (2.09").

Average rainfall days in September
Xenia, IL

Average rainfall days in September - Xenia, IL
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in September
Xenia, IL

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Xenia, IL

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

The month with the highest number of snowfall days is January (7.1 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
Xenia, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • 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 24min).

Average sunshine days in September
Xenia, IL

Average sunshine days in September - Xenia, IL
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9 days).

Average UV index in September
Xenia, IL

Average UV index in September - Xenia, 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, November and December (UV index 2).

Average cloud cover in September
Xenia, IL

Average cloud cover in September - Xenia, 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
Xenia, IL

Average visibility in September - Xenia, 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).

Xenia, Illinois, USA

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