September weather forecast
Ashmore, IL

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Weather in September

September, the first month of the autumn in Ashmore, is also a moderately hot month, with an average temperature fluctuating between 77.2°F (25.1°C) and 58.5°F (14.7°C).

Temperature

Ashmore's transition from August to September introduces an average high-temperature of a still moderately hot 77.2°F (25.1°C), marking an insignificant variation from the 81.1°F (27.3°C). During the nights in September, the temperature in Ashmore averages to a refreshing 58.5°F (14.7°C).

Humidity

In Ashmore, Illinois, the average relative humidity in September is 76%.

Rainfall

In Ashmore, Illinois, in September, during 12.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 148 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September in Ashmore, sunrise is at 6:21 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:35 pm CDT.

Sunshine

In Ashmore, the average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 5 suggests this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Ashmore in September?

In September, in Ashmore, the average high-temperature is 77.2°F (25.1°C), and the average low-temperature is 58.5°F (14.7°C). 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 appraised at 87.8°F (31°C).

What is the average humidity in September in Ashmore?

In Ashmore, the average relative humidity in September is 76%.

How many days does it rain in September in Ashmore?

In September, in Ashmore, Illinois, the rain falls for 12.1 days. Throughout September, 1.38" (35mm) of precipitation is accumulated.

When it does not snow in Ashmore?

In Ashmore, Illinois, snow does not fall in May through September.

Does it snow in Ashmore in September?

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

How many hours of daylight does Ashmore have in September?

In Ashmore, Illinois, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Ashmore?

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:22 pm. On the last day of the month, in Ashmore, Illinois, sunrise is at 6:47 am and sunset at 6:35 pm CDT.

How long on average sun shines in September in Ashmore?

In Ashmore, the average sunshine duration in September is 8.9h.

What is the UV index reading in September in Ashmore?

In September, the average daily maximum UV index in Ashmore, Illinois, is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
Ashmore, IL

Average temperature in September - Ashmore, IL
  • Average high temperature in September: 77.2°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in September: 58.5°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in September
Ashmore, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Ashmore, IL

Average wind speed in September - Ashmore, IL
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity in September
Ashmore, IL

Average humidity in September - Ashmore, IL
  • Average humidity in September: 76%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Ashmore, IL

Average rainfall in September - Ashmore, IL
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is February (1.3").

Average rainfall days in September
Ashmore, IL

Average rainfall days in September - Ashmore, IL
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in September
Ashmore, IL

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

The month with the highest snowfall is December (2.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Ashmore, IL

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

The month with the highest number of snowfall days is January (8.1 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
Ashmore, IL

Average daylight in September / Average sunshine in September - Ashmore, 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 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Ashmore, IL

Average sunshine days in September - Ashmore, IL
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in September
Ashmore, IL

Average UV index in September - Ashmore, 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
Ashmore, IL

Average cloud cover in September - Ashmore, IL
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in September
Ashmore, IL

Average visibility in September - Ashmore, 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).

Ashmore, Illinois, USA

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