September weather forecast
Galatia, IL

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Weather in September

The first month of the autumn, September, is still a warm month in Galatia, Illinois, with an average temperature ranging between max 80.8°F (27.1°C) and min 60.4°F (15.8°C).

Temperature

The average high-temperature for September is a still warm 80.8°F (27.1°C), closely aligning with the temperature of the preceding month. The month of September records an average low-temperature of 60.4°F (15.8°C).

Heat index

The average heat index in September is computed to be 84.2°F (29°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

The average relative humidity in September in Galatia, Illinois, is 73%.

Rainfall

The month with the least rainfall in Galatia, Illinois, is September, when the rain falls for 10.5 days and typically collects 1.57" (40mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day in Galatia is 12h and 25min.
On the first day of September in Galatia, sunrise is at 6:25 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Galatia is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What are the temperatures in Galatia in September?

In September, the average high-temperature and low-temperature are 80.8°F (27.1°C) and 60.4°F (15.8°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 84.2°F (29°C).

What is the average humidity in September in Galatia?

The average relative humidity in September is 73%.

What is the driest month in Galatia?

The month with the least rainfall in Galatia, Illinois, is September, when the rain falls for 10.5 days and typically collects 1.57" (40mm) of precipitation.

How much does it rain in Galatia in September?

In Galatia, in September, it is raining for 10.5 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow in Galatia?

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

Does it snow in Galatia in September?

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

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

The average day length in September is 12h and 25min.

When is the sunrise / sunset in September in Galatia?

On the first day of September in Galatia, Illinois, sunrise is at 6:25 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.

How many hours of sunshine does Galatia have in September?

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

What is the UV index intensity in September in Galatia?

The average daily maximum UV index in September in Galatia, 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
Galatia, IL

Average temperature in September - Galatia, IL
  • Average high temperature in September: 80.8°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in September: 60.4°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in September
Galatia, IL

Average pressure in September - Galatia, 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 (29.94"Hg).

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Average wind speed in September
Galatia, IL

Average wind speed in September - Galatia, IL
  • Average wind speed in September: 6.4mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in September
Galatia, IL

Average humidity in September - Galatia, IL
  • Average humidity in September: 73%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Galatia, IL

Average rainfall in September - Galatia, IL
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in September
Galatia, IL

Average rainfall days in September - Galatia, IL
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in September
Galatia, IL

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

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Galatia, IL

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

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Galatia, IL

Average daylight in September / Average sunshine in September - Galatia, 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 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in September
Galatia, IL

Average sunshine days in September - Galatia, IL
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).

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Average UV index in September
Galatia, IL

Average UV index in September - Galatia, 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).

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Average cloud cover in September
Galatia, IL

Average cloud cover in September - Galatia, IL
  • Average cloud cover in September: 28

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

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Average visibility in September
Galatia, IL

Average visibility in September - Galatia, 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).

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Galatia, Illinois, USA

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