September weather forecast
Steeles, MO

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Weather in September

September, the first month of the autumn in Steeles, is still a warm month, with an average temperature varying between 62.2°F (16.8°C) and 82°F (27.8°C).

Temperature

With the arrival of September, Steeles experiences a modest decline in average high-temperatures, transitioning from a tropical 87.8°F (31°C) in August to a moderately hot 82°F (27.8°C). September nights cool down to an average low-temperature of 62.2°F (16.8°C).

Heat index

The heat index value for September is computed to be a hot 87.8°F (31°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

In Steeles, the average relative humidity in September is 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

April through September are months without snowfall in Steeles.

Daylight

In Steeles, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:30 pm. On the last day of September, in Steeles, Missouri, sunrise is at 6:58 am and sunset at 6:47 pm CDT.

Sunshine

In Steeles, the average sunshine in September is 9.8h.

UV index

In September, the average daily maximum UV index in Steeles is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the UV index of 5 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Steeles?

September temperatures vary between a high-temperature of 82°F (27.8°C) and a low-temperature of 62.2°F (16.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 87.8°F (31°C).

What is the average humidity in September in Steeles?

The average relative humidity in September is 73%.

What is the driest month in Steeles?

September is the month with the least rainfall in Steeles. Rain falls for 12.5 days and accumulates 1.89" (48mm) of precipitation.

How many days does it rain in September in Steeles?

In September, in Steeles, the rain falls for 12.5 days. Throughout September, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in Steeles?

April through September are months without snowfall in Steeles.

Does it snow in Steeles in September?

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

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

In September, the average day length in Steeles is 12h and 24min.

When are sunrise and sunset in September in Steeles?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:47 pm CDT.

How long on average sun shines in September in Steeles?

In Steeles, Missouri, the average sunshine duration in September is 9.8h.

What is the UV index intensity in September in Steeles?

In September, the average daily maximum UV index in Steeles, Missouri, is 5. A UV Index reading of 3 to 5 represents 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
Steeles, MO

Average temperature in September - Steeles, MO
  • Average high temperature in September: 82°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (43.3°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in September
Steeles, MO

Average pressure in September - Steeles, MO
  • Average pressure in September: 30.01"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
Steeles, MO

Average wind speed in September - Steeles, MO
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in September
Steeles, MO

Average humidity in September - Steeles, MO
  • Average humidity in September: 73%

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

Average rainfall in September
Steeles, MO

Average rainfall in September - Steeles, MO
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in September
Steeles, MO

Average rainfall days in September - Steeles, MO
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (10 days).

Average snowfall in September
Steeles, MO

Average snowfall in September - Steeles, MO
  • Average snowfall in September: 0"

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

Average snowfall days in September
Steeles, MO

Average snowfall days in September - Steeles, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.2 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Steeles, MO

Average daylight in September / Average sunshine in September - Steeles, MO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in September
Steeles, MO

Average sunshine days in September - Steeles, MO
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in September
Steeles, MO

Average UV index in September - Steeles, MO
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Steeles, MO

Average cloud cover in September - Steeles, MO
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in September
Steeles, MO

Average visibility in September - Steeles, MO
  • 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).

Steeles, Missouri, USA

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