September weather forecast
Millersville, MO

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Weather in September

The first month of the autumn, September, is still a warm month in Millersville, Missouri, with an average temperature ranging between min 61°F (16.1°C) and max 80.8°F (27.1°C).

Temperature

Millersville's progression into September involves a gentle drop in the average high-temperature, from a tropical 86.5°F (30.3°C) in August to a moderately hot 80.8°F (27.1°C). In Millersville, the September nights cool down to an average low of 61°F (16.1°C).

Heat index

September's heat index is appraised at 84.2°F (29°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. 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 especially crucial for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In September, the average relative humidity is 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:30 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:43 pm CDT.

Sunshine

In Millersville, the average sunshine in September is 9.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Millersville in September?

September temperatures vary between a high-temperature of 80.8°F (27.1°C) and a low-temperature of 61°F (16.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 84.2°F (29°C).

What is the average humidity in September?

The average relative humidity in September is 73%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.54" (39mm) of precipitation.

How much does it rain in September?

In Millersville, Missouri, in September, during 11.6 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow in Millersville?

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

Does it snow in September?

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

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

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:30 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:43 pm CDT.

How many hours of sunshine does Millersville have in September?

The average sunshine duration in September is 9.6h.

What is the UV index reading in September?

In Millersville, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Millersville, MO

Average temperature in September - Millersville, MO
  • Average high temperature in September: 80.8°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in September
Millersville, MO

Average pressure in September - Millersville, MO
  • Average pressure in September: 30.02"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
Millersville, MO

Average wind speed in September - Millersville, MO
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in September
Millersville, MO

Average humidity in September - Millersville, MO
  • 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%).

Average rainfall in September
Millersville, MO

Average rainfall in September - Millersville, MO
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in September
Millersville, MO

Average rainfall days in September - Millersville, MO
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in September
Millersville, MO

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

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Millersville, MO

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

The month with the highest number of snowfall days is January (4.3 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
Millersville, MO

Average daylight in September / Average sunshine in September - Millersville, MO
  • 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).

Average sunshine days in September
Millersville, MO

Average sunshine days in September - Millersville, MO
  • Average sunshine days in September: 17 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in September
Millersville, MO

Average UV index in September - Millersville, MO
  • 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).

Average cloud cover in September
Millersville, MO

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in September
Millersville, MO

Average visibility in September - Millersville, 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).

Millersville, Missouri, USA

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