September weather forecast
Hardenville, MO

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Weather in September

September, the first month of the autumn in Hardenville, is still a warm month, with an average temperature ranging between min 60.3°F (15.7°C) and max 82.4°F (28°C).

Temperature

Hardenville's progression into September involves a gentle drop in the average high-temperature, from a hot 89.8°F (32.1°C) in August to a moderately hot 82.4°F (28°C). The temperature notes a substantial fall from the daily peak to an average of 60.3°F (15.7°C) during September nights.

Heat index

The heat index value for September is estimated at a tropical 87.8°F (31°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

In September, the average relative humidity is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.73" (44mm) of precipitation.

Snowfall

In Hardenville, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:53 pm CDT.

Sunshine

In Hardenville, Missouri, the average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

How hot is September?

An average high-temperature, in September, in Hardenville, is 82.4°F (28°C) and the average low-temperature is 60.3°F (15.7°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in September?

In Hardenville, the average relative humidity in September is 74%.

What is the driest month?

September is the month with the least rainfall in Hardenville. Rain falls for 10.8 days and accumulates 1.73" (44mm) of precipitation.

How many days does it rain in September?

In Hardenville, during September, the rain falls for 10.8 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow?

April through October are months without snowfall in Hardenville, Missouri.

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:41 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:53 pm CDT.

How long on average sun shines in September?

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

What is the UV index intensity in September?

The average daily maximum UV index in September in Hardenville, Missouri, is 5. A UV Index 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
Hardenville, MO

Average temperature in September - Hardenville, MO
  • Average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 60.3°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

Average pressure in September
Hardenville, MO

Average pressure in September - Hardenville, MO
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Hardenville, MO

Average wind speed in September - Hardenville, MO
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are January, February, March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Hardenville, MO

Average humidity in September - Hardenville, MO
  • Average humidity in September: 74%

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).

Average rainfall in September
Hardenville, MO

Average rainfall in September - Hardenville, MO
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in September
Hardenville, MO

Average rainfall days in September - Hardenville, MO
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in September
Hardenville, MO

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

The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Hardenville, MO

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

The month with the highest number of snowfall days is January (4.4 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
Hardenville, MO

Average daylight in September / Average sunshine in September - Hardenville, 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 1min

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: 5h and 6min).

Average sunshine days in September
Hardenville, MO

Average sunshine days in September - Hardenville, MO
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (12.7 days).

Average UV index in September
Hardenville, MO

Average UV index in September - Hardenville, 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
Hardenville, MO

Average cloud cover in September - Hardenville, MO
  • Average cloud cover in September: 32

The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 30).

Average visibility in September
Hardenville, MO

Average visibility in September - Hardenville, MO
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, October, November and December (6mi).
The months with the lowest visibility are April, May, June, July, August and September (5mi).

Hardenville, Missouri, USA

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