September weather forecast
Penermon, MO

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Weather in September

September, the first month of the autumn in Penermon, is also a moderately hot month, with an average temperature ranging between min 62.4°F (16.9°C) and max 81.7°F (27.6°C).

Temperature

Penermon starts September with an average high-temperature of a warm 81.7°F (27.6°C), a minor shift from August's 86.4°F (30.2°C). Penermon encounters an average low-temperature of 62.4°F (16.9°C) during September nights.

Heat index

The average heat index in September is evaluated at a tropical 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In Penermon, the average relative humidity in September is 72%.

Rainfall

The month with the least rainfall is September, when the rain falls for 8.6 days and typically collects 0.47" (12mm) of precipitation.

Snowfall

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

UV index

In September, the average daily maximum UV index in Penermon is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Take precautions - Protection against skin and eye damage is obliged. When the Sun is at its strongest around midday, find shade and limit exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the usual temperature for Penermon in September?

September temperatures vary between a high-temperature of 81.7°F (27.6°C) and a low-temperature of 62.4°F (16.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in September is evaluated at 86°F (30°C).

What is the average humidity in September in Penermon?

The average relative humidity in September is 72%.

What is the driest month in Penermon?

The month with the least rainfall is September, when the rain falls for 8.6 days and typically collects 0.47" (12mm) of precipitation.

How much does it rain in Penermon in September?

In Penermon, Missouri, during September, the rain falls for 8.6 days and regularly aggregates up to 0.47" (12mm) of precipitation.

When it does not snow in Penermon?

April through October are months without snowfall.

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

The average day length in September in Penermon, Missouri, is 12h and 24min.

When are sunrise and sunset in September in Penermon?

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, in Penermon, Missouri, sunrise is at 6:54 am and sunset at 6:43 pm CDT.

How long on average sun shines in September in Penermon?

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

What is the UV index intensity in September in Penermon?

In Penermon, Missouri, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from 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
Penermon, MO

Average temperature in September - Penermon, MO
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure in September
Penermon, MO

Average pressure in September - Penermon, 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).

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Average wind speed in September
Penermon, MO

Average wind speed in September - Penermon, MO
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in September
Penermon, MO

Average humidity in September - Penermon, MO
  • Average humidity in September: 72%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in September
Penermon, MO

Average rainfall in September - Penermon, MO
  • Average rainfall in September: 0.47"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.47").

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Average rainfall days in September
Penermon, MO

Average rainfall days in September - Penermon, MO
  • Average rainfall days in September: 8.6 days

The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in September
Penermon, MO

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

The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Penermon, MO

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

The month with the highest number of snowfall days is February (2 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
Penermon, MO

Average daylight in September / Average sunshine in September - Penermon, 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 months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in September
Penermon, MO

Average sunshine days in September - Penermon, MO
  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (15.7 days).

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Average UV index in September
Penermon, MO

Average UV index in September - Penermon, 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 and December (UV index 2).

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Average cloud cover in September
Penermon, MO

Average cloud cover in September - Penermon, MO
  • Average cloud cover in September: 27

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).

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Average visibility in September
Penermon, MO

Average visibility in September - Penermon, 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).

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Penermon, Missouri, USA

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