September weather forecast
Dorena, MO

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Weather in September

September, the first month of the autumn in Dorena, is also a moderately hot month, with an average temperature ranging between min 62.2°F (16.8°C) and max 81.7°F (27.6°C).

Temperature

The transition into September reveals an average high-temperature of a warm 81.7°F (27.6°C), mirroring a close resemblance to August. Dorena experiences an average low-temperature reading of 62.2°F (16.8°C) throughout September.

Heat index

In September, the average heat index is calculated to be a tropical 86°F (30°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Dorena, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:41 pm CDT.

Sunshine

The average sunshine in September in Dorena, Missouri, is 9.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What is the average September temperature?

An average high-temperature, in September, in Dorena, is 81.7°F (27.6°C) and the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 73%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.1 days and typically collects 1.54" (39mm) of precipitation.

How much does it rain in Dorena in September?

In Dorena, in September, during 12.1 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow?

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

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:41 pm CDT.

How long on average sun shines in September?

In Dorena, the average sunshine duration in September is 9.5h.

What is the UV index intensity in September?

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

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

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (42.8°F).

  • Average low temperature in September: 62.2°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 (30°F).

Average pressure in September
Dorena, MO

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

Average wind speed in September
Dorena, MO

Average wind speed in September - Dorena, MO
  • Average wind speed in September: 6.4mph

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

Average humidity in September
Dorena, MO

Average humidity in September - Dorena, 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 (69%).

Average rainfall in September
Dorena, MO

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

The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in September
Dorena, MO

Average rainfall days in September - Dorena, MO
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in September
Dorena, MO

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

The months with the highest snowfall are February and March (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Dorena, MO

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

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Dorena, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Dorena, MO

Average sunshine days in September - Dorena, MO
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is April (12.2 days).

Average UV index in September
Dorena, MO

Average UV index in September - Dorena, 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
Dorena, MO

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in September
Dorena, MO

Average visibility in September - Dorena, 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).

Dorena, Missouri, USA

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