September weather forecast
South Lineville, MO

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Weather in September

The first month of the autumn, September, is also a moderately hot month in South Lineville, Missouri, with an average temperature ranging between min 56.3°F (13.5°C) and max 76.1°F (24.5°C).

Temperature

With the arrival of September, South Lineville experiences a modest decline in average high-temperatures, transitioning from a warm 81.9°F (27.7°C) in August to a still moderately hot 76.1°F (24.5°C). The temperature lowers to an average of 56.3°F (13.5°C) during September nights.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In South Lineville, in September, during 11.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In South Lineville, during the entire year, the rain falls for 132.4 days and collects up to 20.24" (514mm) of precipitation.

Snowfall

In South Lineville, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:45 pm. On the last day of September, in South Lineville, Missouri, sunrise is at 7:10 am and sunset at 6:57 pm CDT.

Sunshine

The average sunshine in September in South Lineville is 9.4h.

UV index

In South Lineville, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in South Lineville?

In September, the average high-temperature and low-temperature in South Lineville, Missouri, are 76.1°F (24.5°C) and 56.3°F (13.5°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in September in South Lineville?

The average relative humidity in September in South Lineville, Missouri, is 77%.

How many days does it rain in September in South Lineville?

In September, the rain falls for 11.5 days. Throughout September, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in South Lineville?

June through September are months without snowfall in South Lineville, Missouri.

Does it snow in South Lineville in September?

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

What is the average length of the day in September in South Lineville?

The average day length in September is 12h and 27min.

What time are sunrise and sunset in September in South Lineville?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:45 pm. On the last day of the month, in South Lineville, sunrise is at 7:10 am and sunset at 6:57 pm CDT.

How long on average sun shines in September in South Lineville?

In South Lineville, Missouri, the average sunshine duration in September is 9.4h.

How high is the UV index in September in South Lineville?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
South Lineville, MO

Average temperature in September - South Lineville, MO
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in September
South Lineville, MO

Average pressure in September - South Lineville, 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 (29.89"Hg).

Average wind speed in September
South Lineville, MO

Average wind speed in September - South Lineville, MO
  • Average wind speed in September: 7.9mph

The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

Average humidity in September
South Lineville, MO

Average humidity in September - South Lineville, MO
  • Average humidity in September: 77%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
South Lineville, MO

Average rainfall in September - South Lineville, MO
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January and December (0.67").

Average rainfall days in September
South Lineville, MO

Average rainfall days in September - South Lineville, MO
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in September
South Lineville, MO

Average snowfall in September - South Lineville, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
South Lineville, MO

Average snowfall days in September - South Lineville, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
South Lineville, MO

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in September
South Lineville, MO

Average sunshine days in September - South Lineville, MO
  • Average sunshine days in September: 16 days

The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (8.9 days).

Average UV index in September
South Lineville, MO

Average UV index in September - South Lineville, MO
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
South Lineville, MO

Average cloud cover in September - South Lineville, MO
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
South Lineville, MO

Average visibility in September - South Lineville, 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).

South Lineville, Missouri, USA

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