September weather forecast
Newark, MO

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Newark, Missouri, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 77.5°F (25.3°C).

Temperature

A modest decline in the average high-temperature is seen during September, decreasing from 83.3°F (28.5°C) in August to a still moderately hot 77.5°F (25.3°C). During September, Newark observes a consistent average nighttime temperature of 57.7°F (14.3°C).

Humidity

In Newark, Missouri, the average relative humidity in September is 75%.

Rainfall

In Newark, in September, during 10.5 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Newark, during the entire year, the rain falls for 130.9 days and collects up to 26.3" (668mm) of precipitation.

Snowfall

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

Daylight

In Newark, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:38 pm. On the last day of September, in Newark, Missouri, sunrise is at 7:03 am and sunset at 6:51 pm CDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, in Newark, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 57.7°F (14.3°C). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 91.4°F (33°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

How many days does it rain in September?

In September, the rain falls for 10.5 days. Throughout September, 2.32" (59mm) of precipitation is accumulated.

When it does not snow?

In Newark, Missouri, snow does not fall in May through September.

Does it snow in September?

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

What is the average length of the day in September?

In September, the average day length is 12h and 26min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:36 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm CDT.

How long on average sun shines in September?

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

What is the UV index reading in September?

In Newark, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Newark, MO

Average temperature in September - Newark, MO
  • Average high temperature in September: 77.5°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in September
Newark, MO

Average pressure in September - Newark, 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 (29.9"Hg).

Average wind speed in September
Newark, MO

Average wind speed in September - Newark, MO
  • Average wind speed in September: 7.5mph

The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

Average humidity in September
Newark, MO

Average humidity in September - Newark, MO
  • Average humidity in September: 75%

The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Newark, MO

Average rainfall in September - Newark, MO
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days in September
Newark, MO

Average rainfall days in September - Newark, MO
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (4.7 days).

Average snowfall in September
Newark, MO

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

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Newark, MO

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

The month with the highest number of snowfall days is January (6.8 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
Newark, MO

Average daylight in September / Average sunshine in September - Newark, 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 24min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September
Newark, MO

Average sunshine days in September - Newark, MO
  • Average sunshine days in September: 18 days

The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12 days).

Average UV index in September
Newark, MO

Average UV index in September - Newark, MO
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Newark, MO

Average cloud cover in September - Newark, MO
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in September
Newark, MO

Average visibility in September - Newark, 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).

Newark, Missouri, USA

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