September weather forecast
Mount Olive, MO

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Mount Olive, Missouri, with an average temperature varying between 59.2°F (15.1°C) and 78.8°F (26°C).

Temperature

A moderate decline in average high-temperatures is noted in September, moving from 84.4°F (29.1°C) in August to a still warm 78.8°F (26°C). During September nights, Mount Olive records an average temperature of 59.2°F (15.1°C).

Humidity

In Mount Olive, the average relative humidity in September is 75%.

Rainfall

In Mount Olive, during September, the rain falls for 10.8 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Mount Olive, Missouri, during the entire year, the rain falls for 126.4 days and collects up to 20.08" (510mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:44 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:58 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In Mount Olive, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Mount Olive in September?

The high-temperature, in September, in Mount Olive, records 78.8°F (26°C), while the low-temperature is 59.2°F (15.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 95°F (35°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

How many days does it rain in September in Mount Olive?

In Mount Olive, in September, it is raining for 10.8 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow?

In Mount Olive, snow does not fall in May through September.

Does it snow in September?

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

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:58 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.3h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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
Mount Olive, MO

Average temperature in September - Mount Olive, MO
  • Average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in September
Mount Olive, MO

Average pressure in September - Mount Olive, 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 (29.91"Hg).

Average wind speed in September
Mount Olive, MO

Average wind speed in September - Mount Olive, MO
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in September
Mount Olive, MO

Average humidity in September - Mount Olive, MO
  • Average humidity in September: 75%

The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Mount Olive, MO

Average rainfall in September - Mount Olive, MO
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in September
Mount Olive, MO

Average rainfall days in September - Mount Olive, MO
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in September
Mount Olive, MO

Average snowfall in September - Mount Olive, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Mount Olive, MO

Average snowfall days in September - Mount Olive, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Mount Olive, MO

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in September
Mount Olive, MO

Average sunshine days in September - Mount Olive, MO
  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is December (22.6 days).
The months with the least sunshine days are May and June (13.8 days).

Average UV index in September
Mount Olive, MO

Average UV index in September - Mount Olive, 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
Mount Olive, MO

Average cloud cover in September - Mount Olive, MO
  • Average cloud cover in September: 29

The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are June, July and August (Cloud cover 28).

Average visibility in September
Mount Olive, MO

Average visibility in September - Mount Olive, 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).

Mount Olive, Missouri, USA

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