September weather forecast
Memphis, MO

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Weather in September

The first month of the autumn, September, is still a warm month in Memphis, Missouri, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 76.5°F (24.7°C).

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from 82.8°F (28.2°C) in August to a still warm 76.5°F (24.7°C). September brings an average low-temperature of 57.4°F (14.1°C) to Memphis.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Memphis, in September, it is raining for 10.7 days, with typically 2.44" (62mm) of accumulated precipitation. In Memphis, during the entire year, the rain falls for 136.6 days and collects up to 28.5" (724mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:51 pm CDT.

Sunshine

The average sunshine in September is 9.4h.

UV index

In Memphis, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

During September, Memphis experiences an average high-temperature of 76.5°F (24.7°C) and a low-temperature of 57.4°F (14.1°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 89.6°F (32°C).

What is the average humidity in September in Memphis?

In September, the average relative humidity is 75%.

How much does it rain in September?

In Memphis, during September, the rain falls for 10.7 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Memphis have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:36 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:51 pm CDT.

How many hours of sunshine does Memphis have in September?

The average sunshine duration in September is 9.4h.

How high is the UV index in September in Memphis?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Memphis, MO

Average temperature in September - Memphis, MO
  • Average high temperature in September: 76.5°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in September
Memphis, MO

Average pressure in September - Memphis, MO
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Memphis, MO

Average wind speed in September - Memphis, MO
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

Average humidity in September
Memphis, MO

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

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Memphis, MO

Average rainfall in September - Memphis, MO
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in September
Memphis, MO

Average rainfall days in September - Memphis, MO
  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in September
Memphis, MO

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

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Memphis, MO

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

The month with the highest number of snowfall days is January (7.5 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
Memphis, MO

Average daylight in September / Average sunshine in September - Memphis, 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 18min).

Average sunshine days in September
Memphis, MO

Average sunshine days in September - Memphis, MO
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in September
Memphis, MO

Average UV index in September - Memphis, MO
  • Average UV index in September: 4

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
Memphis, MO

Average cloud cover in September - Memphis, MO
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in September
Memphis, MO

Average visibility in September - Memphis, 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).

Memphis, Missouri, USA

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