September weather forecast
Smithton, MO

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Smithton, Missouri, with an average temperature ranging between min 59.5°F (15.3°C) and max 78.6°F (25.9°C).

Temperature

The onset of September brings a small shift in high-temperatures, falling from 84.9°F (29.4°C) in August to a still warm 78.6°F (25.9°C). September in Smithton, Missouri, is noted for a mean low-temperature of 59.5°F (15.3°C).

Humidity

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

Rainfall

In Smithton, in September, during 9.9 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, in Smithton, there are 121 rainfall days, and 15.67" (398mm) of precipitation is accumulated.

Snowfall

In Smithton, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:56 pm CDT.

Sunshine

In Smithton, Missouri, the average sunshine in September is 9.5h.

UV index

In September, the average daily maximum UV index in Smithton, Missouri, is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In September, the UV index of 5 transforms into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Smithton in September?

September temperatures in Smithton, Missouri, vary between a high-temperature of 78.6°F (25.9°C) and a low-temperature of 59.5°F (15.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 95°F (35°C).

What is the average humidity in September in Smithton?

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

How much does it rain in Smithton in September?

In September, in Smithton, the rain falls for 9.9 days. Throughout September, 1.18" (30mm) of precipitation is accumulated.

When it does not snow in Smithton?

June through September are months without snowfall in Smithton, Missouri.

Does it snow in Smithton in September?

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

How many hours of daylight does Smithton have in September?

In September, the average day length in Smithton, Missouri, is 12h and 25min.

When is the sunrise / sunset in September in Smithton?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:42 pm. On the last day of the month, in Smithton, sunrise is at 7:08 am and sunset at 6:56 pm CDT.

How many hours of sunshine does Smithton have in September?

The average sunshine duration in September in Smithton is 9.5h.

How high is the UV index in September in Smithton?

In September, the average daily maximum UV index in Smithton, Missouri, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Smithton, MO

Average temperature in September - Smithton, MO
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in September
Smithton, MO

Average pressure in September - Smithton, 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
Smithton, MO

Average wind speed in September - Smithton, MO
  • Average wind speed in September: 6.9mph

The windiest months (with the highest average wind speed) are January, February and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity in September
Smithton, MO

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

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Smithton, MO

Average rainfall in September - Smithton, MO
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in September
Smithton, MO

Average rainfall days in September - Smithton, MO
  • Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (5.5 days).

Average snowfall in September
Smithton, MO

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

The month with the highest snowfall is January (1.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Smithton, MO

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

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).

Average sunshine days in September
Smithton, MO

Average sunshine days in September - Smithton, MO
  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is December (21.4 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in September
Smithton, MO

Average UV index in September - Smithton, 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, November and December (UV index 2).

Average cloud cover in September
Smithton, MO

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

The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 27).

Average visibility in September
Smithton, MO

Average visibility in September - Smithton, 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).

Smithton, Missouri, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location