September weather forecast
Success, MO

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Weather in September

September, the first month of the autumn in Success, is also a moderately hot month, with an average temperature varying between 79.7°F (26.5°C) and 59.2°F (15.1°C).

Temperature

A subtle shift in Success's weather is observed as August turns into September, with the average high temperature reducing from a tropical 86.5°F (30.3°C) to a moderately hot 79.7°F (26.5°C). The average temperature during September nights is registered at a refreshing 59.2°F (15.1°C).

Humidity

In Success, the average relative humidity in September is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 9.4 days and typically collects 0.51" (13mm) of precipitation.

Snowfall

May through October are months without snowfall in Success, Missouri.

Daylight

In Success, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:36 pm. On the last day of September, in Success, sunrise is at 7:03 am and sunset at 6:52 pm CDT.

Sunshine

In Success, the average sunshine in September is 9.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What are the temperatures in Success in September?

The high-temperature in Success during September is 79.7°F (26.5°C) and the low-temperature is 59.2°F (15.1°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 98.6°F (37°C).

What is the average humidity in September in Success?

In Success, the average relative humidity in September is 74%.

What is the driest month in Success?

September is the month with the least rainfall in Success, Missouri. Rain falls for 9.4 days and accumulates 0.51" (13mm) of precipitation.

How many days does it rain in September in Success?

In Success, during September, the rain falls for 9.4 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When it does not snow in Success?

May through October are months without snowfall in Success, Missouri.

What is the average length of the day in September in Success?

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

When are sunrise and sunset in September in Success?

On the first day of September in Success, Missouri, sunrise is at 6:39 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:52 pm CDT.

How long on average sun shines in September in Success?

In September, the average sunshine duration in Success is 9.4h.

What is the UV index reading in September in Success?

In September, the average daily maximum UV index in Success is 5. A UV Index reading of 3 to 5 represents 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
Success, MO

Average temperature in September - Success, MO
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in September
Success, MO

Average pressure in September - Success, 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 (29.93"Hg).

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Average wind speed in September
Success, MO

Average wind speed in September - Success, MO
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in September
Success, MO

Average humidity in September - Success, MO
  • Average humidity in September: 74%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Success, MO

Average rainfall in September - Success, MO
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is September (0.51").

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Average rainfall days in September
Success, MO

Average rainfall days in September - Success, MO
  • Average rainfall days in September: 9.4 days

The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is December (5.2 days).

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Average snowfall in September
Success, MO

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

The month with the highest snowfall is February (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Success, MO

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

The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in September
Success, MO

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

The month with the most sunshine days is December (23.8 days).
The month with the least sunshine days is July (13.9 days).

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Average UV index in September
Success, MO

Average UV index in September - Success, 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).

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Average cloud cover in September
Success, MO

Average cloud cover in September - Success, MO
  • Average cloud cover in September: 32

The month with the most cloud cover is March (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 31).

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Average visibility in September
Success, MO

Average visibility in September - Success, MO
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).

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Success, Missouri, USA

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