September weather forecast
Perry, MO

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Perry, Missouri, with an average temperature varying between 58.6°F (14.8°C) and 78.3°F (25.7°C).

Temperature

A mild drop in Perry's average high-temperature is observed in September, transitioning from a moderately hot 83.8°F (28.8°C) in August to a still warm 78.3°F (25.7°C). During September, the nighttime temperature averages of 58.6°F (14.8°C).

Humidity

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

Rainfall

In Perry, during September, the rain falls for 11.4 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Perry, during the entire year, the rain falls for 134 days and collects up to 26.85" (682mm) of precipitation.

Snowfall

In Perry, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:35 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm CDT.

Sunshine

In Perry, the average sunshine in September is 9.3h.

UV index

In Perry, Missouri, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Perry?

September temperatures in Perry, Missouri, vary between a high-temperature of 78.3°F (25.7°C) and a low-temperature of 58.6°F (14.8°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 93.2°F (34°C).

What is the average humidity in September in Perry?

The average relative humidity in September in Perry, Missouri, is 74%.

How much does it rain in Perry in September?

In Perry, in September, during 11.4 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow in Perry?

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

How many hours of daylight does Perry have in September?

The average day length in September in Perry, Missouri, is 12h and 26min.

When is the sunrise / sunset in September in Perry?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm CDT.

How long on average sun shines in September in Perry?

In Perry, Missouri, the average sunshine duration in September is 9.3h.

What is the UV index intensity in September in Perry?

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

Average temperature in September - Perry, MO
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in September: 58.6°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 (21.6°F).

Average pressure in September
Perry, MO

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

Average wind speed in September
Perry, MO

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

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in September
Perry, MO

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

The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Perry, MO

Average rainfall in September - Perry, MO
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is January (1.22").

Average rainfall days in September
Perry, MO

Average rainfall days in September - Perry, MO
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (5.1 days).

Average snowfall in September
Perry, MO

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

The month with the highest snowfall is January (3.74").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Perry, MO

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

The month with the highest number of snowfall days is January (6.1 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
Perry, MO

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

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in September
Perry, MO

Average sunshine days in September - Perry, MO
  • Average sunshine days in September: 17.6 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in September
Perry, MO

Average UV index in September - Perry, 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
Perry, MO

Average cloud cover in September - Perry, MO
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in September
Perry, MO

Average visibility in September - Perry, 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).

Perry, Missouri, USA

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