September weather forecast
Scotsdale, MO

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Weather in September

September, the first month of the autumn in Scotsdale, is still a warm month, with an average temperature fluctuating between 80.1°F (26.7°C) and 60.1°F (15.6°C).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's hot 86.5°F (30.3°C) to a moderately hot 80.1°F (26.7°C). In the month of September, Scotsdale witnesses a consistent average low-temperature of 60.1°F (15.6°C).

Humidity

In Scotsdale, the average relative humidity in September is 72%.

Rainfall

In Scotsdale, during September, the rain falls for 11.9 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Scotsdale, during the entire year, the rain falls for 141.7 days and collects up to 32.01" (813mm) of precipitation.

Snowfall

January through March, September, November and December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Scotsdale, during the entire year, snow falls for 18.9 days and aggregates up to 7.2" (183mm) of snow.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:46 pm CDT.

Sunshine

In Scotsdale, Missouri, the average sunshine in September is 9.4h.

UV index

In Scotsdale, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

In September, in Scotsdale, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 60.1°F (15.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 98.6°F (37°C).

What is the average humidity in September?

In Scotsdale, the average relative humidity in September is 72%.

How much does it rain in September?

In September, the rain falls for 11.9 days. Throughout September, 2.17" (55mm) of precipitation is accumulated.

When does it start to snow?

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:46 pm CDT.

How many hours of sunshine does Scotsdale have in September?

In September, the average sunshine duration is 9.4h.

How high is the UV index in September?

In Scotsdale, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from 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
Scotsdale, MO

Average temperature in September - Scotsdale, MO
  • Average high temperature in September: 80.1°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in September: 60.1°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in September
Scotsdale, MO

Average pressure in September - Scotsdale, 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 (29.92"Hg).

Average wind speed in September
Scotsdale, MO

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

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Scotsdale, MO

Average humidity in September - Scotsdale, MO
  • Average humidity in September: 72%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Scotsdale, MO

Average rainfall in September - Scotsdale, MO
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is February (1.54").

Average rainfall days in September
Scotsdale, MO

Average rainfall days in September - Scotsdale, MO
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in September
Scotsdale, MO

Average snowfall in September - Scotsdale, MO
  • Average snowfall in September: 0.04"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in September
Scotsdale, MO

Average snowfall days in September - Scotsdale, MO
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are April, May, June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Scotsdale, 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 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in September
Scotsdale, MO

Average sunshine days in September - Scotsdale, MO
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is December (20.1 days).
The months with the least sunshine days are May and July (12.6 days).

Average UV index in September
Scotsdale, MO

Average UV index in September - Scotsdale, MO
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Scotsdale, MO

Average cloud cover in September - Scotsdale, 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 June, July and August (Cloud cover 29).

Average visibility in September
Scotsdale, MO

Average visibility in September - Scotsdale, 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).

Scotsdale, Missouri, USA

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