September weather forecast
Morning Sun, IA

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Weather in September

September, the first month of the autumn in Morning Sun, is also a moderately hot month, with an average temperature fluctuating between 56.3°F (13.5°C) and 76.1°F (24.5°C).

Temperature

September experiences an average high-temperature of a still moderately hot 76.1°F (24.5°C), barely different from August's 81.1°F (27.3°C). Throughout September, the temperature in Morning Sun falls to an average low of 56.3°F (13.5°C).

Humidity

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

Rainfall

In Morning Sun, in September, it is raining for 11.8 days, with typically 2.44" (62mm) of accumulated precipitation. In Morning Sun, during the entire year, the rain falls for 146.3 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

In Morning Sun, snow does not fall in May through September.

Daylight

In Morning Sun, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:48 pm CDT.

Sunshine

In Morning Sun, the average sunshine in September is 9.5h.

UV index

The average daily maximum UV index in September in Morning Sun is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Morning Sun?

In Morning Sun, in September, the average high-temperature is 76.1°F (24.5°C), and the average low-temperature is 56.3°F (13.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 86°F (30°C).

What is the average humidity in September in Morning Sun?

In September, the average relative humidity is 75%.

How many days does it rain in September in Morning Sun?

In Morning Sun, in September, during 11.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow in Morning Sun?

May through September are months without snowfall in Morning Sun, Iowa.

Does it snow in Morning Sun in September?

In Morning Sun, Iowa, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Morning Sun?

In September, the average day length in Morning Sun, Iowa, is 12h and 27min.

What time are sunrise and sunset in September in Morning Sun?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:37 pm. On the last day of the month, in Morning Sun, Iowa, sunrise is at 7:01 am and sunset at 6:48 pm CDT.

How long on average sun shines in September in Morning Sun?

The average sunshine duration in September in Morning Sun, Iowa, is 9.5h.

What is the UV index intensity in September in Morning Sun?

In Morning Sun, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Morning Sun, IA

Average temperature in September - Morning Sun, IA
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in September
Morning Sun, IA

Average pressure in September - Morning Sun, IA
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Morning Sun, IA

Average wind speed in September - Morning Sun, IA
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in September
Morning Sun, IA

Average humidity in September - Morning Sun, IA
  • Average humidity in September: 75%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Morning Sun, IA

Average rainfall in September - Morning Sun, IA
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is December (1.42").

Average rainfall days in September
Morning Sun, IA

Average rainfall days in September - Morning Sun, IA
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in September
Morning Sun, IA

Average snowfall in September - Morning Sun, IA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Morning Sun, IA

Average snowfall days in September - Morning Sun, IA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.1 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
Morning Sun, IA

Average daylight in September / Average sunshine in September - Morning Sun, IA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 3min

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

Average sunshine days in September
Morning Sun, IA

Average sunshine days in September - Morning Sun, IA
  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in September
Morning Sun, IA

Average UV index in September - Morning Sun, IA
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Morning Sun, IA

Average cloud cover in September - Morning Sun, IA
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Morning Sun, IA

Average visibility in September - Morning Sun, IA
  • 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).

Morning Sun, Iowa, USA

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