September weather forecast
Wadena, IA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Wadena, Iowa, with an average temperature varying between 71.6°F (22°C) and 52.9°F (11.6°C).

Temperature

Wadena's weather subtly changes with the onset of September, barely falling from a warm 77.5°F (25.3°C) in August to a pleasant 71.6°F (22°C). September in Wadena is noted for a mean low-temperature of 52.9°F (11.6°C).

Humidity

The average relative humidity in September is 80%.

Rainfall

In September, the rain falls for 12 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 140.2 rainfall days, and 28.7" (729mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Wadena.

Daylight

In September, the average length of the day in Wadena is 12h and 29min.
On the first day of September in Wadena, Iowa, sunrise is at 6:32 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:49 pm CDT.

Sunshine

In September, the average sunshine in Wadena is 9h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - Avoiding sunburn is suggested. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Wadena in September?

The high-temperature in Wadena, Iowa, during September is 71.6°F (22°C) and the low-temperature is 52.9°F (11.6°C).

What is the average humidity in September in Wadena?

The average relative humidity in September in Wadena is 80%.

How much does it rain in Wadena in September?

In September, in Wadena, Iowa, the rain falls for 12 days. Throughout September, 2.32" (59mm) of precipitation is accumulated.

When it does not snow in Wadena?

June through September are months without snowfall in Wadena.

Does it snow in Wadena in September?

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

How many hours of daylight does Wadena have in September?

In Wadena, Iowa, the average day length in September is 12h and 29min.

When are sunrise and sunset in September in Wadena?

On the first day of September in Wadena, sunrise is at 6:32 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:49 pm CDT.

How many hours of sunshine does Wadena have in September?

In September, the average sunshine duration is 9h.

What is the UV index reading in September in Wadena?

In Wadena, Iowa, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Wadena, IA

Average temperature in September - Wadena, IA
  • Average high temperature in September: 71.6°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in September: 52.9°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure in September
Wadena, IA

Average pressure in September - Wadena, 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 (29.89"Hg).

Average wind speed in September
Wadena, IA

Average wind speed in September - Wadena, IA
  • Average wind speed in September: 8.2mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in September
Wadena, IA

Average humidity in September - Wadena, IA
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Wadena, IA

Average rainfall in September - Wadena, IA
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is June (4.45").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in September
Wadena, IA

Average rainfall days in September - Wadena, IA
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in September
Wadena, IA

Average snowfall in September - Wadena, IA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Wadena, IA

Average snowfall days in September - Wadena, IA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Wadena, IA

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

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

  • Average sunshine in September: 9h and 0min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in September
Wadena, IA

Average sunshine days in September - Wadena, IA
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.9 days).

Average UV index in September
Wadena, IA

Average UV index in September - Wadena, IA
  • Average UV index in September: 4

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

Average cloud cover in September
Wadena, IA

Average cloud cover in September - Wadena, IA
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Wadena, IA

Average visibility in September - Wadena, IA
  • Average visibility in September: 6mi

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

Wadena, Iowa, USA

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