September weather forecast
Bankston, IA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Bankston, Iowa, with an average temperature fluctuating between 53.2°F (11.8°C) and 72.5°F (22.5°C).

Temperature

Bankston observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 77.9°F (25.5°C) to a pleasant 72.5°F (22.5°C). In the month of September, Bankston's average low-temperature falls to a cool 53.2°F (11.8°C).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Bankston, during September, the rain falls for 12.5 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Bankston, Iowa, during the entire year, the rain falls for 150.8 days and collects up to 32.4" (823mm) of precipitation.

Snowfall

In Bankston, snow does not fall in May through September.

Daylight

In Bankston, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:37 pm. On the last day of September, in Bankston, sunrise is at 7:00 am and sunset at 6:46 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in September in Bankston, Iowa, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Bankston in September?

During September, Bankston experiences an average high-temperature of 72.5°F (22.5°C) and a low-temperature of 53.2°F (11.8°C).

What is the average humidity in September in Bankston?

The average relative humidity in September in Bankston, Iowa, is 80%.

How much does it rain in Bankston in September?

In Bankston, Iowa, in September, during 12.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

When it does not snow in Bankston?

May through September are months without snowfall in Bankston.

Does it snow in Bankston in September?

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

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

In Bankston, Iowa, the average day length in September is 12h and 28min.

When is the sunrise / sunset in September in Bankston?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:37 pm. On the last day of the month, in Bankston, sunrise is at 7:00 am and sunset at 6:46 pm CDT.

How many hours of sunshine does Bankston have in September?

The average sunshine duration in September in Bankston is 8.9h.

What is the UV index intensity in September in Bankston?

The average daily maximum UV index in September in Bankston is 4. A UV Index of 3 to 5 symbolizes 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
Bankston, IA

Average temperature in September - Bankston, IA
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in September: 53.2°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure in September
Bankston, IA

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Bankston, IA

Average wind speed in September - Bankston, IA
  • Average wind speed in September: 8mph

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 (7mph).

Average humidity in September
Bankston, IA

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

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (76%).

Average rainfall in September
Bankston, IA

Average rainfall in September - Bankston, IA
  • Average rainfall in September: 2.87"

The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is January (1.34").

Average rainfall days in September
Bankston, IA

Average rainfall days in September - Bankston, IA
  • Average rainfall days in September: 12.5 days

The months with the highest number of rainy days are May and June (19.9 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in September
Bankston, IA

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

The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Bankston, IA

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

The month with the highest number of snowfall days is January (14 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
Bankston, IA

Average daylight in September / Average sunshine in September - Bankston, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September
Bankston, IA

Average sunshine days in September - Bankston, IA
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (7.8 days).

Average UV index in September
Bankston, IA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in September
Bankston, IA

Average cloud cover in September - Bankston, IA
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in September
Bankston, IA

Average visibility in September - Bankston, 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).

Bankston, Iowa, USA

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