September weather forecast
Kiron, IA

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Weather in September

The first month of the autumn, September, is still a warm month in Kiron, Iowa, with an average temperature fluctuating between 74.1°F (23.4°C) and 55.8°F (13.2°C).

Temperature

September brings a minor shift in the average high-temperature, adjusting from 79.5°F (26.4°C) in August to a still moderately hot 74.1°F (23.4°C). An average low-temperature of 55.8°F (13.2°C) is observed during September nights.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Kiron, in September, it is raining for 8.8 days, with typically 1.02" (26mm) of accumulated precipitation. In Kiron, during the entire year, the rain falls for 97 days and collects up to 10.12" (257mm) of precipitation.

Snowfall

May through September are months without snowfall in Kiron.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:03 pm CDT.

Sunshine

The average sunshine in September is 9h.

UV index

The average daily maximum UV index in September in Kiron is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What is the average September temperature?

Kiron in September has an average high-temperature of 74.1°F (23.4°C) and an average low-temperature of 55.8°F (13.2°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How much does it rain in September?

In Kiron, in September, during 8.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall in Kiron.

Does it snow in September?

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

How many hours of daylight does Kiron have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:47 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:03 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 9h.

What is the UV index reading in September?

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

Average temperature in September - Kiron, IA
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

Average pressure in September
Kiron, IA

Average pressure in September - Kiron, IA
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Kiron, IA

Average wind speed in September - Kiron, IA
  • Average wind speed in September: 8.8mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

Average humidity in September
Kiron, IA

Average humidity in September - Kiron, IA
  • Average humidity in September: 74%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (67%).

Average rainfall in September
Kiron, IA

Average rainfall in September - Kiron, IA
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is January (0.24").

Average rainfall days in September
Kiron, IA

Average rainfall days in September - Kiron, IA
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is May (13.8 days).
The months with the least rainy days are January and February (2.3 days).

Average snowfall in September
Kiron, IA

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

The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Kiron, IA

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

The month with the highest number of snowfall days is January (7.7 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
Kiron, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in September
Kiron, IA

Average sunshine days in September - Kiron, IA
  • Average sunshine days in September: 19 days

The month with the most sunshine days is November (23 days).
The month with the least sunshine days is May (14.2 days).

Average UV index in September
Kiron, IA

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

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

Average cloud cover in September
Kiron, IA

Average cloud cover in September - Kiron, IA
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in September
Kiron, IA

Average visibility in September - Kiron, 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).

Kiron, Iowa, USA

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