September weather forecast
Homestead, IA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Homestead, Iowa, with an average temperature varying between 74.8°F (23.8°C) and 55.6°F (13.1°C).

Temperature

The start of September involves a subtle temperature drop, shifting from a warm 80.6°F (27°C) in August to a still moderately hot 74.8°F (23.8°C). The average temperature in Homestead drops to a mild 55.6°F (13.1°C) during the night in the month of September.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, the rain falls for 12.5 days. Throughout September, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 142 rainfall days, and 29.09" (739mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Homestead, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:40 pm. On the last day of September, in Homestead, sunrise is at 7:04 am and sunset at 6:50 pm CDT.

Sunshine

The average sunshine in September in Homestead is 9.3h.

UV index

In Homestead, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the usual temperature for Homestead in September?

In September, in Homestead, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 55.6°F (13.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the average humidity in September in Homestead?

The average relative humidity in September in Homestead, Iowa, is 77%.

How much does it rain in Homestead in September?

In Homestead, in September, it is raining for 12.5 days, with typically 2.64" (67mm) of accumulated precipitation.

When it does not snow in Homestead?

June through September are months without snowfall in Homestead.

Does it snow in Homestead in September?

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

How many hours of daylight does Homestead have in September?

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

When are sunrise and sunset in September in Homestead?

On the first day of September, sunrise is at 6:34 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:50 pm CDT.

How many hours of sunshine does Homestead have in September?

In September, the average sunshine duration in Homestead, Iowa, is 9.3h.

How high is the UV index in September in Homestead?

In Homestead, Iowa, the average daily maximum UV index in September is 4. A UV Index value 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
Homestead, IA

Average temperature in September - Homestead, IA
  • Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.1°F).

  • Average low temperature in September: 55.6°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 (15.3°F).

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Average pressure in September
Homestead, IA

Average pressure in September - Homestead, 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).

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Average wind speed in September
Homestead, IA

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

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in September
Homestead, IA

Average humidity in September - Homestead, IA
  • Average humidity in September: 77%

The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Homestead, IA

Average rainfall in September - Homestead, IA
  • Average rainfall in September: 2.64"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.18").

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Average rainfall days in September
Homestead, IA

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

The months with the highest number of rainy days are May and June (18.5 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in September
Homestead, IA

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

The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Homestead, IA

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

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Homestead, IA

Average sunshine days in September - Homestead, IA
  • Average sunshine days in September: 16 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.1 days).

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Average UV index in September
Homestead, IA

Average UV index in September - Homestead, 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 December (UV index 1).

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Average cloud cover in September
Homestead, IA

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

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in September
Homestead, IA

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

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

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Homestead, Iowa, USA

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