September weather forecast
Schaller, IA

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Weather in September

September, the first month of the autumn in Schaller, is still a warm month, with an average temperature ranging between max 73.9°F (23.3°C) and min 55.2°F (12.9°C).

Temperature

September begins with an average high-temperature of a still warm 73.9°F (23.3°C), reflecting close similarity to the preceding month. Throughout September, Schaller witnesses a nighttime temperature average of 55.2°F (12.9°C).

Humidity

In September, the average relative humidity in Schaller, Iowa, is 74%.

Rainfall

In September, the rain falls for 12.5 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. In Schaller, during the entire year, the rain falls for 135.1 days and collects up to 26.73" (679mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Schaller, 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

In September, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the temperature in September in Schaller?

The high-temperature in Schaller, Iowa, during September is 73.9°F (23.3°C) and the low-temperature is 55.2°F (12.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in July is computed to be 87.8°F (31°C).

What is the average humidity in September in Schaller?

In Schaller, the average relative humidity in September is 74%.

How much does it rain in Schaller in September?

In Schaller, in September, it is raining for 12.5 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow in Schaller?

In Schaller, Iowa, snow does not fall in June through September.

Does it snow in Schaller in September?

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

How many hours of daylight does Schaller have in September?

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

When is the sunrise / sunset in September in Schaller?

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

How long on average sun shines in September in Schaller?

The average sunshine duration in September is 9.1h.

What is the UV index reading in September in Schaller?

In Schaller, 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 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
Schaller, IA

Average temperature in September - Schaller, IA
  • Average high temperature in September: 73.9°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in September: 55.2°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in September
Schaller, IA

Average pressure in September - Schaller, 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).

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Average wind speed in September
Schaller, IA

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

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

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Average humidity in September
Schaller, IA

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

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).

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Average rainfall in September
Schaller, IA

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

The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in September
Schaller, IA

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

The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (3.7 days).

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Average snowfall in September
Schaller, IA

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

The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Schaller, IA

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

The month with the highest number of snowfall days is January (12.6 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
Schaller, IA

Average daylight in September / Average sunshine in September - Schaller, 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 6min).

  • Average sunshine in September: 9h and 1min

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 6min).

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Average sunshine days in September
Schaller, IA

Average sunshine days in September - Schaller, IA
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (8.1 days).

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Average UV index in September
Schaller, IA

Average UV index in September - Schaller, 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).

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Average cloud cover in September
Schaller, IA

Average cloud cover in September - Schaller, 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 28).

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Average visibility in September
Schaller, IA

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

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

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Schaller, Iowa, USA

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