September weather forecast
Spragueville, IA

Weather in September

September, the first month of the autumn in Spragueville, is still a warm month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 73.6°F (23.1°C).

Temperature

In September, the average high-temperature marginally drops from 79.3°F (26.3°C) in August to a still moderately hot 73.6°F (23.1°C). The average low-temperature, in Spragueville, is 54.5°F (12.5°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Spragueville, during September, the rain falls for 11.6 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in Spragueville, there are 143.3 rainfall days, and 29.76" (756mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Spragueville.

Daylight

The average length of the day in September in Spragueville is 12h and 28min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:35 pm. On the last day of September, in Spragueville, sunrise is at 6:57 am and sunset at 6:45 pm CDT.

Sunshine

The average sunshine in September in Spragueville is 9.2h.

UV index

In Spragueville, Iowa, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Spragueville?

In Spragueville, Iowa, in September, the average high-temperature is 73.6°F (23.1°C), and the average low-temperature is 54.5°F (12.5°C).

What is the average humidity in September in Spragueville?

In September, the average relative humidity in Spragueville is 78%.

How much does it rain in Spragueville in September?

In Spragueville, in September, it is raining for 11.6 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow in Spragueville?

May through September are months without snowfall.

Does it snow in Spragueville in September?

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

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

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

What time are sunrise and sunset in September in Spragueville?

On the first day of September, sunrise is at 6:27 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:45 pm CDT.

How long on average sun shines in September in Spragueville?

In Spragueville, the average sunshine duration in September is 9.2h.

What is the UV index reading in September in Spragueville?

In Spragueville, Iowa, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Spragueville, IA

Average temperature in September - Spragueville, IA
  • Average high temperature in September: 73.6°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in September
Spragueville, IA

Average pressure in September - Spragueville, 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).

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Average wind speed in September
Spragueville, IA

Average wind speed in September - Spragueville, IA
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in September
Spragueville, IA

Average humidity in September - Spragueville, IA
  • Average humidity in September: 78%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in September
Spragueville, IA

Average rainfall in September - Spragueville, IA
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days in September
Spragueville, IA

Average rainfall days in September - Spragueville, IA
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in September
Spragueville, IA

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

The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Spragueville, IA

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

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Spragueville, IA
  • Average daylight in September: 12h and 28min

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 10min).

  • Average sunshine in September: 9h and 12min

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

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Average sunshine days in September
Spragueville, IA

Average sunshine days in September - Spragueville, IA
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.2 days).

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Average UV index in September
Spragueville, IA

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

The month with the highest UV index is 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
Spragueville, IA

Average cloud cover in September - Spragueville, IA
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in September
Spragueville, IA

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

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

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