September weather forecast
La Motte, IA

Weather in September

September, the first month of the autumn, in La Motte, is also an agreeable month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 53.1°F (11.7°C).

Temperature

In La Motte, the average high-temperature slightly decreases, from a warm 78.4°F (25.8°C) in August, to a pleasant 72.5°F (22.5°C). In September, in La Motte, Iowa, the average low-temperature is 53.1°F (11.7°C).

Humidity

The average relative humidity in La Motte is 79%.

Rainfall

In La Motte, Iowa,, during 11.7 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, in La Motte, there are 140.9 rainfall days, and 28.11" (714mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12.5h.

Sunshine

In La Motte, the average sunshine is 9.1h.

UV index

In La Motte, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the 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 sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in La Motte?

In La Motte, Iowa, the average relative humidity in September is 79%.

How much does it rain in La Motte in September?

In La Motte, in September, during 11.7 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow in La Motte?

May through September are months without snowfall.

Does it snow in La Motte in September?

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

How many hours of daylight does La Motte have in September?

In September, the average length of the day in La Motte is 12.5h.

How long on average sun shines in September in La Motte?

In La Motte, the average sunshine in September is 9.1h.

How high is the UV index in September in La Motte?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in September
La Motte, IA

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

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in September: 53.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in September
La Motte, IA

Average pressure in September - La Motte, IA
  • Average pressure in September: 30.02"

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

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Average wind speed in September
La Motte, IA

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

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in September
La Motte, IA

Average humidity in September - La Motte, IA
  • Average humidity in September: 79%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in September
La Motte, IA

Average rainfall in September - La Motte, IA
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.18").

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Average rainfall days in September
La Motte, IA

Average rainfall days in September - La Motte, IA
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (4.6 days).

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Average snowfall in September
La Motte, IA

Average snowfall in September - La Motte, IA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (5.08").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
La Motte, IA

Average snowfall days in September - La Motte, IA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.3 days).
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
La Motte, IA

Average daylight in September / Average sunshine in September - La Motte, IA
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 9.1h

Months with the most sunshine are July and August (Average sunshine: 9.8h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days in September
La Motte, IA

Average sunshine days in September - La Motte, IA
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in September
La Motte, IA

Average UV index in September - La Motte, IA
  • Average UV index in September: 4

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

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Average cloud cover in September
La Motte, IA

Average cloud cover in September - La Motte, IA
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in September
La Motte, IA

Average visibility in September - La Motte, IA
  • Average visibility in September: 6mi

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

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