September weather forecast
Westview, IA

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Weather in September

September, the first month of the autumn in Westview, is still a warm month, with an average temperature fluctuating between 54.5°F (12.5°C) and 73.9°F (23.3°C).

Temperature

Transitioning into September, Westview experiences an average high-temperature of a still warm 73.9°F (23.3°C), marking a minor shift from the preceding month. Throughout the nights in September, an average low-temperature of 54.5°F (12.5°C) is noted in Westview.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Westview, in September, during 9.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Westview, Iowa, during the entire year, the rain falls for 93.7 days and collects up to 9.29" (236mm) of precipitation.

Snowfall

In Westview, snow does not fall in May through September.

Daylight

In Westview, the average length of the day in September is 12h and 29min.
On the first day of September in Westview, sunrise is at 6:44 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:01 pm CDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

In Westview, 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 exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What is the usual temperature for Westview in September?

The high-temperature in Westview, Iowa, during September is 73.9°F (23.3°C) and the low-temperature is 54.5°F (12.5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in September in Westview?

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

How much does it rain in Westview in September?

In Westview, Iowa, in September, during 9.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

When it does not snow in Westview?

In Westview, snow does not fall in May through September.

Does it snow in Westview in September?

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

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

In September, the average day length in Westview, Iowa, is 12h and 29min.

When is the sunrise / sunset in September in Westview?

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:52 pm. On the last day of the month, in Westview, sunrise is at 7:15 am and sunset at 7:01 pm CDT.

How long on average sun shines in September in Westview?

The average sunshine duration in September in Westview is 9.2h.

How high is the UV index in September in Westview?

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

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

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (24.4°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 (11.8°F).

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Average pressure in September
Westview, IA

Average pressure in September - Westview, IA
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in September
Westview, IA

Average wind speed in September - Westview, IA
  • Average wind speed in September: 8.6mph

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average humidity in September
Westview, IA

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

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (68%).

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Average rainfall in September
Westview, IA

Average rainfall in September - Westview, IA
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is May (1.38").
The driest month (with the least rainfall) is January (0.28").

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Average rainfall days in September
Westview, IA

Average rainfall days in September - Westview, IA
  • Average rainfall days in September: 9.4 days

The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in September
Westview, IA

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

The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Westview, IA

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

The month with the highest number of snowfall days is January (8.3 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
Westview, IA

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

The month with the longest days is June (Average daylight: 15h and 18min).
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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Westview, IA

Average sunshine days in September - Westview, IA
  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is June (14.7 days).

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Average UV index in September
Westview, IA

Average UV index in September - Westview, 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, February, November and December (UV index 2).

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Average cloud cover in September
Westview, IA

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

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in September
Westview, IA

Average visibility in September - Westview, 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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Westview, Iowa, USA

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