September weather forecast
West Point, IA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in West Point, Iowa, with an average temperature fluctuating between 57.4°F (14.1°C) and 77°F (25°C).

Temperature

With the arrival of September, West Point experiences a modest decline in average high-temperatures, transitioning from a warm 82.6°F (28.1°C) in August to a still moderately hot 77°F (25°C). West Point's average low-temperature in September is measured at a refreshing 57.4°F (14.1°C).

Humidity

In September, the average relative humidity in West Point, Iowa, is 75%.

Rainfall

In West Point, in September, during 12 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In West Point, during the entire year, the rain falls for 145.2 days and collects up to 28.98" (736mm) of precipitation.

Snowfall

In West Point, snow does not fall in May through September.

Daylight

The average length of the day in September in West Point is 12h and 27min.
On the first day of September, sunrise is at 6:33 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm CDT.

Sunshine

In West Point, the average sunshine in September is 9.5h.

UV index

In West Point, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in West Point?

An average high-temperature, in September, in West Point, is 77°F (25°C) and the average low-temperature is 57.4°F (14.1°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in September in West Point?

In September, the average relative humidity is 75%.

How much does it rain in West Point in September?

In September, in West Point, the rain falls for 12 days. Throughout September, 2.28" (58mm) of precipitation is accumulated.

When it does not snow in West Point?

May through September are months without snowfall in West Point, Iowa.

Does it snow in West Point in September?

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

How many hours of daylight does West Point have in September?

In West Point, Iowa, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September in West Point?

On the first day of September in West Point, Iowa, sunrise is at 6:33 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm CDT.

How many hours of sunshine does West Point have in September?

The average sunshine duration in September in West Point, Iowa, is 9.5h.

What is the UV index intensity in September in West Point?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
West Point, IA

Average temperature in September - West Point, IA
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in September
West Point, IA

Average pressure in September - West Point, IA
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
West Point, IA

Average wind speed in September - West Point, IA
  • Average wind speed in September: 7.7mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in September
West Point, IA

Average humidity in September - West Point, IA
  • Average humidity in September: 75%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
West Point, IA

Average rainfall in September - West Point, IA
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is December (1.38").

Average rainfall days in September
West Point, IA

Average rainfall days in September - West Point, IA
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in September
West Point, IA

Average snowfall in September - West Point, IA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
West Point, IA

Average snowfall days in September - West Point, IA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
West Point, IA

Average daylight in September / Average sunshine in September - West Point, IA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in September
West Point, IA

Average sunshine days in September - West Point, IA
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in September
West Point, IA

Average UV index in September - West Point, IA
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
West Point, IA

Average cloud cover in September - West Point, IA
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in September
West Point, IA

Average visibility in September - West Point, IA
  • Average visibility in September: 6mi

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

West Point, Iowa, USA

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