September weather forecast
East Peru, IA

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Weather in September

September, the first month of the autumn in East Peru, is also a moderately hot month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 55.9°F (13.3°C).

Temperature

September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 81.5°F (27.5°C) in August to a still moderately hot 75.4°F (24.1°C). The average temperature during September nights in East Peru is registered at a moderate 55.9°F (13.3°C).

Humidity

In September, the average relative humidity is 76%.

Rainfall

In East Peru, in September, during 12.5 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In East Peru, during the entire year, the rain falls for 133 days and collects up to 26.14" (664mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In East Peru, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:47 pm. On the last day of September, in East Peru, sunrise is at 7:12 am and sunset at 6:58 pm CDT.

Sunshine

In East Peru, the average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in East Peru in September?

The average high-temperature, in September, in East Peru, is 75.4°F (24.1°C), while the average low-temperature is 55.9°F (13.3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in September in East Peru?

The average relative humidity in September is 76%.

How much does it rain in East Peru in September?

In September, in East Peru, the rain falls for 12.5 days. Throughout September, 2.44" (62mm) of precipitation is accumulated.

When it does not snow in East Peru?

June through September are months without snowfall in East Peru.

Does it snow in East Peru in September?

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

How many hours of daylight does East Peru have in September?

The average day length in September in East Peru is 12h and 28min.

When is the sunrise / sunset in September in East Peru?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:47 pm. On the last day of the month, in East Peru, sunrise is at 7:12 am and sunset at 6:58 pm CDT.

How long on average sun shines in September in East Peru?

The average sunshine duration in September in East Peru, Iowa, is 9.3h.

What is the UV index reading in September in East Peru?

In September, the average daily maximum UV index in East Peru, Iowa, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
East Peru, IA

Average temperature in September - East Peru, IA
  • Average high temperature in September: 75.4°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in September: 55.9°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in September
East Peru, IA

Average pressure in September - East Peru, 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).

Average wind speed in September
East Peru, IA

Average wind speed in September - East Peru, IA
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in September
East Peru, IA

Average humidity in September - East Peru, IA
  • Average humidity in September: 76%

The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
East Peru, IA

Average rainfall in September - East Peru, IA
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in September
East Peru, IA

Average rainfall days in September - East Peru, IA
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is June (17.9 days).
The months with the least rainy days are January and February (3.8 days).

Average snowfall in September
East Peru, IA

Average snowfall in September - East Peru, IA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
East Peru, IA

Average snowfall days in September - East Peru, IA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
East Peru, IA

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 2min

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 24min).

Average sunshine days in September
East Peru, IA

Average sunshine days in September - East Peru, IA
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in September
East Peru, IA

Average UV index in September - East Peru, 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, October, November and December (UV index 2).

Average cloud cover in September
East Peru, IA

Average cloud cover in September - East Peru, IA
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).

Average visibility in September
East Peru, IA

Average visibility in September - East Peru, 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).

East Peru, Iowa, USA

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