September weather forecast
Ames, NE

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Weather in September

The first month of the autumn, September, is still a warm month in Ames, Nebraska, with an average temperature fluctuating between 77°F (25°C) and 56.3°F (13.5°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from 82.9°F (28.3°C) in August to a still moderately hot 77°F (25°C). The average temperature during September nights in Ames is registered at a mild 56.3°F (13.5°C).

Humidity

The average relative humidity in September is 71%.

Rainfall

In Ames, during September, the rain falls for 12.4 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 127.2 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

In Ames, Nebraska, snow does not fall in June through September.

Daylight

In Ames, the average length of the day in September is 12h and 28min.
On the first day of September in Ames, sunrise is at 6:53 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:09 pm CDT.

Sunshine

In September, the average sunshine in Ames is 8.8h.

UV index

In Ames, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. 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.
Updated: Feb 13, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are September temperatures in Ames?

In Ames, 77°F (25°C) is the average high-temperature and 56.3°F (13.5°C) is the average low-temperature during September. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 89.6°F (32°C).

What is the average humidity in September in Ames?

In September, the average relative humidity in Ames, Nebraska, is 71%.

How many days does it rain in September in Ames?

In Ames, during September, the rain falls for 12.4 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in Ames?

June through September are months without snowfall in Ames.

Does it snow in Ames in September?

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

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

In Ames, Nebraska, the average day length in September is 12h and 28min.

When are sunrise and sunset in September in Ames?

In September, on the first day of the month, sunrise is at 6:53 am and sunset at 7:58 pm. On the last day of the month, in Ames, sunrise is at 7:23 am and sunset at 7:09 pm CDT.

How long on average sun shines in September in Ames?

The average sunshine duration in September in Ames is 8.8h.

What is the UV index reading in September in Ames?

In Ames, Nebraska, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Ames, NE

Average temperature in September - Ames, NE
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

Average pressure in September
Ames, NE

Average pressure in September - Ames, NE
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in September
Ames, NE

Average wind speed in September - Ames, NE
  • Average wind speed in September: 8.7mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in September
Ames, NE

Average humidity in September - Ames, NE
  • Average humidity in September: 71%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (65%).

Average rainfall in September
Ames, NE

Average rainfall in September - Ames, NE
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in September
Ames, NE

Average rainfall days in September - Ames, NE
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (3.3 days).

Average snowfall in September
Ames, NE

Average snowfall in September - Ames, NE
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Ames, NE

Average snowfall days in September - Ames, NE
  • 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
Ames, NE

Average daylight in September / Average sunshine in September - Ames, NE
  • 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 12min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in September
Ames, NE

Average sunshine days in September - Ames, NE
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in September
Ames, NE

Average UV index in September - Ames, NE
  • Average UV index in September: 5

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
Ames, NE

Average cloud cover in September - Ames, NE
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in September
Ames, NE

Average visibility in September - Ames, NE
  • 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).

Ames, Nebraska, USA

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