September weather forecast
Ricketts, IA

Share

Weather in September

The first month of the autumn, September, is still a warm month in Ricketts, Iowa, with an average temperature ranging between max 74.5°F (23.6°C) and min 55.6°F (13.1°C).

Temperature

Entering September, Ricketts's average high-temperature reads a still warm 74.5°F (23.6°C), indicating a close resemblance to the previous month's climate. Ricketts, during the nights of September, experiences an average temperature drop to a mild 55.6°F (13.1°C).

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Ricketts, in September, during 11.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, there are 123 rainfall days, and 24.72" (628mm) of precipitation is accumulated.

Snowfall

In Ricketts, Iowa, snow does not fall in June through September.

Daylight

In Ricketts, the average length of the day in September is 12h and 28min.
On the first day of September in Ricketts, sunrise is at 6:48 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:05 pm CDT.

Sunshine

The average sunshine in September is 9h.

UV index

In Ricketts, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Ricketts, is 74.5°F (23.6°C), while the low-temperature averages to 55.6°F (13.1°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in September in Ricketts?

In September, the average relative humidity is 75%.

How many days does it rain in September in Ricketts?

In Ricketts, Iowa, in September, during 11.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall in Ricketts.

Does it snow in September?

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

How many hours of daylight does Ricketts have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:48 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:05 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9h.

How high is the UV index in September?

In Ricketts, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Ricketts, IA

Average temperature in September - Ricketts, IA
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in September: 55.6°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).

Average pressure in September
Ricketts, IA

Average pressure in September - Ricketts, IA
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Ricketts, IA

Average wind speed in September - Ricketts, IA
  • Average wind speed in September: 8.7mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity in September
Ricketts, IA

Average humidity in September - Ricketts, IA
  • Average humidity in September: 75%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and October (68%).

Average rainfall in September
Ricketts, IA

Average rainfall in September - Ricketts, IA
  • Average rainfall in September: 2.64"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in September
Ricketts, IA

Average rainfall days in September - Ricketts, IA
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (3 days).

Average snowfall in September
Ricketts, IA

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

The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Ricketts, IA

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

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Ricketts, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 9h and 0min

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
Ricketts, IA

Average sunshine days in September - Ricketts, IA
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (11.9 days).

Average UV index in September
Ricketts, IA

Average UV index in September - Ricketts, IA
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in September
Ricketts, IA

Average cloud cover in September - Ricketts, IA
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
Ricketts, IA

Average visibility in September - Ricketts, 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).

Ricketts, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location