September weather forecastShueyville, IA
September
Weather in September
The first month of the autumn, September, is still a warm month in Shueyville, Iowa, with an average temperature varying between 55.2°F (12.9°C) and 74.3°F (23.5°C).Temperature
As Shueyville transitions from August to September, the average high-temperatures adjust to a still moderately hot 74.3°F (23.5°C), nearly the same as the previous 79.5°F (26.4°C). Throughout September, Shueyville anticipates an average low-temperature of 55.2°F (12.9°C).Humidity
The average relative humidity in September is 77%.Rainfall
In Shueyville, in September, during 10.9 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in Shueyville, there are 120.7 rainfall days, and 18.31" (465mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Shueyville, Iowa.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Shueyville, Iowa, sunrise is at 6:33 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:49 pm CDT.
Sunshine
In Shueyville, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shueyville, IA
- Average high temperature in September: 74.3°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 (26.2°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in September
Shueyville, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Shueyville, IA
- Average wind speed in September: 8mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Shueyville, IA
- Average humidity in September: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Shueyville, IA
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in September
Shueyville, IA
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).
Average snowfall in September
Shueyville, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Shueyville, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 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
Shueyville, IA
- Average daylight in September: 12h and 30min
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 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Shueyville, IA
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Shueyville, 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 and December (UV index 1).
Average cloud cover in September
Shueyville, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in September
Shueyville, 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).
