September weather forecastCedar Bluff, IA
September
Weather in September
September, the first month of the autumn in Cedar Bluff, is also a moderately hot month, with an average temperature fluctuating between 55.4°F (13°C) and 75.2°F (24°C).Temperature
During September, the average high-temperature is a still moderately hot 75.2°F (24°C), maintaining a close resemblance to that of the preceding month. An average nighttime temperature of 55.4°F (13°C) is noted during the month of September.Humidity
In Cedar Bluff, the average relative humidity in September is 77%.Rainfall
In Cedar Bluff, in September, during 12.2 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Cedar Bluff, during the entire year, the rain falls for 139.1 days and collects up to 29.57" (751mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:48 pm CDT.
Sunshine
The average sunshine in September in Cedar Bluff, Iowa, is 9.4h.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 radiation for average individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cedar Bluff, IA
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in September: 55.4°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 (15.4°F).
Average pressure in September
Cedar Bluff, 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
Cedar Bluff, IA
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Cedar Bluff, IA
- Average humidity in September: 77%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Cedar Bluff, IA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in September
Cedar Bluff, IA
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in September
Cedar Bluff, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cedar Bluff, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cedar Bluff, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Cedar Bluff, IA
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in September
Cedar Bluff, 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
Cedar Bluff, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Cedar Bluff, 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).





