September weather forecastWaucoma, IA
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Waucoma, Iowa, with an average temperature fluctuating between 71.4°F (21.9°C) and 52.9°F (11.6°C).Temperature
With the onset of September, Waucoma's average high-temperature slightly adjusts, moderately receding from August's moderately hot 77.5°F (25.3°C) to a pleasant 71.4°F (21.9°C). Waucoma experiences an average temperature drop to a fresh 52.9°F (11.6°C) during September nights.Humidity
The average relative humidity in September is 80%.Rainfall
In Waucoma, during September, the rain falls for 12.1 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 146.5 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Waucoma, the average length of the day in September is 12h and 29min.On the first day of September in Waucoma, sunrise is at 6:33 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:50 pm CDT.
Sunshine
In Waucoma, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To protect against the Sun's most potent rays, avoid direct exposure around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Waucoma, IA
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in September
Waucoma, 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 (29.89"Hg).
Average wind speed in September
Waucoma, IA
- Average wind speed in September: 8.2mph
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 (7.1mph).
Average humidity in September
Waucoma, IA
- Average humidity in September: 80%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in September
Waucoma, IA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is June (5.08").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Waucoma, IA
- Average rainfall days in September: 12.1 days
The months with the highest number of rainy days are May and June (19.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Waucoma, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Waucoma, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Waucoma, IA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Waucoma, IA
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in September
Waucoma, IA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Waucoma, IA
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Waucoma, IA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).





