September weather forecastFairbank, IA
September
Weather in September
September, the first month of the autumn in Fairbank, is also an agreeable month, with an average temperature varying between 53.2°F (11.8°C) and 72.5°F (22.5°C).Temperature
Fairbank, Iowa, marks the start of September with an average high-temperature of an agreeable 72.5°F (22.5°C), hinting at a slight fluctuation from August's 77.7°F (25.4°C). An average minimum temperature of 53.2°F (11.8°C) is recorded in Fairbank during the month of September.Humidity
The average relative humidity in September in Fairbank is 79%.Rainfall
In September, in Fairbank, the rain falls for 11.5 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. In Fairbank, during the entire year, the rain falls for 135.7 days and collects up to 29.65" (753mm) of precipitation.Snowfall
In Fairbank, snow does not fall in June through September.Daylight
In Fairbank, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:50 pm CDT.
Sunshine
In Fairbank, Iowa, the average sunshine in September is 9.1h.UV index
In Fairbank, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fairbank, IA
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in September
Fairbank, 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
Fairbank, IA
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Fairbank, IA
- Average humidity in September: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Fairbank, IA
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is June (5").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Fairbank, IA
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Fairbank, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fairbank, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fairbank, 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: 9h and 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Fairbank, IA
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in September
Fairbank, IA
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Fairbank, IA
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Fairbank, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
