September weather forecastReasnor, IA
September
Weather in September
September, the first month of the autumn in Reasnor, is still a warm month, with an average temperature ranging between max 75.7°F (24.3°C) and min 55.9°F (13.3°C).Temperature
Reasnor's weather subtly changes with the onset of September, barely falling from 81.1°F (27.3°C) in August to a still warm 75.7°F (24.3°C). During the month of September, Reasnor experiences a steady low-temperature average of 55.9°F (13.3°C).Humidity
The average relative humidity in September is 77%.Rainfall
In Reasnor, in September, during 12.7 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 137 rainfall days, and 28.62" (727mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Reasnor, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:54 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Reasnor, IA
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in September
Reasnor, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Reasnor, IA
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Reasnor, IA
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Reasnor, IA
- Average rainfall in September: 2.99"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Reasnor, IA
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Reasnor, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Reasnor, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Reasnor, IA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Reasnor, IA
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Reasnor, 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 January (UV index 1).
Average cloud cover in September
Reasnor, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Reasnor, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





