Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 78.6°F (25.9°C) to an agreeable 73°F (22.8°C). Sanborn experiences a mean temperature of 53.8°F (12.1°C) during September nights.Humidity
The average relative humidity in September is 73%.Rainfall
In Sanborn, during September, the rain falls for 9.2 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 95.2 rainfall days, and 9.25" (235mm) of precipitation is accumulated.Snowfall
In Sanborn, snow does not fall in June through September.Daylight
In Sanborn, the average length of the day in September is 12h and 29min.On the first day of September in Sanborn, sunrise is at 6:47 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:04 pm CDT.
Sunshine
In September, the average sunshine in Sanborn, Iowa, is 9h.UV index
In Sanborn, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Sanborn?
What is the average humidity in September in Sanborn?
How much does it rain in Sanborn in September?
When it does not snow in Sanborn?
Does it snow in Sanborn in September?
What is the average length of the day in September in Sanborn?
When are sunrise and sunset in September in Sanborn?
How long on average sun shines in September in Sanborn?
How high is the UV index in September in Sanborn?
Average temperature in September
Sanborn, IA
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in September
Sanborn, IA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Sanborn, IA
- Average wind speed in September: 9.2mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in September
Sanborn, IA
- Average humidity in September: 73%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Sanborn, IA
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Sanborn, IA
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2 days).
Average snowfall in September
Sanborn, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sanborn, 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
Sanborn, IA
- Average daylight in September: 12h and 3min
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 0min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Sanborn, IA
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in September
Sanborn, 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, February and November (UV index 1).
Average cloud cover in September
Sanborn, IA
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Sanborn, IA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sanborn, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location