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
As September unfolds, the average high-temperature reaches an agreeable 73.2°F (22.9°C), hinting at a slight fluctuation from the previous month. In Owasa, the nighttime temperature averages to a cool 54.5°F (12.5°C) during September.Humidity
The average relative humidity in September in Owasa is 77%.Rainfall
In September, the rain falls for 11.6 days. Throughout September, 2.68" (68mm) of precipitation is accumulated. In Owasa, during the entire year, the rain falls for 132 days and collects up to 27.01" (686mm) of precipitation.Snowfall
In Owasa, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:38 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:55 pm CDT.
Sunshine
In Owasa, the average sunshine in September is 9.1h.UV index
In Owasa, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Owasa have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Owasa have in September?
What is the UV index intensity in September?
Average temperature in September
Owasa, IA
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in September: 54.5°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 (11.8°F).
Average pressure in September
Owasa, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Owasa, IA
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Owasa, IA
- Average humidity in September: 77%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Owasa, IA
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Owasa, IA
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in September
Owasa, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Owasa, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Owasa, IA
- Average daylight in September: 12h and 3min
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 6min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Owasa, IA
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Owasa, 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, February, October, November and December (UV index 2).
Average cloud cover in September
Owasa, IA
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in September
Owasa, 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).
Owasa, Iowa, USA
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