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
The arrival of September corresponds with a light shift in temperature, down from a warm 78.3°F (25.7°C) in August to an agreeable 72.5°F (22.5°C). Doris anticipates an average minimum temperature of 54°F (12.2°C) in the month of September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Doris, in September, during 11.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 140.6 rainfall days, and 30" (762mm) of precipitation is accumulated.Snowfall
In Doris, snow does not fall in June through September.Daylight
In Doris, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:49 pm CDT.
Sunshine
In Doris, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding the Sun during its peak radiation time around midday is a healthy practice. 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
What are the temperatures in Doris 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 Doris have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Doris have in September?
What is the UV index intensity in September?
Average temperature in September
Doris, IA
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in September: 54°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 (12.2°F).
Average pressure in September
Doris, 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
Doris, IA
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Doris, IA
- Average humidity in September: 79%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Doris, IA
- Average rainfall in September: 2.72"
The wettest months (with the highest rainfall) are May and June (4.37").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in September
Doris, IA
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Doris, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Doris, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Doris, 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Doris, IA
- Average sunshine days in September: 15.4 days
The months with the most sunshine days are January, October and November (17.5 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in September
Doris, 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
Doris, IA
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in September
Doris, 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).
Doris, Iowa, USA
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