September weather forecastWoodburn, IA
September
Weather in September
The first month of the autumn, September, is still a warm month in Woodburn, Iowa, with an average temperature fluctuating between 75.4°F (24.1°C) and 56.1°F (13.4°C).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 81.7°F (27.6°C) to a still warm 75.4°F (24.1°C). Throughout September, Woodburn witnesses a consistent average low-temperature of 56.1°F (13.4°C).Humidity
In September, the average relative humidity is 77%.Rainfall
In Woodburn, during September, the rain falls for 10.7 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Woodburn, during the entire year, the rain falls for 122.6 days and collects up to 20.43" (519mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Woodburn is 12h and 27min.On the first day of September in Woodburn, sunrise is at 6:41 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:57 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Woodburn, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Woodburn, IA
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
Woodburn, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Woodburn, IA
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Woodburn, IA
- Average humidity in September: 77%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Woodburn, IA
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in September
Woodburn, IA
- Average rainfall days in September: 10.7 days
The months with the highest number of rainy days are May and June (16.4 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall in September
Woodburn, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Woodburn, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Woodburn, 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 18min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Woodburn, IA
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is December (21 days).
The months with the least sunshine days are May and June (11.3 days).
Average UV index in September
Woodburn, IA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Woodburn, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Woodburn, IA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
