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
With the commencement of September, Cowles records a moderate temperature decline, with the average high easing from August's tropical 86.7°F (30.4°C) to a warm 79.3°F (26.3°C). Cowles throughout September, experiences an average nighttime temperature of 58.6°F (14.8°C).Humidity
In September, the average relative humidity is 65%.Rainfall
In Cowles, Nebraska, in September, it is raining for 10.9 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 110.2 rainfall days, and 21.42" (544mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:02 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:17 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Cowles, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Heed the precautions - It is counselled to guard against solar damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Cowles?
Does it snow in September?
How many hours of daylight does Cowles have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Cowles have in September?
How high is the UV index in September in Cowles?
Average temperature in September
Cowles, NE
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Cowles, NE
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Cowles, NE
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.7mph).
Average humidity in September
Cowles, NE
- Average humidity in September: 65%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is October (61%).
Average rainfall in September
Cowles, NE
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Cowles, NE
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in September
Cowles, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cowles, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cowles, NE
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in September
Cowles, NE
- Average sunshine days in September: 16.6 days
The months with the most sunshine days are January and November (23.2 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in September
Cowles, NE
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Cowles, NE
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Cowles, NE
- 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).
Cowles, Nebraska, USA
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