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 correlates with a minor temperature reduction, down from August's hot 86.7°F (30.4°C) to a moderately hot 79.3°F (26.3°C). Throughout the month of September, Cowles observes an average nighttime temperature of 58.6°F (14.8°C).Humidity
In September, the average relative humidity in Cowles is 65%.Rainfall
In Cowles, Nebraska, during September, the rain falls for 10.9 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 110.2 rainfall days, and 21.42" (544mm) of precipitation is accumulated.Snowfall
In Cowles, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September in Cowles, 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 Cowles, Nebraska, the average sunshine in September is 8.5h.UV index
In Cowles, Nebraska, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What are September temperatures in Cowles?
What is the average humidity in September in Cowles?
How many days does it rain in September in Cowles?
When it does not snow in Cowles?
Does it snow in Cowles in September?
What is the average length of the day in September in Cowles?
When are sunrise and sunset in September in Cowles?
How many hours of sunshine does Cowles have in September?
What is the UV index reading 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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