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 August transitions into September, Polk sees a gentle drop in the average high-temperature, transitioning from a warm 84.6°F (29.2°C) to a still moderately hot 77.4°F (25.2°C). Polk experiences a nighttime temperature average of 56.5°F (13.6°C) during September.Humidity
The average relative humidity in September in Polk is 67%.Rainfall
In September, the rain falls for 11.3 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 114.7 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:58 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:14 pm CDT.
Sunshine
In Polk, Nebraska, the average sunshine in September is 8.6h.UV index
In Polk, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Polk have in September?
What is the UV index reading in September?
Average temperature in September
Polk, NE
- Average high temperature in September: 77.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Polk, 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
Polk, NE
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in September
Polk, NE
- Average humidity in September: 67%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is October (62%).
Average rainfall in September
Polk, NE
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Polk, NE
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Polk, NE
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Polk, NE
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Polk, NE
- Average daylight in September: 12h and 3min
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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Polk, NE
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in September
Polk, NE
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Polk, NE
- Average cloud cover in September: 28
The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Polk, 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).
Polk, Nebraska, USA
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