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
In Clay Center, the average high-temperature in September slightly decreases from 85.3°F (29.6°C) in August to a still moderately hot 77.9°F (25.5°C). During September, Clay Center consistently records a temperature low averaging a moderate 57.2°F (14°C).Humidity
In Clay Center, the average relative humidity in September is 67%.Rainfall
In Clay Center, in September, during 11.9 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Clay Center, during the entire year, the rain falls for 118.6 days and collects up to 22.05" (560mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:00 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:15 pm CDT.
Sunshine
In Clay Center, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature 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?
How many hours of daylight does Clay Center have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Clay Center have in September?
What is the UV index reading in September?
Average temperature in September
Clay Center, NE
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in September
Clay Center, 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
Clay Center, NE
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Clay Center, NE
- Average humidity in September: 67%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is October (62%).
Average rainfall in September
Clay Center, NE
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Clay Center, NE
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Clay Center, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clay Center, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clay Center, 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 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 24min).
Average sunshine days in September
Clay Center, NE
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Clay Center, 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
Clay Center, NE
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Clay Center, 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).
Clay Center, Nebraska, USA
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