September weather forecastSmithfield, NE
September
Weather in September
The first month of the autumn, September, is still a warm month in Smithfield, Nebraska, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 78.6°F (25.9°C).Temperature
September signifies a minor drop in average high-temperature, transitioning from a hot 86.2°F (30.1°C) in August to a moderately hot 78.6°F (25.9°C). In September, the nighttime temperature plummets remarkably from the daily apex to a steady average of 56.1°F (13.4°C).Humidity
In Smithfield, the average relative humidity in September is 61%.Rainfall
In September, the rain falls for 9.8 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 117 rainfall days, and 18.35" (466mm) of precipitation is accumulated.Snowfall
In Smithfield, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:22 pm CDT.
Sunshine
In September, the average sunshine in Smithfield is 9h.UV index
In Smithfield, 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 rays for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Act with care - The need to guard against sun damage is communicated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Smithfield, NE
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in September: 56.1°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 (21°F).
Average pressure in September
Smithfield, NE
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Smithfield, NE
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).
Average humidity in September
Smithfield, NE
- Average humidity in September: 61%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is October (58%).
Average rainfall in September
Smithfield, NE
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Smithfield, NE
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Smithfield, NE
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Smithfield, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Smithfield, NE
- Average daylight in September: 12h and 24min
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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Smithfield, NE
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in September
Smithfield, 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
Smithfield, NE
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility in September
Smithfield, 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).
