September weather forecastFirth, NE
September
Weather in September
The first month of the autumn, September, is still a warm month in Firth, Nebraska, with an average temperature fluctuating between 58.1°F (14.5°C) and 77.9°F (25.5°C).Temperature
With the onset of September, Firth experiences a modest temperature adjustment, with the average high-temperature gently receding from 84.6°F (29.2°C) in August to a still moderately hot 77.9°F (25.5°C). Firth experiences an average temperature drop to a mild 58.1°F (14.5°C) during September nights.Humidity
In Firth, the average relative humidity in September is 70%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 116.9 rainfall days, and 22.48" (571mm) of precipitation is accumulated.Snowfall
In Firth, snow does not fall in June through September.Daylight
In Firth, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:54 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:09 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Firth, NE
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Firth, NE
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Firth, NE
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in September
Firth, NE
- Average humidity in September: 70%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
Firth, NE
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in September
Firth, NE
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in September
Firth, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Firth, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Firth, 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: 8h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Firth, NE
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (23.1 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in September
Firth, 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
Firth, NE
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Firth, 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).
