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
September reveals a small adjustment in temperature, transitioning from an average high of a warm 82.6°F (28.1°C) in August to a still moderately hot 76.6°F (24.8°C). During the nights in September, the temperature averages to a moderate 57°F (13.9°C).Humidity
In September, the average relative humidity in Omaha is 72%.Rainfall
In September, the rain falls for 12 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Omaha, Nebraska, there are 122.5 rainfall days, and 22.52" (572mm) of precipitation is accumulated.Snowfall
In Omaha, snow does not fall in June through September.Daylight
In Omaha, the average length of the day in September is 12h and 28min.On the first day of September in Omaha, sunrise is at 6:51 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:06 pm CDT.
Sunshine
The average sunshine in September in Omaha is 9h.UV index
In September, the average daily maximum UV index in Omaha is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Take precautions - Protection against sunburn is recommended. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What are September temperatures in Omaha?
What is the average humidity in September in Omaha?
How many days does it rain in September in Omaha?
When it does not snow in Omaha?
Does it snow in Omaha in September?
How many hours of daylight does Omaha have in September?
What time are sunrise and sunset in September in Omaha?
How many hours of sunshine does Omaha have in September?
What is the UV index intensity in September in Omaha?
Average temperature in September
Omaha, NE
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in September
Omaha, NE
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Omaha, NE
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Omaha, NE
- Average humidity in September: 72%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Omaha, NE
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Omaha, NE
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3 days).
Average snowfall in September
Omaha, NE
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Omaha, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Omaha, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Omaha, NE
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Omaha, 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, October, November and December (UV index 2).
Average cloud cover in September
Omaha, NE
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Omaha, 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).
Omaha, Nebraska, USA
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