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 September commences, the average high-temperature subtly reduces, transitioning from a tropical 94.3°F (34.6°C) in August to a still hot 87.8°F (31°C). Omaha in September anticipates an average nighttime temperature of 67.1°F (19.5°C).Heat index
September's mean heat index is computed to be a sweltering 98.6°F (37°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
In September, the average relative humidity is 69%.Rainfall
September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.81" (46mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:04 pm CDT.
Sunshine
In Omaha, the average sunshine in September is 9.3h.UV index
In Omaha, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Omaha have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Omaha have in September?
What is the UV index reading in September?
Average temperature in September
Omaha, TX
- Average high temperature in September: 87.8°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (53.1°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in September
Omaha, TX
- 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 (29.93"Hg).
Average wind speed in September
Omaha, TX
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Omaha, TX
- Average humidity in September: 69%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Omaha, TX
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Omaha, TX
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Omaha, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Omaha, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Omaha, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Omaha, TX
- Average sunshine days in September: 15 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Omaha, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Omaha, TX
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Omaha, TX
- 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, Texas, USA
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