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
The commencement of September involves a temperature shift, with the average high-temperature dropping from a fiery hot 95.5°F (35.3°C) in August to a hot 86.2°F (30.1°C). During September, Empire City experiences an average low-temperature of 67.1°F (19.5°C) at night.Heat index
September's average heat index is calculated to be a hot 93.2°F (34°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Realize that the values for the heat index are set for shaded places and light winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In September, the average relative humidity in Empire City is 63%.Rainfall
In Empire City, during September, the rain falls for 12.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Empire City, Oklahoma, during the entire year, the rain falls for 106.9 days and collects up to 18.11" (460mm) of precipitation.Snowfall
In Empire City, snow does not fall in May through October.Daylight
The average length of the day in September in Empire City is 12h and 23min.On the first day of the month, sunrise is at 7:05 am and sunset at 7:57 pm. On the last day of September, in Empire City, sunrise is at 7:26 am and sunset at 7:17 pm CDT.
Sunshine
The average sunshine in September in Empire City is 8.4h.UV index
In Empire City, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the UV index of 5 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
How hot is it in Empire City in September?
What is the average humidity in September in Empire City?
How many days does it rain in September in Empire City?
When it does not snow in Empire City?
What is the average length of the day in September in Empire City?
When is the sunrise / sunset in September in Empire City?
How many hours of sunshine does Empire City have in September?
What is the UV index reading in September in Empire City?
Average temperature in September
Empire City, OK
- Average high temperature in September: 86.2°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is December (51.6°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (74.1°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Empire City, OK
- 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 (29.88"Hg).
Average wind speed in September
Empire City, OK
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in September
Empire City, OK
- Average humidity in September: 63%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Empire City, OK
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are January, February and November (0.71").
Average rainfall days in September
Empire City, OK
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Empire City, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Empire City, OK
- 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Empire City, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Empire City, OK
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is May (15 days).
Average UV index in September
Empire City, OK
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Empire City, OK
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Empire City, OK
- 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).
Empire City, Oklahoma, USA
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