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
With the arrival of September, Owasso notices a mild change in the average high-temperature, sliding from August's hot 90.1°F (32.3°C) to a warm 83.5°F (28.6°C). Owasso experiences a consistent average temperature of 63.9°F (17.7°C) throughout the nights in September.Heat index
Throughout September, the heat index is appraised at a hot 89.6°F (32°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.For clarity, heat index numbers account for light winds and areas under shade. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In September, the average relative humidity is 70%.Rainfall
In Owasso, during September, the rain falls for 10.1 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Owasso, during the entire year, the rain falls for 126.3 days and collects up to 21.46" (545mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Owasso, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:55 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:07 pm CDT.
Sunshine
In September, the average sunshine in Owasso is 8.9h.UV index
In Owasso, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take precautions - Protection against sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
How hot is September in Owasso?
What is the average humidity in September in Owasso?
How many days does it rain in September in Owasso?
When it does not snow in Owasso?
How many hours of daylight does Owasso have in September?
When are sunrise and sunset in September in Owasso?
How long on average sun shines in September in Owasso?
How high is the UV index in September in Owasso?
Average temperature in September
Owasso, OK
- Average high temperature in September: 83.5°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (46.2°F).
- Average low temperature in September: 63.9°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in September
Owasso, OK
- 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 (29.9"Hg).
Average wind speed in September
Owasso, OK
- Average wind speed in September: 7.4mph
The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Owasso, OK
- Average humidity in September: 70%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are August and October (67%).
Average rainfall in September
Owasso, OK
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (3.86").
The driest months (with the least rainfall) are February and November (0.87").
Average rainfall days in September
Owasso, OK
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Owasso, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Owasso, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Owasso, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Owasso, OK
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
Owasso, 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
Owasso, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Owasso, 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).
Owasso, Oklahoma, USA
Weather forecast for your location
2. Allow the app to use your location
