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
In September, the average high-temperature goes from a very hot 95.5°F (35.3°C) in August to a tropical 86.4°F (30.2°C). During the month of September, the nighttime temperature falls to an average of 67.3°F (19.6°C).Heat index
In September, the average heat index is computed to be a tropical 91.4°F (33°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.For clarity, heat index numbers account for light winds and areas under shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 hold particular importance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September is 61%.Rainfall
In Cache, in September, it is raining for 12.8 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 109.7 rainfall days, and 22.4" (569mm) of precipitation is accumulated.Snowfall
In Cache, snow does not fall in May through October.Daylight
In September, the average length of the day in Cache is 12h and 23min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:19 pm CDT.
Sunshine
In Cache, the average sunshine in September is 8.7h.UV index
In Cache, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Cache have in September?
How high is the UV index in September?
Average temperature in September
Cache, OK
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in September: 67.3°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Cache, 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 (29.87"Hg).
Average wind speed in September
Cache, OK
- Average wind speed in September: 8.7mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Cache, OK
- Average humidity in September: 61%
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Cache, OK
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in September
Cache, OK
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Cache, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Cache, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Cache, 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 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Cache, OK
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (14.5 days).
Average UV index in September
Cache, OK
- Average UV index in September: 6
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
Cache, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Cache, 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).
Cache, Oklahoma, USA
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