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 shift from August to September corresponds with a decrease in the average high-temperature, down to a moderately hot 85.5°F (29.7°C) from a tropical 94.6°F (34.8°C). In September, Apache reports a consistent average low-temperature of 66.2°F (19°C) during the nights.Heat index
The average heat index in September is appraised at 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.Know that the heat index computations account for shaded terrains and slight winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In Apache, the average relative humidity in September is 63%.Rainfall
In September, the rain falls for 10.3 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 89.3 rainfall days, and 11.1" (282mm) of precipitation is accumulated.Snowfall
In Apache, Oklahoma, snow does not fall in May through October.Daylight
In Apache, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:18 pm CDT.
Sunshine
In Apache, Oklahoma, the average sunshine in September is 8.7h.UV index
In Apache, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Apache have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Apache have in September?
How high is the UV index in September?
Average temperature in September
Apache, OK
- Average high temperature in September: 85.5°F
The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 66.2°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in September
Apache, 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
Apache, OK
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Apache, OK
- Average humidity in September: 63%
The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Apache, OK
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is February (0.28").
Average rainfall days in September
Apache, OK
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in September
Apache, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Apache, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Apache, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Apache, OK
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is January (26.6 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in September
Apache, 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
Apache, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Apache, 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).
Apache, Oklahoma, USA
Weather forecast for your location
2. Allow the app to use your location