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
A mild shift in the average high-temperature occurs in September, reducing from a hot 90°F (32.2°C) in August to a warm 83.7°F (28.7°C). During September, Fair Oaks records a consistent average nighttime temperature of 63.5°F (17.5°C).Heat index
September's mean heat index is computed to be a tropical 89.6°F (32°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
The average relative humidity in September is 71%.Rainfall
In Fair Oaks, in September, it is raining for 11.3 days, with typically 3.35" (85mm) of accumulated precipitation. In Fair Oaks, Oklahoma, during the entire year, the rain falls for 134.8 days and collects up to 30.04" (763mm) of precipitation.Snowfall
In Fair Oaks, snow does not fall in April through October.Daylight
In Fair Oaks, the average length of the day in September is 12h and 23min.On the first day of September in Fair Oaks, sunrise is at 6:55 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:07 pm CDT.
Sunshine
In Fair Oaks, the average sunshine in September is 9h.UV index
In Fair Oaks, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding the Sun during its peak radiation time around midday is a healthy practice. 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 it in Fair Oaks 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 Fair Oaks have in September?
What time are sunrise and sunset in September in Fair Oaks?
How many hours of sunshine does Fair Oaks have in September?
What is the UV index reading in September?
Average temperature in September
Fair Oaks, OK
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (46.2°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Fair Oaks, 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
Fair Oaks, OK
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Fair Oaks, OK
- Average humidity in September: 71%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (68%).
Average rainfall in September
Fair Oaks, OK
- Average rainfall in September: 3.35"
The wettest month (with the highest rainfall) is May (5.12").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in September
Fair Oaks, OK
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Fair Oaks, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Fair Oaks, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Fair Oaks, 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: 9h and 0min
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
Fair Oaks, OK
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in September
Fair Oaks, OK
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Fair Oaks, 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
Fair Oaks, 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).
Fair Oaks, Oklahoma, USA
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