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 onset of September results in a small decrease in the average high-temperature, moderately receding from a hot 94.3°F (34.6°C) in August to a still tropical 86°F (30°C). During the month of September, an average low-temperature of 66.9°F (19.4°C) is recorded in Brown.Heat index
The heat index for September is appraised at a hot 93.2°F (34°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In Brown, the average relative humidity in September is 67%.Rainfall
In September, in Brown, the rain falls for 11.9 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Brown, there are 125.8 rainfall days, and 24.53" (623mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Brown.Daylight
The average length of the day in September in Brown, Oklahoma, is 12h and 22min.On the first day of September, sunrise is at 6:59 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:11 pm CDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Brown, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. 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 does it get in Brown in September?
What is the average humidity in September in Brown?
How much does it rain in Brown in September?
When it does not snow in Brown?
How many hours of daylight does Brown have in September?
What time are sunrise and sunset in September in Brown?
How long on average sun shines in September in Brown?
What is the UV index reading in September in Brown?
Average temperature in September
Brown, OK
- Average high temperature in September: 86°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in September: 66.9°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 (35.6°F).
Average pressure in September
Brown, 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 (29.9"Hg).
Average wind speed in September
Brown, OK
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest months (with the lowest average wind speed) are July, August and September (7mph).
Average humidity in September
Brown, OK
- Average humidity in September: 67%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Brown, OK
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in September
Brown, OK
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Brown, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Brown, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Brown, 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 August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Brown, OK
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (15.3 days).
Average UV index in September
Brown, OK
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Brown, OK
- Average cloud cover in September: 29
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
Brown, 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).
Brown, Oklahoma, USA
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