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
September is characterized by a slight reduction in average high-temperature, easing from a hot 91.9°F (33.3°C) in August to a warm 84.2°F (29°C). Sparks, during the month of September, experiences an average low-temperature of 64.4°F (18°C).Heat index
The heat index for September is appraised at a tropical 89.6°F (32°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Heat index determinations are made taking into account the shade and light air movements. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In Sparks, Oklahoma, the average relative humidity in September is 68%.Rainfall
In Sparks, during September, the rain falls for 9.1 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Sparks, during the entire year, the rain falls for 87.3 days and collects up to 8.74" (222mm) of precipitation.Snowfall
In Sparks, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:12 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
Is it hot in Sparks during September?
What is the average humidity in September in Sparks?
How much does it rain in Sparks in September?
When it does not snow in Sparks?
What is the average length of the day in September in Sparks?
When are sunrise and sunset in September in Sparks?
How long on average sun shines in September in Sparks?
What is the UV index intensity in September in Sparks?
Average temperature in September
Sparks, OK
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Sparks, OK
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Sparks, OK
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).
Average humidity in September
Sparks, OK
- Average humidity in September: 68%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Sparks, OK
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is May (1.61").
The driest months (with the least rainfall) are February, November and December (0.28").
Average rainfall days in September
Sparks, OK
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is December (3.4 days).
Average snowfall in September
Sparks, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Sparks, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
Sparks, 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 48min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Sparks, OK
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is December (26.1 days).
The month with the least sunshine days is May (17.3 days).
Average UV index in September
Sparks, 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
Sparks, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Sparks, 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).
Sparks, Oklahoma, USA
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