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 Sapulpa, the average high-temperature in September slightly decreases from a tropical 90.7°F (32.6°C) in August to a moderately hot 83.5°F (28.6°C). In Sapulpa, the average temperature during the nights of September drops to a refreshing 64°F (17.8°C).Heat index
For September, the heat index is evaluated at a hot 89.6°F (32°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like 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. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In Sapulpa, the average relative humidity in September is 70%.Rainfall
In Sapulpa, during September, the rain falls for 11.9 days and regularly aggregates up to 3.39" (86mm) of precipitation. Throughout the year, there are 129 rainfall days, and 29.41" (747mm) of precipitation is accumulated.Snowfall
March through October are months without snowfall.Daylight
In September, the average length of the day in Sapulpa is 12h and 23min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:51 pm. On the last day of September, in Sapulpa, sunrise is at 7:19 am and sunset at 7:09 pm CDT.
Sunshine
In Sapulpa, the average sunshine in September is 8.6h.UV index
In Sapulpa, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
How hot is it in Sapulpa in September?
What is the average humidity in September in Sapulpa?
How much does it rain in Sapulpa in September?
When it does not snow in Sapulpa?
How many hours of daylight does Sapulpa have in September?
When is the sunrise / sunset in September in Sapulpa?
How many hours of sunshine does Sapulpa have in September?
What is the UV index reading in September in Sapulpa?
Average temperature in September
Sapulpa, OK
- Average high temperature in September: 83.5°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Sapulpa, 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 (29.89"Hg).
Average wind speed in September
Sapulpa, OK
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in September
Sapulpa, OK
- Average humidity in September: 70%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (67%).
Average rainfall in September
Sapulpa, OK
- Average rainfall in September: 3.39"
The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in September
Sapulpa, OK
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6 days).
Average snowfall in September
Sapulpa, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Sapulpa, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 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
Sapulpa, 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 48min).
- Average sunshine in September: 8h and 4min
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
Sapulpa, 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 (14.2 days).
Average UV index in September
Sapulpa, 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 and December (UV index 2).
Average cloud cover in September
Sapulpa, 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 21).
Average visibility in September
Sapulpa, 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).
Sapulpa, Oklahoma, USA
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