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
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a tropical 90.1°F (32.3°C) to a moderately hot 83.3°F (28.5°C). In September, Sperry experiences a temperature dip to an average of 63.7°F (17.6°C) at night.Heat index
In September, the average heat index is computed to be a tropical 89.6°F (32°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in September in Sperry is 70%.Rainfall
In September, in Sperry, the rain falls for 11.1 days. Throughout September, 3.23" (82mm) of precipitation is accumulated. In Sperry, during the entire year, the rain falls for 130.4 days and collects up to 28.86" (733mm) of precipitation.Snowfall
In Sperry, Oklahoma, snow does not fall in April through October.Daylight
The average length of the day in September in Sperry is 12h and 24min.On the first day of September in Sperry, sunrise is at 6:56 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:08 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index in Sperry is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Be vigilant - Preventing sunburn is recommended. It's recommended to limit sun exposure when its radiation is at its peak during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
How hot is it in Sperry in September?
What is the average humidity in September in Sperry?
How much does it rain in Sperry in September?
When it does not snow in Sperry?
What is the average length of the day in September in Sperry?
What time are sunrise and sunset in September in Sperry?
How many hours of sunshine does Sperry have in September?
What is the UV index reading in September in Sperry?
Average temperature in September
Sperry, OK
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in September: 63.7°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 (30.6°F).
Average pressure in September
Sperry, 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
Sperry, OK
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Sperry, 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 and October (67%).
Average rainfall in September
Sperry, OK
- Average rainfall in September: 3.23"
The wettest month (with the highest rainfall) is May (5.16").
The driest months (with the least rainfall) are January and November (1.14").
Average rainfall days in September
Sperry, OK
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Sperry, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Sperry, 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 April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sperry, 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Sperry, OK
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in September
Sperry, 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
Sperry, OK
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Sperry, 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).
Sperry, Oklahoma, USA
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