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's arrival subtly correlates with a reduction in the average high-temperature, down from a hot 88.3°F (31.3°C) in August to a warm 81.1°F (27.3°C). Throughout the nights in September, Peoria experiences an average low-temperature of 61.7°F (16.5°C).Heat index
In September, the heat index is computed to be a tropical 86°F (30°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. 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 is 73%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 134.6 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
In Peoria, snow does not fall in April, June through October.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:46 pm. On the last day of September, in Peoria, sunrise is at 7:13 am and sunset at 7:03 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun is at its strongest around midday, find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Peoria have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Peoria, OK
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Peoria, OK
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Peoria, OK
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Peoria, OK
- Average humidity in September: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Peoria, OK
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in September
Peoria, OK
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is December (6.4 days).
Average snowfall in September
Peoria, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Peoria, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Peoria, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Peoria, OK
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Peoria, OK
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Peoria, OK
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 24).
Average visibility in September
Peoria, 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).
Peoria, Oklahoma, USA
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