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 weather is marked by a drop in the average high-temperature, falling from a hot 93.7°F (34.3°C) in August to a warm 84.6°F (29.2°C). The temperature dips to an average of 65.8°F (18.8°C) during September nights.Heat index
September's average heat index is appraised at a hot 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Corn, the average relative humidity in September is 61%.Rainfall
In Corn, in September, it is raining for 12.1 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 106 rainfall days, and 19.96" (507mm) of precipitation is accumulated.Snowfall
In Corn, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 7:08 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:19 pm CDT.
Sunshine
In Corn, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Act with care - The need to guard against sun damage is communicated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September in Corn?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Corn, OK
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 65.8°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 (30.6°F).
Average pressure in September
Corn, 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 (29.86"Hg).
Average wind speed in September
Corn, OK
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is April (12.8mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in September
Corn, OK
- Average humidity in September: 61%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Corn, OK
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (3.98").
The driest months (with the least rainfall) are January, February and December (0.83").
Average rainfall days in September
Corn, OK
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Corn, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Corn, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Corn, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Corn, OK
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (14 days).
Average UV index in September
Corn, 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
Corn, OK
- Average cloud cover in September: 25
The month with the most cloud cover is April (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Corn, 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).
Corn, Oklahoma, USA
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