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
The shift from August to September involves a decrease in the average high-temperature, dropping from a tropical 94.1°F (34.5°C) to a warm 84.9°F (29.4°C). September's nights observe an average temperature of 65.7°F (18.7°C).Heat index
In September, the average heat index is evaluated at a tropical 89.6°F (32°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In September, the average relative humidity is 59%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 99.3 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
In Carter, snow does not fall in May through September.Daylight
In Carter, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:22 pm CDT.
Sunshine
The average sunshine in September in Carter is 9h.UV index
In September, the average daily maximum UV index in Carter is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September in Carter?
How much does it rain in Carter 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 many hours of sunshine does Carter have in September?
What is the UV index intensity in September?
Average temperature in September
Carter, OK
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is December (49.8°F).
- Average low temperature in September: 65.7°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in September
Carter, OK
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Carter, OK
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).
Average humidity in September
Carter, OK
- Average humidity in September: 59%
The month with the highest relative humidity is May (60%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in September
Carter, OK
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in September
Carter, OK
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is August (12 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in September
Carter, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Carter, 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
Carter, 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: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The months with the least sunshine are November and December (Average sunshine: 6h and 42min).
Average sunshine days in September
Carter, OK
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is August (14.8 days).
Average UV index in September
Carter, 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
Carter, OK
- Average cloud cover in September: 23
The month with the most cloud cover is April (Cloud cover 29).
The months with the least cloud cover are June and August (Cloud cover 17).
Average visibility in September
Carter, 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).
Carter, Oklahoma, USA
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