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 signifies a minor drop in average high-temperature, transitioning from a hot 93°F (33.9°C) in August to a warm 84.6°F (29.2°C). In Calumet, September's nights observe an average temperature dip to an enjoyable 65.8°F (18.8°C).Heat index
In September, the heat index is estimated at a hot 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In Calumet, the average relative humidity in September is 64%.Rainfall
In Calumet, in September, it is raining for 11.8 days, with typically 2.52" (64mm) of accumulated precipitation. In Calumet, during the entire year, the rain falls for 105.3 days and collects up to 19.69" (500mm) of precipitation.Snowfall
In Calumet, Oklahoma, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 7:05 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:17 pm CDT.
Sunshine
In Calumet, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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?
How many days does it rain in September?
When it does not snow in Calumet?
How many hours of daylight does Calumet have 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
Calumet, OK
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Calumet, OK
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Calumet, OK
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in September
Calumet, OK
- Average humidity in September: 64%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Calumet, OK
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in September
Calumet, OK
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in September
Calumet, OK
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Calumet, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Calumet, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Calumet, OK
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is September (15.7 days).
Average UV index in September
Calumet, 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
Calumet, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Calumet, 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).
Calumet, Oklahoma, USA
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