September weather forecastLake Aluma, OK
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Lake Aluma, Oklahoma, with an average temperature varying between 84.6°F (29.2°C) and 65.5°F (18.6°C).Temperature
With the commencement of September, Lake Aluma records a moderate temperature decline, with the average high easing from August's hot 92.8°F (33.8°C) to a moderately hot 84.6°F (29.2°C). Lake Aluma experiences a consistent average temperature of 65.5°F (18.6°C) throughout the nights in September.Heat index
The heat index in September is estimated at a tropical 89.6°F (32°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Lake Aluma, the average relative humidity in September is 65%.Rainfall
In Lake Aluma, in September, it is raining for 13.6 days, with typically 2.83" (72mm) of accumulated precipitation. In Lake Aluma, during the entire year, the rain falls for 121 days and collects up to 24.96" (634mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:14 pm CDT.
Sunshine
In Lake Aluma, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during September translates into the following guidance:
Guard yourself - Avoiding sunburn is suggested. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lake Aluma, OK
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in September
Lake Aluma, 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
Lake Aluma, OK
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Lake Aluma, OK
- Average humidity in September: 65%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Lake Aluma, OK
- Average rainfall in September: 2.83"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in September
Lake Aluma, OK
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Lake Aluma, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Lake Aluma, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3 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
Lake Aluma, OK
- Average daylight in September: 12h and 24min
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 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Lake Aluma, OK
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (13.9 days).
Average UV index in September
Lake Aluma, 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
Lake Aluma, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Lake Aluma, 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).
