September weather forecastCrescent, OK
September
Weather in September
September, the first month of the autumn in Crescent, is also a moderately hot month, with an average temperature ranging between min 65.5°F (18.6°C) and max 84.7°F (29.3°C).Temperature
September indicates a minor shift in the average high-temperature, from August's hot 92.8°F (33.8°C) to a warm 84.7°F (29.3°C). Throughout the month of September, the average temperature dips to an enjoyable 65.5°F (18.6°C) at night.Heat index
September's heat index is calculated to be a tropical 89.6°F (32°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
The average relative humidity in September is 65%.Rainfall
In Crescent, in September, it is raining for 13.5 days, with typically 2.83" (72mm) of accumulated precipitation. In Crescent, during the entire year, the rain falls for 122.2 days and collects up to 24.17" (614mm) of precipitation.Snowfall
In Crescent, snow does not fall in May through October.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 7:57 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:14 pm CDT.
Sunshine
The average sunshine in September in Crescent is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Crescent, OK
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in September
Crescent, 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 (29.87"Hg).
Average wind speed in September
Crescent, OK
- Average wind speed in September: 8.7mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Crescent, 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
Crescent, OK
- Average rainfall in September: 2.83"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in September
Crescent, OK
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Crescent, 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
Crescent, 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, September and October (0 days).
Average daylight in September /
Average sunshine in September
Crescent, OK
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Crescent, OK
- Average sunshine days in September: 13.7 days
The months with the most sunshine days are January and December (23.6 days).
The month with the least sunshine days is September (13.7 days).
Average UV index in September
Crescent, 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
Crescent, OK
- Average cloud cover in September: 26
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
Crescent, 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).





