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 onset of September results in a decrease in the average high-temperature, receding from a fiery hot 95°F (35°C) in August to a hot 86°F (30°C). Ratliff City's temperature lowers to a mean of 66.9°F (19.4°C) during the nights in September.Heat index
In September, the average heat index is estimated at a hot 93.2°F (34°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. 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 are of high significance for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
The average relative humidity in September is 65%.Rainfall
In Ratliff City, in September, it is raining for 13 days, with typically 2.64" (67mm) of accumulated precipitation. In Ratliff City, during the entire year, the rain falls for 123.1 days and collects up to 26.1" (663mm) of precipitation.Snowfall
In Ratliff City, snow does not fall in March through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:03 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:15 pm CDT.
Sunshine
In Ratliff City, Oklahoma, 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 medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the UV index of 5 transforms into the following advice:
Undertake precautions - Guarding against sun damage is counselled. To guard against the harmful effects of the Sun, minimize exposure during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's 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?
How many hours of daylight does Ratliff City have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Ratliff City have in September?
What is the UV index intensity in September?
Average temperature in September
Ratliff City, OK
- Average high temperature in September: 86°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in September: 66.9°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 (35.2°F).
Average pressure in September
Ratliff City, 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 (29.88"Hg).
Average wind speed in September
Ratliff City, OK
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.5mph).
Average humidity in September
Ratliff City, OK
- Average humidity in September: 65%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Ratliff City, OK
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is December (1.26").
Average rainfall days in September
Ratliff City, OK
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in September
Ratliff City, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Ratliff City, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Ratliff City, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Ratliff City, OK
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (14.8 days).
Average UV index in September
Ratliff City, 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
Ratliff City, OK
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Ratliff City, 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).
Ratliff City, Oklahoma, USA
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