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
Onset of September witnesses a reduction in the average high-temperature, falling from a torrid 95°F (35°C) in August to a moderately hot 85.8°F (29.9°C). An average nighttime temperature of 67.1°F (19.5°C) is witnessed throughout September.Heat index
September's mean heat index is evaluated at a hot 91.4°F (33°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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
In September, the average relative humidity in Rocky is 60%.Rainfall
In Rocky, during September, the rain falls for 11.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Rocky, Oklahoma, during the entire year, the rain falls for 98.2 days and collects up to 19.29" (490mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Rocky, the average length of the day in September is 12h and 23min.On the first day of September in Rocky, Oklahoma, sunrise is at 7:09 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:21 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September in Rocky is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
How hot does it get in Rocky in September?
What is the average humidity in September in Rocky?
How much does it rain in Rocky in September?
When it does not snow in Rocky?
What is the average length of the day in September in Rocky?
When is the sunrise / sunset in September in Rocky?
How long on average sun shines in September in Rocky?
What is the UV index intensity in September in Rocky?
Average temperature in September
Rocky, OK
- Average high temperature in September: 85.8°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (50.2°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (75°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in September
Rocky, 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
Rocky, OK
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is April (12.7mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in September
Rocky, OK
- Average humidity in September: 60%
The month with the highest relative humidity is May (63%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Rocky, OK
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Rocky, OK
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Rocky, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Rocky, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Rocky, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Rocky, OK
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is May (16.6 days).
Average UV index in September
Rocky, 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
Rocky, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 32).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility in September
Rocky, 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).
Rocky, Oklahoma, USA
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