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 is marked by a minor decrease in temperature, transitioning from a tropical 91.9°F (33.3°C) in August to a moderately hot 83.8°F (28.8°C). Fort Supply observes an average nighttime temperature of 64.9°F (18.3°C) during September.Heat index
The heat index value during September is estimated at a hot 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In Fort Supply, the average relative humidity in September is 58%.Rainfall
In Fort Supply, Oklahoma, during September, the rain falls for 11.4 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, in Fort Supply, there are 96.5 rainfall days, and 16.46" (418mm) of precipitation is accumulated.Snowfall
In Fort Supply, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September in Fort Supply, Oklahoma, sunrise is at 7:10 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:22 pm CDT.
Sunshine
In Fort Supply, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
How hot is it in Fort Supply in September?
What is the average humidity in September in Fort Supply?
How many days does it rain in September in Fort Supply?
When it does not snow in Fort Supply?
Does it snow in Fort Supply in September?
How many hours of daylight does Fort Supply have in September?
When is the sunrise / sunset in September in Fort Supply?
How many hours of sunshine does Fort Supply have in September?
What is the UV index intensity in September in Fort Supply?
Average temperature in September
Fort Supply, OK
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (46.9°F).
- Average low temperature in September: 64.9°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 (30.9°F).
Average pressure in September
Fort Supply, 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 (29.85"Hg).
Average wind speed in September
Fort Supply, OK
- Average wind speed in September: 11.5mph
The windiest month (with the highest average wind speed) is April (13.9mph).
The calmest month (with the lowest average wind speed) is August (10.3mph).
Average humidity in September
Fort Supply, OK
- Average humidity in September: 58%
The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is July (52%).
Average rainfall in September
Fort Supply, OK
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is October (2.2").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in September
Fort Supply, OK
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is August (12.8 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in September
Fort Supply, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Fort Supply, 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 and September (0 days).
Average daylight in September /
Average sunshine in September
Fort Supply, OK
- Average daylight in September: 12h and 2min
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 42min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Fort Supply, OK
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is August (15.1 days).
Average UV index in September
Fort Supply, 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
Fort Supply, OK
- Average cloud cover in September: 23
The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Fort Supply, 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).
Fort Supply, Oklahoma, USA
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