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
In September, the meteorological conditions alter, with the average high-temperature shifting from a tropical 94.6°F (34.8°C) in August to a moderately hot 85.5°F (29.7°C). Throughout the month of September, Fletcher sees a steady low-temperature average of 66.2°F (19°C).Heat index
For most parts of September, the heat index is evaluated at a hot 91.4°F (33°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity is 63%.Rainfall
In September, the rain falls for 10.3 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 89.3 rainfall days, and 11.1" (282mm) of precipitation is accumulated.Snowfall
In Fletcher, Oklahoma, 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 September, sunrise is at 7:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:17 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Fletcher, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Fletcher have in September?
What is the UV index intensity in September?
Average temperature in September
Fletcher, OK
- Average high temperature in September: 85.5°F
The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 66.2°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 (32.7°F).
Average pressure in September
Fletcher, 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
Fletcher, OK
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Fletcher, OK
- Average humidity in September: 63%
The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Fletcher, OK
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is February (0.28").
Average rainfall days in September
Fletcher, OK
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in September
Fletcher, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Fletcher, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Fletcher, 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 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Fletcher, OK
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is January (26.6 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in September
Fletcher, 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
Fletcher, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Fletcher, 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).
Fletcher, Oklahoma, USA
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