September weather forecastFourche, AR
September
Weather in September
September, the first month of the autumn in Fourche, is also a moderately hot month, with an average temperature fluctuating between 85.1°F (29.5°C) and 64.4°F (18°C).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a hot 91.2°F (32.9°C) in August to a moderately hot 85.1°F (29.5°C). Fourche, during September, witnesses an average low-temperature of 64.4°F (18°C).Heat index
During September, the heat index is calculated to be a tropical 93.2°F (34°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September in Fourche is 72%.Rainfall
The months with the least rainfall are January and September Rain falls for 10.5 days and accumulates 1.42" (36mm) of rain.Snowfall
In Fourche, snow does not fall in April through November.Daylight
In Fourche, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:43 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:55 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 6 in September leads to these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fourche, AR
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in September
Fourche, AR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Fourche, AR
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are February, March and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Fourche, AR
- Average humidity in September: 72%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Fourche, AR
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is April (2.8").
The driest months (with the least rainfall) are January and September (1.42").
Average rainfall days in September
Fourche, AR
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Fourche, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Fourche, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Fourche, AR
- Average daylight in September: 12h and 24min
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: 9h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Fourche, AR
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in September
Fourche, AR
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Fourche, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in September
Fourche, AR
- 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).
