September weather forecast
Fourche, AR

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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.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

The high-temperature during September is 85.1°F (29.5°C) and the low-temperature is 64.4°F (18°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is calculated to be 93.2°F (34°C).

What is the average humidity in September?

In Fourche, the average relative humidity in September is 72%.

What is the driest month?

January and September are months with the least rain in Fourche when the rain falls for 10.5 days and typically aggregates up to 1.42" (36mm) of rain.

How many days does it rain in September?

In Fourche, during September, the rain falls for 10.5 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When it does not snow?

In Fourche, snow does not fall in April through November.

How many hours of daylight does Fourche have in September?

In September, the average day length is 12h and 23min.

When are sunrise and sunset in September?

In September, on the first day of the month, 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.

How many hours of sunshine does Fourche have in September?

The average sunshine duration in September is 9.5h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Fourche, AR

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Fourche, AR
  • 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: 9h and 3min

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 - 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 - 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 - 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 - 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).

Fourche, Arkansas, USA

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