September weather forecast
Red Wing, AR

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Weather in September

September, the first month of the autumn in Red Wing, is still a tropical month, with an average temperature ranging between max 86.9°F (30.5°C) and min 65.5°F (18.6°C).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of 93.2°F (34°C) in August to a still hot 86.9°F (30.5°C). In September, in Red Wing, the average low-temperature is an enjoyable 65.5°F (18.6°C).

Heat index

During September, the heat index is estimated at a torrid 96.8°F (36°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In Red Wing, the average relative humidity in September is 69%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.34" (34mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:51 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:02 pm CDT.

Sunshine

In September, the average sunshine is 9.4h.

UV index

In Red Wing, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the UV index of 6 transforms into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

September temperatures vary between a high-temperature of 86.9°F (30.5°C) and a low-temperature of 65.5°F (18.6°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 96.8°F (36°C).

What is the average humidity in September?

In September, the average relative humidity is 69%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.34" (34mm) of precipitation.

How much does it rain in September?

In Red Wing, in September, during 11.1 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

When it does not snow?

In Red Wing, snow does not fall in April through November.

How many hours of daylight does Red Wing have in September?

In September, the average day length is 12h and 22min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:51 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:02 pm CDT.

How many hours of sunshine does Red Wing have in September?

In September, the average sunshine duration is 9.4h.

How high is the UV index in September?

In Red Wing, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
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
Red Wing, AR

Average temperature in September - Red Wing, AR
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (51.3°F).

  • Average low temperature in September: 65.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average pressure in September
Red Wing, AR

Average pressure in September - Red Wing, AR
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Red Wing, AR

Average wind speed in September - Red Wing, AR
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Red Wing, AR

Average humidity in September - Red Wing, AR
  • Average humidity in September: 69%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Red Wing, AR

Average rainfall in September - Red Wing, AR
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in September
Red Wing, AR

Average rainfall days in September - Red Wing, AR
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in September
Red Wing, AR

Average snowfall in September - Red Wing, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Red Wing, AR

Average snowfall days in September - Red Wing, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.2 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
Red Wing, AR

Average daylight in September / Average sunshine in September - Red Wing, AR
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
Red Wing, AR

Average sunshine days in September - Red Wing, AR
  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is January (20.5 days).
The months with the least sunshine days are May and August (14.8 days).

Average UV index in September
Red Wing, AR

Average UV index in September - Red Wing, AR
  • Average UV index in September: 6

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
Red Wing, AR

Average cloud cover in September - Red Wing, AR
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in September
Red Wing, AR

Average visibility in September - Red Wing, AR
  • Average visibility in September: 6mi

The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).

Red Wing, Arkansas, USA

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