September weather forecast and climate
Winslow, AR

Weather in September

September, the first month of the autumn, in Winslow, is also a moderately hot month, with average temperature ranging between max 81.1°F (27.3°C) and min 61.2°F (16.2°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 88.3°F (31.3°C) in August, to a moderately hot 81.1°F (27.3°C). In September, the average low-temperature is 61.2°F (16.2°C).

Heat index

The average heat index is appraised at 85.6°F (29.8°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, pregnancy, differences in body mass, height, and shape), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Winslow, the average relative humidity is 74%.

Rainfall

In September, in Winslow, the rain falls for 10.4 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, in Winslow, there are 120.9 rainfall days, and 16.42" (417mm) of precipitation is accumulated.

Snowfall

In Winslow snow does not fall in June through October.

Daylight

The average length of the day in September is 12.4h.

Sunshine

In September, the average sunshine in Winslow is 9.3h.

UV index

In Winslow, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Winslow?

In September, in Winslow, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 61.2°F (16.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines both air temperature and relative humidity, in September is evaluated at 85.6°F (29.8°C).

What is the average humidity in September in Winslow?

In Winslow, Arkansas, the average relative humidity in September is 74%.

How much does it rain in Winslow in September?

In Winslow, in September, it is raining for 10.4 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow in Winslow?

In Winslow snow does not fall in June through October.

What is the average length of the day in September in Winslow?

The average length of the day in September is 12.4h.

How long on average sun shines in September in Winslow?

In September, the average sunshine is 9.3h.

How high is the UV index in September in Winslow?

In Winslow, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.

Average temperature in September
Winslow, AR

Average temperature in September - Winslow, AR
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (44.4°F).

  • Average low temperature in September: 61.2°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure in September
Winslow, AR

Average pressure in September - Winslow, AR
  • Average pressure in September: 30.01"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
Winslow, AR

Average wind speed in September - Winslow, AR
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in September
Winslow, AR

Average humidity in September - Winslow, AR
  • Average humidity in September: 74%

The month with the highest relative humidity is May (78%).
Months with the lowest relative humidity are August and October (72%).

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Average rainfall in September
Winslow, AR

Average rainfall in September - Winslow, AR
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is August (2.17").
The driest month (with the least rainfall) is February (0.83").

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Average rainfall days in September
Winslow, AR

Average rainfall days in September - Winslow, AR
  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (6.5 days).

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Average snowfall in September
Winslow, AR

Average snowfall in September - Winslow, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.47").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Winslow, AR

Average snowfall days in September - Winslow, AR
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (2.3 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Winslow, AR

Average daylight in September / Average sunshine in September - Winslow, AR
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is August (Average sunshine: 10.8h).
Months with the least sunshine are January and December (Average sunshine: 5.5).

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Average sunshine days in September
Winslow, AR

Average sunshine days in September - Winslow, AR
  • Average sunshine days in September: 17.3 days

Months with the most sunshine days are January and December (22 days).
The month with the least sunshine days is April (14.3 days).

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Average UV index in September
Winslow, AR

Average UV index in September - Winslow, AR
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in September
Winslow, AR

Average cloud cover in September - Winslow, AR
  • Average cloud cover in September: 28

Months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in September
Winslow, AR

Average visibility in September - Winslow, AR
  • Average visibility in September: 6mi

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

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