September weather forecast
Oakland, AR

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Weather in September

September, the first month of the autumn in Oakland, is also a moderately hot month, with an average temperature fluctuating between 82.4°F (28°C) and 60.3°F (15.7°C).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a hot 89.8°F (32.1°C) in August to a moderately hot 82.4°F (28°C). In Oakland, the nighttime temperature registers a significant drop from daytime peaks to an average of 60.3°F (15.7°C) in September.

Heat index

The heat index in September is estimated at a tropical 87.8°F (31°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.73" (44mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:54 pm CDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

How hot does it get in September?

In September, the average high-temperature and low-temperature are 82.4°F (28°C) and 60.3°F (15.7°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

What is the driest month in Oakland?

September is the month with the least rainfall. Rain falls for 10.8 days and accumulates 1.73" (44mm) of precipitation.

How many days does it rain in September?

In Oakland, Arkansas, during September, the rain falls for 10.8 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Oakland have in September?

In September, the average day length is 12h and 24min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:54 pm CDT.

How many hours of sunshine does Oakland have in September?

The average sunshine duration in September is 9.2h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
Oakland, AR

Average temperature in September - Oakland, AR
  • Average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 60.3°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

Average pressure in September
Oakland, AR

Average pressure in September - Oakland, AR
  • Average pressure in September: 30.02"Hg

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

Average wind speed in September
Oakland, AR

Average wind speed in September - Oakland, AR
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are January, February, March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Oakland, AR

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

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).

Average rainfall in September
Oakland, AR

Average rainfall in September - Oakland, AR
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in September
Oakland, AR

Average rainfall days in September - Oakland, AR
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in September
Oakland, AR

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

The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Oakland, AR

Average snowfall days in September - Oakland, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days in September
Oakland, AR

Average sunshine days in September - Oakland, AR
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (12.7 days).

Average UV index in September
Oakland, AR

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

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

Average cloud cover in September
Oakland, AR

Average cloud cover in September - Oakland, AR
  • Average cloud cover in September: 32

The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 30).

Average visibility in September
Oakland, AR

Average visibility in September - Oakland, AR
  • Average visibility in September: 5mi

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

Oakland, Arkansas, USA

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