September weather forecast and climate
Hartman, AR

Weather in September

The first month of the autumn, September, is still a warm month in Hartman, Arkansas, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 83.7°F (28.7°C).

Temperature

In September, the average high-temperature marginally drops, from a hot 90.7°F (32.6°C) in August, to a moderately hot 83.7°F (28.7°C). The average low-temperature, in Hartman, is 61.7°F (16.5°C).

Heat index

In September, the average heat index is appraised at a tropical 90.7°F (32.6°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With 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 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, pregnancy, clothing, and differences in body mass, height, and shape affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Hartman, the average relative humidity in September is 73%.

Rainfall

July and September are months with the least rain when the rain falls for 11.7 days and typically aggregates up to 2.36" (60mm) of rain.

Snowfall

April through October are months without snowfall in Hartman.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

In Hartman, the average sunshine is 9.3h.

UV index

In Hartman, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
[Resources]

FAQ

What is the temperature in September in Hartman?

In Hartman, in September, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 61.7°F (16.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 90.7°F (32.6°C).

What is the average humidity in September in Hartman?

In Hartman, the average relative humidity in September is 73%.

What is the driest month in Hartman?

July and September are months with the least rain in Hartman when the rain falls for 11.7 days and typically aggregates up to 2.36" (60mm) of rain.

How many days does it rain in September in Hartman?

In September, in Hartman, the rain falls for 11.7 days. Throughout September, 2.36" (60mm) of precipitation is accumulated.

When it does not snow in Hartman?

In Hartman, Arkansas, snow does not fall in April through October.

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

In September, the average length of the day in Hartman, Arkansas, is 12.4h.

How many hours of sunshine does Hartman have in September?

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

How high is the UV index in September in Hartman?

In September, the average daily maximum UV index in Hartman, Arkansas, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Hartman, AR

Average temperature in September - Hartman, AR
  • Average high temperature in September: 83.7°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in September: 61.7°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 (30.6°F).

[Resources]

Average pressure in September
Hartman, AR

Average pressure in September - Hartman, AR
  • Average pressure in September: 30.02"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.94").

[Resources]

Average wind speed in September
Hartman, AR

Average wind speed in September - Hartman, AR
  • Average wind speed in September: 4.4mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

[Resources]

Average humidity in September
Hartman, AR

Average humidity in September - Hartman, AR
  • Average humidity in September: 73%

Months with the highest relative humidity are March and May (79%).
Months with the lowest relative humidity are July and August (72%).

[Resources]

Average rainfall in September
Hartman, AR

Average rainfall in September - Hartman, AR
  • Average rainfall in September: 2.36"

The wettest months (with the highest rainfall) are April and May (4.41").
The driest months (with the least rainfall) are July and September (2.36").

[Resources]

Average rainfall days in September
Hartman, AR

Average rainfall days in September - Hartman, AR
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is November (9 days).

[Resources]

Average snowfall in September
Hartman, AR

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

Months with the highest snowfall are January and February (0.79").
Months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Hartman, AR

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

Months with the highest number of snowfall days are January and February (1.5 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 14.5h).
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 July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 5.4h).

[Resources]

Average sunshine days in September
Hartman, AR

Average sunshine days in September - Hartman, AR
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (13.2 days).

[Resources]

Average UV index in September
Hartman, AR

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

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

[Resources]

Average cloud cover in September
Hartman, AR

Average cloud cover in September - Hartman, AR
  • Average cloud cover in September: 30

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 28).

[Resources]

Average visibility in September
Hartman, AR

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

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location