September weather forecast and climate
Horatio, AR

Weather in September

September, the first month of the autumn, in Horatio, is also a hot month, with average temperature fluctuating between 86.9°F (30.5°C) and 65.5°F (18.6°C).

Temperature

In Horatio, the average high-temperature in September slightly decreases, from 93.2°F (34°C) in August, to a still tropical 86.9°F (30.5°C). The average low-temperature, in Horatio, is 65.5°F (18.6°C).

Heat index

In September, the average heat index is evaluated at a very hot 96.8°F (36°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 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 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, clothing, pregnancy, and wind affect individual temperature impact. 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 particularly important for children. 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

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

Rainfall

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

Snowfall

In Horatio snow does not fall in April through November.

Daylight

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

Sunshine

In September, the average sunshine in Horatio is 9.4h.

UV index

In September, the average daily maximum UV index in Horatio, Arkansas, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.
[Resources]

FAQ

What is the temperature in September in Horatio?

In Horatio, Arkansas, in September, the average high-temperature is 86.9°F (30.5°C), and the average low-temperature is 65.5°F (18.6°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that factores the actual air temperature with the relative humidity, is calculated to 96.8°F (36°C).

What is the average humidity in September in Horatio?

In September, the average relative humidity in Horatio, Arkansas, is 69%.

How many days does it rain in September in Horatio?

In Horatio, in September, it is raining for 11.1 days, with typically 1.34" (34mm) of accumulated precipitation.

What is the driest month in Horatio?

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

When it does not snow in Horatio?

In Horatio snow does not fall in April through November.

How many hours of daylight does Horatio have in September?

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

How many hours of sunshine does Horatio have in September?

The average sunshine in September is 9.4h.

What is the UV index reading in September in Horatio?

The average daily maximum UV index in September in Horatio, Arkansas, is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Horatio, AR

Average temperature in September - Horatio, 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).

[Resources]

Average pressure in September
Horatio, AR

Average pressure in September - Horatio, AR
  • Average pressure in September: 29.99"

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

[Resources]

Average wind speed in September
Horatio, AR

Average wind speed in September - Horatio, 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).

[Resources]

Average humidity in September
Horatio, AR

Average humidity in September - Horatio, 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%).

[Resources]

Average rainfall in September
Horatio, AR

Average rainfall in September - Horatio, 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").

[Resources]

Average rainfall days in September
Horatio, AR

Average rainfall days in September - Horatio, 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).

[Resources]

Average snowfall in September
Horatio, AR

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

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

[Resources]

Average snowfall days in September
Horatio, AR

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

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

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

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9.4h

The month with the most sunshine is August (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 5.2h).

[Resources]

Average sunshine days in September
Horatio, AR

Average sunshine days in September - Horatio, AR
  • Average sunshine days in September: 16.8 days

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

[Resources]

Average UV index in September
Horatio, AR

Average UV index in September - Horatio, AR
  • Average UV index in September: 6

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).

[Resources]

Average cloud cover in September
Horatio, AR

Average cloud cover in September - Horatio, 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).

[Resources]

Average visibility in September
Horatio, AR

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

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

[Resources]