Jonesboro
Arkansas, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Jonesboro, AR

The first month of the autumn, September, is still a warm month in Jonesboro, Arkansas, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 82.9°F (28.3°C).

Temperature

In Jonesboro, Arkansas, the average high-temperature in September marginally drops, from a hot 90°F (32.2°C) in August, to a warm 82.9°F (28.3°C). In Jonesboro, the average low-temperature is 60.1°F (15.6°C).

Rainfall

In Jonesboro, it is raining for 8 days, with typically 3.1" (79.2mm) of accumulated precipitation. In Jonesboro, during the entire year, the rain falls for 108 days and collects up to 46.2" (1173.2mm) of precipitation.

Daylight

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

Sunshine

The average sunshine in September is 8h.

UV index

In Jonesboro, Arkansas, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in September transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.

What is the temperature in September in Jonesboro?

In Jonesboro, in September, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 60.1°F (15.6°C).

How much does it rain in Jonesboro in September?

In September, in Jonesboro, the rain falls for 8 days. Throughout September, 3.1" (79.2mm) of precipitation is accumulated.

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

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

How long on average sun shines in September in Jonesboro?

The average sunshine in September is 8h.

What is the UV index intensity in September in Jonesboro?

The average daily maximum UV index in September in Jonesboro, Arkansas, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.
Average temperature in September - Jonesboro, AR
  • Average high temperature in September: 83°F

The warmest month (with the highest average high temperature) is July (92°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in September: 60°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (26°F).

Average rainfall in September - Jonesboro, AR
  • Average rainfall in September: 3.1"

Wettest months (with the highest rainfall) are April and November (5").
Driest months (with the lowest rainfall) are July and August (2.7").

Average rainfall days in September - Jonesboro, AR
  • Average rainfall days in September: 8 days

The month with the highest number of rainy days is March (11 days).
The month with the lowest number of rainy days is October (7 days).

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

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

  • Average sunshine in September: 8h

Months with most sunshine are June and July (Average sunshine: 11h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in September - Jonesboro, AR
  • Average UV index in September: 7

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).