Climate averages 1991–2020

Jonesboro weather
in September.

A warm, moderately wet month: the 4th warmest and the 2nd driest of the year. Meets the pleasant-weather rule

Long-term climate patterns, not a forecast for a particular trip.

Average high 27.9°C Daytime mean, September

Average low 18.8°C Night-time mean, September

Rainfall 79 mm 7 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

September is a warm month in Jonesboro: daytime highs average 27.9°C and nights cool to about 18.8°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 79 mm of rain on roughly 7 days, which makes September a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average September day.

The nearest other city in this atlas is Memphis (97 km away). In September its highs average 28.7°C, 0.9°C warmer than Jonesboro, with 74 mm of rain.

Among the 498 cities listed in the United States, Jonesboro ranks joint 207th of 498 for the warmest September highs and joint 272nd of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Jonesboro is 1.0°C warmer than that mean.

From September to October, average highs fall by 6.0°C to 21.9°C, and monthly rainfall rises from 79 mm to 96 mm.

The annual picture

September in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Jonesboro climate table

1991–2020

Monthly climate averages for Jonesboro, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	8.3°C-0.1°C	-0.1°C	93	9.1	10.010 h
February	10.7°C1.6°C	1.6°C	100	8.6	10.911 h
March	15.7°C6.0°C	6.0°C	126	11.3	11.912 h
April	21.0°C11.3°C	11.3°C	127	10.4	13.113 h
May	25.7°C16.5°C	16.5°C	113	11.3	14.014 h
June	30.1°C21.1°C	21.1°C	82	9.4	14.515 h
July	31.8°C23.3°C	23.3°C	83	9.7	14.314 h
August	31.4°C22.6°C	22.6°C	70	8.4	13.514 h
September, selected	27.9°C18.8°C	18.8°C	79	7.1	12.412 h
October	21.9°C12.7°C	12.7°C	96	7.7	11.311 h
November	14.9°C6.4°C	6.4°C	107	8.6	10.310 h
December	9.8°C1.8°C	1.8°C	112	8.7	9.810 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

September in nearby cities

Distance from Jonesboro

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Jonesboro) is explained once on the Jonesboro year overview and on the Sources, method and limits page.