Climate averages 1991–2020

Shreveport weather
in September.

A hot, moderately wet month: the 4th warmest and the 3rd driest of the year.

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

Average high 30.8°C Daytime mean, September

Average low 20.8°C Night-time mean, September

Rainfall 78 mm 7 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

September is a hot month in Shreveport: daytime highs average 30.8°C and nights cool to about 20.8°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 78 mm of rain on roughly 7 days, which makes September a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average September day.

The nearest other city in this atlas is Longview (93 km away). In September its highs average 30.7°C, about as warm as Shreveport, with 84 mm of rain.

Among the 498 cities listed in the United States, Shreveport ranks joint 67th of 498 for the warmest September highs and joint 268th of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Shreveport is 3.9°C warmer than that mean.

From September to October, average highs fall by 5.6°C to 25.2°C, and monthly rainfall rises from 78 mm to 108 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

Shreveport climate table

1991–2020

Monthly climate averages for Shreveport, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	13.4°C4.0°C	4.0°C	108	9.4	10.310 h
February	15.6°C5.6°C	5.6°C	105	9.2	11.011 h
March	19.8°C9.3°C	9.3°C	132	10.7	12.012 h
April	23.9°C13.3°C	13.3°C	133	9.2	13.013 h
May	28.3°C18.3°C	18.3°C	104	11.3	13.814 h
June	31.9°C22.4°C	22.4°C	95	10.3	14.214 h
July	33.8°C24.3°C	24.3°C	74	9.3	14.114 h
August	34.1°C24.2°C	24.2°C	73	8.2	13.313 h
September, selected	30.8°C20.8°C	20.8°C	78	7.1	12.412 h
October	25.2°C14.8°C	14.8°C	108	7.0	11.411 h
November	18.7°C9.1°C	9.1°C	103	7.7	10.511 h
December	14.3°C5.2°C	5.2°C	120	9.3	10.110 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 Shreveport

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 Shreveport) is explained once on the Shreveport year overview and on the Sources, method and limits page.