Shreveport, LA weather in September
Shreveport is hot and often humid in September, with some rain: highs average 90°F and nights drop to about 67°F. Expect about 7 wet days.
- Normal high
- 90°F
- Normal low
- 67°F
- Wet days
- 7
- 3.5 in total
- Muggy days
- 18
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 93°F | 85°F |
| Normal low | 71°F | 62°F |
| Chance of a wet day | 23% | 22% |
| Sunrise / sunset | 6:50 am / 7:40 pm | 7:08 am / 7:01 pm |
| Daylight | 12.8 h | 11.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical September day
- 6 am69°Fdew point 65°F
- 9 am78°Fdew point 66°F
- Noon85°Fdew point 65°F
- 3 pm87°Fdew point 64°F
- 6 pm82°Fdew point 64°F
- 9 pm75°Fdew point 65°F
NOAA hourly normals (local standard time) from Shreveport (7 mi away); average wind 6 mph; clear or few clouds in 43% of daytime hours, mostly cloudy or overcast in 35%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F2 of 30
- Hot dayshigh 90°F or more17 of 30
- Muggy daysdaily mean dew point 65°F or more18 of 30
- Wet daysat least 0.01 in of rain or melted snow7 of 30
- Notable rainat least 0.10 in4 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.5 in; a dry September brings about 1.2 in and a wet one about 5.1 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202019: average high 96°F
- Coolest September2001: average high 83°F
- Wettest September2013: 9.3 in
- Driest September2017: no measurable precipitation
- Highest reading109°F (September 3, 2000)
- Lowest reading45°F (September 23, 1994)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 95°F | 90°F | 79°F |
| Normal low | 73°F | 67°F | 55°F |
| Wet days | 7 | 7 | 8 |
| Comfortable days | 0 | 2 | 11 |
| Daylight | 13.3 h | 12.4 h | 11.4 h |
Highs change by -5°F from August and -11°F into October.
Nearby alternatives in September
- Cooler: Fayetteville, AR246 mi · high 82°F · 9 wet days
How Shreveport ranks in September
- Normal high58th warmest of 378 cities; 2nd of 5 in Louisiana
- Wet days137th driest of 378
- Comfortable days275th most of 342
What to pack for Shreveport in September
- Light, breathable clothing – highs near 90°F and about 18 muggy days
Heating and cooling
September has 2 heating degree days and 401 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How hot is Shreveport in September?
The normal high is 90°F and the normal low is 67°F. From 1991 to 2020 the hottest September reading was 109°F (September 3, 2000).
Does it rain a lot in Shreveport in September?
About 7 days in September have at least 0.01 in of precipitation, and the normal total is 3.5 in. The wettest September in 1991-2020 was in 2013 (9.3 in); the driest was in 2017, with no measurable precipitation.
Is September a good time to visit Shreveport?
September ranks 9th of 12 months on our comfort score for Shreveport (41 out of 100). It has about 2 comfortable days and about 17 days at 90°F or hotter. The best months are March and April.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, humidity and wind by hour and cloud cover: Shreveport (USW00013957), 7.4 mi SW of the city center, 273 ft (123 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Shreveport Downtown Airport (USW00053905), 1.3 mi NNE of the city center, 179 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Shreveport Regional Airport (722480-13957), 6.9 mi SW of the city center, 228 ft (78 ft higher than the city). Hourly observations, 1991-2020.