Beaumont, TX weather in September
Expect hot, oppressively humid weather with some rain in Beaumont in September, with highs near 90°F and lows near 71°F. Rain falls on about 9 days.
- Normal high
- 90°F
- Normal low
- 71°F
- Wet days
- 9
- 7.4 in total
- Muggy days
- 25
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 92°F | 87°F |
| Normal low | 73°F | 67°F |
| Chance of a wet day | 35% | 26% |
| Sunrise / sunset | 6:53 am / 7:39 pm | 7:09 am / 7:03 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 am72°Fdew point 70°F
- 9 am81°Fdew point 71°F
- Noon86°Fdew point 70°F
- 3 pm87°Fdew point 69°F
- 6 pm81°Fdew point 70°F
- 9 pm76°Fdew point 71°F
NOAA hourly normals (local standard time) from Port Arthur Se Tx Airport (11 mi away); average wind 7 mph; clear or few clouds in 54% of daytime hours, mostly cloudy or overcast in 26%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F1 of 30
- Hot dayshigh 90°F or more16 of 30
- Muggy daysdaily mean dew point 65°F or more25 of 30
- Wet daysat least 0.01 in of rain or melted snow9 of 30
- Notable rainat least 0.10 in7 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 7.4 in; a dry September brings about 3.1 in and a wet one about 10.2 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202005: average high 93°F
- Coolest September2003: average high 86°F
- Wettest September2019: 32.0 in
- Driest September2004: 2.0 in
- Highest reading105°F (September 4, 2000)
- Lowest reading49°F (September 26, 2000)
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 | 93°F | 90°F | 82°F |
| Normal low | 74°F | 71°F | 61°F |
| Wet days | 10 | 9 | 7 |
| Comfortable days | 0 | 1 | 7 |
| Daylight | 13.2 h | 12.3 h | 11.4 h |
Highs change by -3°F from August and -8°F into October.
Nearby alternatives in September
- Drier: Waco, TX207 mi · high 91°F · 6 wet days
How Beaumont ranks in September
- Normal high62nd warmest of 378 cities; 19th of 38 in Texas
- Wet days264th driest of 378
- Comfortable days289th most of 342
What to pack for Beaumont in September
- Light, breathable clothing – highs near 90°F and about 25 muggy days
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
September has 0 heating degree days and 452 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.
Questions
How hot is Beaumont in September?
The normal high is 90°F and the normal low is 71°F. From 1991 to 2020 the hottest September reading was 105°F (September 4, 2000).
Does it rain a lot in Beaumont in September?
About 9 days in September have at least 0.01 in of precipitation, and the normal total is 7.4 in. The wettest September in 1991-2020 was in 2019 (32.0 in); the driest was in 2004 (2.0 in).
Is September a good time to visit Beaumont?
September ranks 9th of 12 months on our comfort score for Beaumont (38 out of 100). It has about 1 comfortable day and about 16 days at 90°F or hotter. The best months are March, April and November.
Where the numbers come from
- Temperature, humidity and wind by hour and cloud cover: Port Arthur Se Tx Airport (USW00012917), 11 mi SSE of the city center, 16 ft . NOAA normals and daily records, 1991-2020.
- Rain, snowfall and frost dates: Beaumont City (USC00410611), 0.8 mi N of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Snow depth: Lumberton (USC00415435), 12 mi NNW of the city center, 39 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Southeast Texas Regional Airport (722410-12917), 10 mi SSE of the city center, 12 ft . Hourly observations, 1991-2020.