As of 02:36 CDT

Port Arthur, TX weather in September

76°

Port Arthur, Sunday, 9 August, 02:36

Partly cloudy. Feels like 78°. High 88°, low 76°.

Pressure30.00 inHg

Wind4.9 mph S

Humidity89%

Visibility6.2 mi

Dew point73°

See detailed hourly forecast

In September, Port Arthur, TX averages a high of 84.1° and a low of 74.5°. About 5.8 inches of precipitation fall over the month (13 wet days). The record high is 100.9° (2000) and the record low 56.3° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	86.2°	77.4°	62%	99.9° (2000)	71.2° (2017)
2	86.4°	77.2°	55%	97.7° (2000)	68.9° (1967)
3	86°	77.2°	60%	97.9° (2000)	69.8° (1987)
4	85.8°	77.2°	58%	100.9° (2000)	65.7° (1974)
5	85.6°	76.5°	48%	100° (2000)	61.9° (1974)
6	85.5°	76.1°	47%	94.6° (2023)	63.3° (1974)
7	85.3°	75.7°	50%	96.6° (2023)	66.4° (2017)
8	85.5°	75.9°	48%	98.2° (2023)	64.4° (1988)
9	85.1°	75.7°	40%	92.3° (2023)	65.5° (2011)
10	84.7°	75.7°	45%	91.8° (2023)	67.6° (2017)
11	84.6°	75.6°	45%	92.8° (1964)	68.4° (2017)
12	84.6°	75.6°	55%	91.9° (2023)	63° (2017)
13	84.9°	75.7°	42%	91.8° (2019)	66.9° (1969)
14	84.7°	75.6°	48%	92.1° (2019)	66.9° (1975)
15	84.7°	75.4°	37%	92.8° (2020)	66° (1989)
16	84.4°	74.8°	47%	94.3° (2004)	62.8° (1961)
17	84.4°	75°	45%	91.6° (2004)	61° (1961)
18	84°	75.2°	35%	91.2° (2004)	60.6° (1981)
19	84.4°	74.8°	47%	91.2° (2004)	58.8° (1981)
20	83.8°	74.5°	45%	93.4° (2005)	63.9° (1981)
21	83.7°	74.3°	47%	96.3° (2005)	62.4° (1983)
22	83.3°	73.4°	38%	95.5° (2005)	57.2° (1983)
23	82.6°	72.9°	32%	92.7° (2022)	58.8° (1983)
24	82.4°	72.5°	28%	91.8° (2023)	59° (1989)
25	81.9°	72.3°	35%	90° (2022)	59.7° (1989)
26	82.2°	71.8°	28%	91.6° (2022)	58.6° (2000)
27	82.2°	71.1°	23%	89.6° (1998)	59° (2000)
28	82°	71.2°	37%	91.8° (1998)	58.5° (1967)
29	81.7°	70.2°	25%	91.4° (1998)	56.3° (1967)
30	81.5°	69.1°	18%	91.8° (2023)	57° (1985)