As of 04:27 CDT

Harlingen, TX weather in September

78°

Harlingen, Sunday, 9 August, 04:27

Mostly clear. Feels like 80°. High 95°, low 78°.

Pressure29.94 inHg

Wind5.7 mph S

Humidity88%

Visibility6.2 mi

Dew point74°

See detailed hourly forecast

In September, Harlingen, TX averages a high of 88.9° and a low of 75.3°. About 4.1 inches of precipitation fall over the month (14 wet days). The record high is 106.3° (2000) and the record low 55.9° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	91.8°	77.5°	48%	100.6° (2000)	71.8° (1967)
2	91.6°	77.5°	48%	99° (2000)	73.4° (1969)
3	91.4°	77.2°	45%	101.1° (2011)	72.5° (1987)
4	90.9°	77°	55%	104° (2011)	69.6° (1987)
5	90.7°	77°	50%	106.3° (2000)	69.3° (1974)
6	90.1°	76.6°	55%	100.6° (2000)	65.3° (1974)
7	90°	76.1°	52%	100.8° (2023)	66.4° (1974)
8	90°	76.3°	42%	102° (2023)	65.5° (1988)
9	89.6°	76.1°	60%	100.4° (2023)	65.8° (1988)
10	88.9°	75.7°	57%	99.7° (2023)	65.3° (1988)
11	88.9°	75.7°	53%	100.2° (2023)	68.2° (1967)
12	89.2°	76.3°	52%	98.8° (2023)	68.2° (2017)
13	89.4°	76.3°	53%	100.6° (2023)	64.8° (1960)
14	88.7°	76.5°	65%	99.3° (2023)	64.9° (1960)
15	88.5°	76.1°	55%	100.4° (2023)	66.6° (1961)
16	88.9°	75.7°	48%	98.4° (2023)	66.7° (1961)
17	88.9°	76.1°	40%	97.5° (1987)	65.5° (2008)
18	88.5°	76.1°	35%	97° (1987)	65.7° (1981)
19	88.7°	75.7°	48%	96.6° (2016)	63.1° (1981)
20	88.7°	75.4°	40%	96.8° (2023)	65.8° (1971)
21	88.3°	75°	42%	96.3° (2023)	62.2° (1983)
22	87.8°	74.7°	40%	96.6° (2023)	59.4° (1995)
23	87.3°	73.9°	40%	100.4° (2005)	60.3° (1975)
24	87.8°	73.6°	42%	102.4° (2005)	58.5° (1975)
25	87.4°	73.6°	38%	100° (2011)	59.4° (1975)
26	88°	73.4°	33%	97.9° (2011)	62.1° (1989)
27	87.8°	73.2°	37%	98.1° (2011)	61.9° (2000)
28	86.7°	72.5°	37%	100.6° (2005)	60.6° (1996)
29	86.7°	71.8°	32%	95.7° (2005)	55.9° (1967)
30	86.7°	71.2°	30%	95.5° (1966)	58.1° (1967)