As of 04:32 CDT

St. Joseph, MO weather in September

78°

St. Joseph, Sunday, 9 August, 04:32

Rain. Feels like 79°. High 100°, low 78°.

Pressure29.85 inHg

Wind14.4 mph S

Humidity68%

Visibility6.2 mi

Dew point67°

See detailed hourly forecast

In September, St. Joseph, MO averages a high of 77.6° and a low of 60.7°. About 3.6 inches of precipitation fall over the month (8 wet days). The record high is 99.5° (2011) and the record low 35.1° (1984). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	82.6°	66.6°	30%	99.5° (2011)	52.2° (1967)
2	82.6°	66.2°	30%	96.6° (2000)	51.8° (1974)
3	82.8°	66°	22%	93.4° (2000)	45.9° (1974)
4	81.9°	65.5°	23%	93.2° (1990)	44.6° (1974)
5	82.2°	65.1°	22%	93.6° (1990)	46.6° (1974)
6	81.7°	64.8°	20%	96.4° (1990)	49.8° (1988)
7	81.1°	64.6°	30%	97.3° (2013)	50.7° (2025)
8	80.4°	63.5°	22%	97.3° (2013)	44.8° (1986)
9	79.9°	62.6°	18%	96.1° (2013)	44.4° (2008)
10	79.9°	62.2°	23%	93.7° (2013)	48° (1962)
11	79.9°	62.4°	23%	94.6° (2000)	48.6° (1968)
12	79.7°	62.8°	28%	91.9° (1991)	47.3° (1975)
13	78.3°	61.5°	33%	91.2° (2025)	40.8° (2014)
14	76.3°	61.2°	28%	89.4° (1971)	43.3° (1974)
15	75.7°	60.3°	38%	90.5° (2017)	40.8° (1993)
16	75.9°	59.7°	30%	91.2° (1978)	44.4° (1961)
17	77.2°	60.4°	35%	89.8° (1983)	45.7° (1980)
18	77.5°	61.2°	37%	90.9° (2022)	42.1° (1981)
19	77.4°	61.2°	27%	92.5° (2022)	38.8° (1991)
20	76.6°	59.7°	25%	94.3° (2022)	42.6° (1991)
21	74.8°	58.6°	38%	89.4° (2016)	42.4° (1999)
22	73.4°	57.2°	28%	87.8° (2017)	35.8° (1995)
23	71.8°	56.3°	35%	86.5° (2017)	39.2° (1983)
24	73.2°	56.7°	28%	87.4° (2007)	38.3° (1965)
25	74.5°	56.5°	35%	86.7° (1998)	41.5° (1989)
26	73.8°	55.6°	18%	88.5° (2021)	40.1° (1984)
27	74.1°	56.1°	13%	88.9° (2021)	42.3° (1994)
28	73°	55.8°	25%	88.9° (2021)	39° (1967)
29	73.9°	55.2°	15%	90.5° (2023)	35.1° (1984)
30	74.5°	56.5°	18%	90.5° (2023)	35.1° (1984)