As of 16:04 EDT

Plymouth, IN weather in September

83°

Plymouth, Sunday, 9 August, 16:04

Heavy rain. Feels like 89°. High 84°, low 62°.

Pressure29.88 inHg

Wind2 mph SW

Humidity71%

Visibility6.2 mi

Dew point72°

See detailed hourly forecast

In September, Plymouth, IN averages a high of 74.1° and a low of 57.5°. About 3.1 inches of precipitation fall over the month (9 wet days). The record high is 94.1° (2011) and the record low 34.7° (1993). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	78.6°	61.9°	30%	94.1° (2011)	47.5° (1967)
2	79.2°	62.4°	25%	93.7° (2011)	47.8° (1965)
3	78.8°	62.2°	28%	92.3° (2011)	46.4° (1974)
4	78.1°	61.2°	25%	90° (1960)	47.8° (1997)
5	78.1°	61°	27%	90.5° (2007)	48° (1974)
6	77.7°	61°	28%	90.7° (1998)	46.6° (1962)
7	77.9°	60.6°	35%	90.5° (2002)	45.7° (1962)
8	76.3°	60.3°	35%	92.1° (1978)	44.6° (2024)
9	76.5°	59.5°	38%	90.5° (2002)	46.8° (1986)
10	76.5°	59.4°	17%	92.7° (2013)	46.2° (1969)
11	76.3°	59.2°	23%	91.8° (2013)	45.7° (1993)
12	75.9°	59°	30%	89.1° (2005)	48.9° (1964)
13	75.7°	59.4°	37%	91.6° (2005)	44.6° (1964)
14	74.7°	57.9°	35%	89.1° (1991)	41.7° (1975)
15	73.2°	57.2°	25%	89.8° (1991)	46.2° (2011)
16	73°	57°	33%	85.8° (1994)	43.2° (1966)
17	74.1°	57.4°	23%	86.4° (2021)	45° (2014)
18	74.5°	57°	28%	87.8° (1983)	43.7° (1984)
19	74.3°	57.6°	33%	88.7° (2021)	43° (2020)
20	74.1°	57.4°	40%	88.9° (2018)	42.6° (1962)
21	72.5°	56.8°	30%	88° (2010)	40.3° (1962)
22	70.7°	55.8°	35%	87.3° (2017)	41.2° (1983)
23	69.8°	53.2°	33%	87.6° (2017)	35.8° (1995)
24	69.6°	53.1°	28%	89.8° (2007)	38.5° (1989)
25	70°	53.6°	38%	84.9° (2017)	40.3° (1991)
26	70.5°	54.1°	35%	87.4° (1998)	39.6° (2000)
27	70.2°	53.8°	33%	85.1° (1999)	40.3° (1989)
28	68.4°	53.1°	25%	84.2° (2025)	39° (1984)
29	68.7°	51.4°	30%	85.8° (2025)	38.5° (1970)
30	69.3°	52.2°	15%	84.9° (2019)	34.7° (1993)