As of 10:01 CDT

Lake City, IA weather in September

78°

Lake City, Sunday, 9 August, 10:01

Clear. Feels like 79°. High 93°, low 69°.

Pressure29.83 inHg

Wind8 mph SW

Humidity73%

Visibility6.2 mi

Dew point68°

See detailed hourly forecast

In September, Lake City, IA averages a high of 73.9° and a low of 56.4°. About 3.2 inches of precipitation fall over the month (8 wet days). The record high is 96.4° (2013) and the record low 31.8° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	79°	61.7°	25%	91.4° (1984)	45.7° (1967)
2	79.3°	61.9°	38%	94.5° (2023)	50° (1974)
3	78.4°	61.9°	23%	93.9° (2023)	39.6° (1974)
4	78.4°	61.2°	30%	95° (2012)	44.4° (1974)
5	78.3°	60.8°	28%	90.9° (1960)	40.6° (1962)
6	78.8°	60.3°	17%	93.6° (2020)	44.8° (2025)
7	77.5°	60.3°	28%	91.9° (1978)	42.8° (1986)
8	76.3°	58.8°	30%	93.2° (1983)	41.4° (1986)
9	76.3°	58.8°	20%	96.4° (2013)	44.4° (2008)
10	76.1°	58.3°	27%	90.1° (2013)	45.1° (2020)
11	76.6°	58.6°	23%	92.7° (2012)	43.9° (1968)
12	75.6°	57.7°	38%	88.7° (1980)	40.6° (2007)
13	74.3°	57.6°	33%	91.9° (2025)	35.8° (2014)
14	72.7°	56.3°	17%	90.3° (2017)	40.8° (1996)
15	72.7°	55.9°	25%	90.7° (2017)	36.5° (2007)
16	73.2°	55.9°	27%	89.1° (2025)	40.1° (2014)
17	73.6°	56.1°	30%	88.2° (2019)	40.5° (1980)
18	73.8°	56.8°	35%	89.4° (2000)	39.2° (1973)
19	73.9°	57°	33%	87.8° (1972)	34.9° (1991)
20	72.7°	55.2°	22%	91.4° (2022)	36.9° (1991)
21	71.1°	54.5°	25%	87.8° (2005)	36.1° (1999)
22	69.3°	52.2°	30%	88.3° (2017)	32° (1995)
23	68.5°	51.1°	27%	87.4° (2017)	31.8° (1983)
24	70°	52.5°	33%	86.9° (2017)	35.4° (1965)
25	70.3°	52.5°	33%	86.9° (2020)	37.6° (2001)
26	70.7°	51.8°	25%	87.8° (1998)	33.1° (1984)
27	70.3°	52.3°	13%	85.8° (2021)	37.9° (1993)
28	68.7°	50.5°	27%	86.5° (2021)	33.3° (1967)
29	70.2°	51.1°	27%	88.9° (2025)	33.1° (1984)
30	71.8°	52.7°	22%	89.8° (2023)	33.6° (1972)