As of 03:42 MDT

Lima, MT weather in September

41°

Lima, Wednesday, 7 October, 03:42

Clear. Feels like 41°. High 74°, low 40°.

Pressure30.15 inHg

Wind0.3 mph E

Humidity57%

Visibility6.2 mi

Dew point28°

See detailed hourly forecast

In September, Lima, MT averages a high of 65.8° and a low of 43.4°. About 1.7 inches of precipitation fall over the month (7 wet days). The record high is 88.9° (2020) and the record low 10.6° (2019). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	72.3°	47.8°	20%	84.2° (2022)	35.4° (1977)
2	72.7°	48.6°	22%	87.1° (2017)	32.7° (1961)
3	72.9°	48.4°	12%	87.8° (2022)	33.6° (1961)
4	72.3°	49.1°	17%	86.4° (2022)	31.1° (1971)
5	71.4°	48.6°	28%	88.9° (2020)	36.5° (2014)
6	70.3°	47.7°	27%	87.3° (2022)	31.6° (2010)
7	70.3°	46.8°	18%	88.9° (2022)	30.6° (1992)
8	69.3°	46.4°	23%	84.2° (2021)	27.9° (1962)
9	69.1°	45.7°	20%	85.1° (2021)	29.3° (1970)
10	68.7°	45.3°	35%	79.5° (2021)	32.5° (1989)
11	66.6°	45.3°	23%	80.6° (2017)	32.9° (2010)
12	65.1°	43.7°	28%	81.7° (2017)	27.3° (1970)
13	66°	43°	23%	80.4° (2015)	24.6° (1970)
14	65.7°	43°	30%	81.5° (1990)	23° (1970)
15	65.8°	43.2°	28%	81.5° (2000)	22.6° (1982)
16	65.1°	43.3°	25%	79.3° (2000)	19° (1965)
17	64.2°	42.3°	33%	81° (1981)	18.3° (1965)
18	63.7°	42.1°	32%	81.1° (1981)	19.9° (1965)
19	62.2°	41.4°	33%	75.7° (1979)	19.4° (1978)
20	60.4°	39.6°	28%	75.9° (2012)	12.7° (1978)
21	60.1°	38.5°	28%	77.4° (1966)	19.8° (1978)
22	61.2°	39.6°	27%	78.4° (1987)	24.4° (1968)
23	62.1°	40.5°	20%	79.3° (1987)	18.5° (2000)
24	62.8°	40.8°	23%	79° (2001)	20.7° (1984)
25	63.1°	40.6°	17%	77.5° (2001)	22.5° (2017)
26	62.8°	40.6°	20%	77.5° (2009)	23.4° (1972)
27	62.6°	40.5°	23%	77.5° (1994)	25.3° (1999)
28	63°	40.5°	18%	77.9° (2010)	20.7° (1985)
29	62.4°	40.3°	22%	78.8° (2024)	19.2° (1985)
30	60.6°	39.9°	28%	75.9° (2011)	10.6° (2019)