As of 18:36 MDT

Cheyenne, WY weather in September

92°

Cheyenne, Saturday, 8 August, 18:36

Overcast. Feels like 87°. High 93°, low 61°.

Pressure29.74 inHg

Wind20 mph NW

Humidity14%

Visibility6.2 mi

Dew point36°

See detailed hourly forecast

In September, Cheyenne, WY averages a high of 71.8° and a low of 48.4°. About 1.5 inches of precipitation fall over the month (6 wet days). The record high is 93° (2022) and the record low 9.9° (1985). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	77.7°	54.1°	22%	91.4° (1995)	41.7° (1965)
2	77.9°	54°	25%	92.3° (2019)	38.5° (1974)
3	78.1°	54°	18%	89.8° (2017)	36.9° (1961)
4	77.4°	52.9°	20%	93° (2022)	39.4° (1961)
5	77.5°	52.9°	18%	92.7° (2022)	39° (1968)
6	76.8°	52.9°	18%	91.8° (2020)	42.3° (1968)
7	75.9°	52.3°	22%	93° (2022)	41.5° (1986)
8	75°	51.3°	23%	93° (2022)	27.7° (2020)
9	74.1°	51.1°	20%	89.1° (2021)	25.3° (2020)
10	74.3°	51.4°	32%	90.7° (2021)	21.4° (2020)
11	72.9°	50.7°	30%	88.3° (2021)	34.3° (1989)
12	70.9°	49.8°	28%	86.4° (2018)	29.7° (2014)
13	70.5°	47.8°	20%	86.2° (1990)	30° (1989)
14	70.9°	48°	30%	86.2° (2018)	23.2° (1993)
15	71.2°	48.2°	23%	85.3° (2000)	32.2° (1993)
16	71.6°	48.4°	17%	87.4° (2000)	25.7° (1965)
17	71.1°	47.7°	30%	88.2° (2000)	24.4° (1965)
18	71.1°	46.9°	18%	83.3° (2021)	23.5° (1971)
19	70.5°	46.9°	17%	85.1° (2010)	12.2° (1971)
20	68.9°	46.4°	22%	84° (2010)	26.8° (1983)
21	67.1°	44.8°	20%	81.1° (2005)	27.3° (1995)
22	66.6°	43.5°	25%	81.5° (1966)	23.7° (1995)
23	67.3°	44.8°	22%	81.5° (1992)	24.6° (1971)
24	68.4°	44.6°	28%	84.2° (2020)	15.3° (1965)
25	68.5°	43.9°	15%	81.7° (2020)	21° (2000)
26	70.5°	44.8°	13%	86.4° (2024)	22.5° (2000)
27	68.5°	45°	20%	82.9° (2015)	26.8° (1996)
28	67.1°	43.9°	18%	87.4° (2010)	22.5° (1985)
29	68.7°	44.8°	17%	87.1° (2024)	14.5° (1984)
30	67.8°	44.2°	17%	82.4° (1980)	9.9° (1985)