As of 00:17 MDT

Sundance, WY weather in September

50°

Sundance, Wednesday, 7 October, 00:17

Partly cloudy. Feels like 47°. High 73°, low 44°.

Pressure30.09 inHg

Wind2.6 mph SW

Humidity44%

Visibility6.2 mi

Dew point29°

See detailed hourly forecast

In September, Sundance, WY averages a high of 69.9° and a low of 48.8°. About 1.7 inches of precipitation fall over the month (7 wet days). The record high is 95° (1960) and the record low 12.7° (1985). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	76.5°	55°	20%	91.9° (1983)	40.8° (1974)
2	76.6°	55.8°	20%	91.4° (1960)	36.3° (1974)
3	77.2°	54.7°	18%	91.2° (2007)	38.5° (1974)
4	76.1°	54.3°	20%	95° (1960)	36.7° (1962)
5	76.3°	54.5°	22%	92.3° (1978)	34.9° (1968)
6	75.7°	53.1°	23%	93.7° (1978)	37.8° (2025)
7	74.3°	52.9°	18%	91.6° (2022)	34.2° (2020)
8	73.2°	52°	25%	90° (1979)	25.3° (2020)
9	72.9°	51.3°	22%	90.3° (1994)	19° (2020)
10	73.6°	51.3°	18%	88.7° (1998)	23.4° (2020)
11	71.2°	51.1°	23%	84.9° (2025)	27.5° (1989)
12	69.4°	49.8°	33%	88.9° (2004)	20.3° (2014)
13	67.8°	48.2°	28%	86.2° (1963)	31.3° (1970)
14	69.3°	48.2°	27%	85.8° (2006)	27.3° (1993)
15	69.4°	48.7°	25%	86.7° (2000)	27° (1970)
16	70°	48.4°	15%	88.7° (2000)	26.2° (1965)
17	69.6°	48.2°	28%	87.1° (2000)	22.6° (1965)
18	68.5°	47.8°	25%	87.6° (2004)	25° (1965)
19	67.5°	46.8°	28%	82.9° (1969)	17.2° (1965)
20	65.3°	45.5°	23%	83.3° (1960)	19.4° (1965)
21	63.3°	43.3°	28%	81.3° (2013)	19.6° (1995)
22	64.4°	43.9°	17%	84.4° (2007)	26.1° (1995)
23	65.1°	44.8°	28%	83.7° (1992)	20.8° (1965)
24	65.7°	44.2°	20%	82.4° (1992)	25.9° (1984)
25	67.1°	44.8°	25%	86.4° (2014)	23.4° (1984)
26	67.1°	45.7°	12%	87.8° (2014)	25.9° (1972)
27	65.3°	44.8°	18%	84.6° (1963)	24.8° (1984)
28	65.5°	45°	18%	85.1° (2024)	22.3° (1984)
29	65.8°	45.1°	17%	86° (2024)	17.6° (1985)
30	66°	45.3°	15%	83.7° (1963)	12.7° (1985)