As of 01:52 MDT

Grand Junction, CO weather in September

75°

Grand Junction, Sunday, 9 August, 01:52

Overcast. Feels like 73°. High 100°, low 69°.

Pressure29.94 inHg

Wind4 mph E

Humidity29%

Visibility6.2 mi

Dew point40°

See detailed hourly forecast

In September, Grand Junction, CO averages a high of 79.4° and a low of 52.8°. About 2.5 inches of precipitation fall over the month (9 wet days). The record high is 102.2° (2022) and the record low 32.2° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	85.6°	58.1°	35%	98.4° (2019)	46.2° (1965)
2	85.6°	57.7°	17%	98.4° (2019)	47.1° (1961)
3	85.6°	57.7°	27%	97.5° (2022)	42.1° (1961)
4	85.5°	56.8°	32%	97.9° (2017)	39.9° (1961)
5	84.9°	57.4°	32%	102.2° (2022)	42.8° (1961)
6	84.2°	57.2°	33%	102.2° (2022)	45.7° (1961)
7	83.7°	57.2°	35%	100.2° (2022)	48° (1961)
8	81.9°	56.3°	37%	98.8° (2022)	39.4° (2020)
9	81.9°	55.4°	30%	96.1° (2021)	40.3° (2020)
10	80.8°	55.8°	47%	95.5° (2021)	42.8° (1962)
11	79.5°	54.9°	45%	93.6° (2018)	42.3° (2020)
12	78.4°	54.1°	40%	92.8° (1990)	43.9° (2020)
13	78.4°	52.5°	40%	93.9° (1990)	43.5° (1989)
14	78.4°	52°	43%	94.3° (1990)	40.1° (1982)
15	77.9°	52.2°	32%	94.1° (2018)	44.1° (1993)
16	78.8°	52.2°	28%	93.4° (2018)	44.2° (1991)
17	78.6°	51.8°	23%	91.2° (2018)	39.7° (1965)
18	77.7°	51.3°	30%	93.7° (2018)	37.9° (1971)
19	77.7°	50.9°	25%	91.9° (2010)	37.6° (1988)
20	77°	50.4°	30%	87.6° (2014)	36.7° (1971)
21	75.6°	50.5°	27%	88.3° (2020)	32.2° (1965)
22	75.4°	49.3°	30%	86.9° (1966)	37° (2004)
23	75.6°	49.6°	23%	87.1° (1966)	37.8° (1961)
24	75.9°	49.5°	18%	89.1° (2020)	34.2° (2000)
25	76.1°	48.7°	13%	90.7° (2020)	35.8° (1961)
26	76.5°	49.6°	20%	88.9° (2024)	36.9° (1970)
27	77°	49.5°	13%	91.8° (2024)	37.6° (1996)
28	75.9°	49.1°	22%	89.8° (2024)	37.4° (1996)
29	75.7°	48.9°	32%	90.9° (2024)	34.5° (1999)
30	75.2°	48.7°	22%	91° (2024)	35.1° (1985)