As of 01:40 MDT

Meridian, ID weather in September

71°

Meridian, Sunday, 9 August, 01:40

Partly cloudy. Feels like 70°. High 96°, low 58°.

Pressure29.85 inHg

Wind2 mph NW

Humidity42%

Visibility6.2 mi

Dew point47°

See detailed hourly forecast

In September, Meridian, ID averages a high of 78.5° and a low of 53.5°. About 0.6 inches of precipitation fall over the month (3 wet days). The record high is 104° (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	85.1°	57.9°	2%	99.9° (2025)	46° (1965)
2	84.6°	58.1°	2%	100.9° (2022)	42.4° (1964)
3	84.6°	58.1°	3%	99.7° (2017)	43.7° (1964)
4	85.1°	57.6°	7%	100.2° (2020)	45° (1980)
5	84.4°	58.3°	13%	101.8° (2020)	48.2° (1996)
6	83.3°	57.4°	7%	102.6° (2022)	43.2° (1996)
7	83.1°	57°	7%	104° (2022)	45.3° (2000)
8	82.2°	57°	17%	98.4° (2024)	45.3° (1976)
9	81.1°	56.1°	10%	97.3° (2021)	43.5° (1976)
10	80.6°	55.2°	7%	93° (1990)	43.3° (1964)
11	79.5°	55.2°	10%	93.6° (1990)	44.2° (2005)
12	78.4°	54.1°	8%	93.2° (2017)	41.7° (1970)
13	79°	54°	7%	96.6° (2020)	40.3° (1970)
14	78.8°	54°	10%	97.7° (2000)	37.8° (1970)
15	78.1°	53.6°	10%	93.2° (2020)	41° (1970)
16	77.2°	52.9°	5%	93.4° (2020)	39° (1970)
17	77.4°	53.2°	13%	95.9° (2020)	34.9° (1965)
18	76.6°	53.1°	10%	94.1° (1981)	32.2° (1965)
19	74.5°	52°	15%	91.2° (2008)	37.2° (1965)
20	73.6°	50.7°	15%	88.9° (2025)	36.5° (1983)
21	73.2°	50.2°	5%	91.4° (1967)	38.8° (1983)
22	74.7°	48.9°	8%	94.8° (1966)	38.3° (1970)
23	75.4°	50.4°	3%	93.2° (2001)	37.6° (1977)
24	75.6°	50.7°	12%	93.4° (2011)	36.7° (2000)
25	76.1°	50.2°	7%	93.2° (2024)	32.5° (1984)
26	75°	50.4°	12%	90° (1978)	35.8° (1970)
27	74.8°	50°	8%	94.8° (2022)	37.6° (1961)
28	75°	49.8°	8%	91.4° (2024)	34.5° (1999)
29	75°	49.6°	12%	92.3° (1963)	33.8° (1985)
30	73.9°	49.6°	17%	91.9° (1992)	34° (1985)