As of 14:33 MDT

New Underwood, SD weather in September

92°

New Underwood, Sunday, 9 August, 14:33

Mostly clear. Feels like 91°. High 92°, low 65°.

Pressure29.74 inHg

Wind13 mph SE

Humidity31%

Visibility6.2 mi

Dew point57°

See detailed hourly forecast

In September, New Underwood, SD averages a high of 75.3° and a low of 52.9°. About 1.3 inches of precipitation fall over the month (5 wet days). The record high is 101.8° (1960) and the record low 25° (1984). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81.5°	59.2°	18%	99.1° (2012)	44.2° (1965)
2	82.2°	59.7°	22%	99.7° (1960)	43.2° (1974)
3	82.2°	58.6°	12%	97.7° (2007)	41° (1974)
4	81.7°	58.5°	20%	101.8° (1960)	41.4° (1968)
5	81.5°	58.6°	17%	99.3° (1978)	41.2° (1968)
6	80.8°	57.2°	17%	99.1° (1978)	42.4° (2025)
7	79.5°	56.7°	18%	95.7° (1978)	41° (1986)
8	79°	55.9°	8%	94.8° (1979)	38.7° (2020)
9	78.3°	55.6°	13%	98.1° (1979)	30.7° (2020)
10	78.4°	55°	17%	96.8° (1998)	35.6° (2020)
11	76.6°	55.4°	17%	92.1° (1962)	33.1° (1989)
12	75.2°	54.7°	30%	96.1° (2004)	30° (2014)
13	73.4°	52.3°	25%	89.8° (2015)	34.3° (1970)
14	73.4°	52.2°	25%	91.8° (2006)	31.6° (1993)
15	74.7°	52.7°	28%	90.9° (2015)	38.1° (2014)
16	75°	52.2°	13%	93.6° (2007)	33.8° (1965)
17	74.8°	52.5°	20%	95° (2000)	31.5° (1965)
18	73.8°	51.6°	22%	93.7° (1998)	34.3° (1971)
19	73°	51.4°	23%	91.2° (1972)	32.7° (1991)
20	71.6°	49.8°	12%	89.4° (1960)	31.8° (1965)
21	69.3°	48.7°	23%	88° (2013)	28.9° (1995)
22	69.4°	48.2°	18%	93.6° (2007)	28.4° (1995)
23	70.3°	48°	27%	91.2° (1992)	28.8° (1965)
24	71.6°	48.2°	13%	91.9° (1992)	30.9° (1965)
25	72.5°	48.6°	18%	90.3° (2014)	27.9° (1984)
26	73.8°	49.1°	8%	94.1° (2024)	30.4° (1965)
27	70.7°	49.1°	12%	86° (1983)	33.4° (1967)
28	71.2°	48.4°	15%	88° (1969)	27.1° (1984)
29	71.1°	48.9°	13%	93.6° (2024)	25° (1984)
30	72.1°	48.7°	10%	91° (1989)	27° (1985)