Arlington, Sunday, 9 August, 01:24
Overcast. Feels like 77°. High 88°, low 73°.
In September, Arlington, VA averages a high of 77.8° and a low of 61.7°. About 4.1 inches of precipitation fall over the month (9 wet days). The record high is 98.4° (2023) and the record low 41.5° (1963). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 81.9° | 65.5° | 30% | 95.5° (1973) | 55.9° (1967) |
| 2 | 82.2° | 65.3° | 40% | 95.9° (1980) | 54.3° (1967) |
| 3 | 82.8° | 65.7° | 30% | 97° (2023) | 51.3° (1967) |
| 4 | 82.2° | 66° | 33% | 97° (2023) | 54.3° (1997) |
| 5 | 81.5° | 65.3° | 30% | 98.4° (2023) | 52.2° (1997) |
| 6 | 81.1° | 64.9° | 30% | 97.7° (2023) | 54° (2000) |
| 7 | 81.5° | 64° | 25% | 93.6° (1998) | 51.3° (1988) |
| 8 | 80.6° | 63.9° | 23% | 93.9° (1985) | 52° (2024) |
| 9 | 80.2° | 63.7° | 28% | 94.8° (1985) | 51.4° (2024) |
| 10 | 80.1° | 63.7° | 32% | 94.8° (1983) | 51.6° (2017) |
| 11 | 79.7° | 62.6° | 27% | 96.4° (1983) | 51.6° (1967) |
| 12 | 79.3° | 62.6° | 27% | 95.4° (2019) | 48.2° (1967) |
| 13 | 79.7° | 62.4° | 32% | 90° (2021) | 51.1° (1967) |
| 14 | 79.3° | 62.8° | 28% | 91.9° (2016) | 46.8° (1975) |
| 15 | 77.9° | 61.9° | 28% | 92.3° (1970) | 48.4° (1975) |
| 16 | 77° | 60.6° | 27% | 93.9° (1970) | 48.4° (2011) |
| 17 | 76.6° | 61.5° | 38% | 95° (1991) | 47.5° (2000) |
| 18 | 77.4° | 61° | 33% | 91.2° (1978) | 43.7° (1990) |
| 19 | 76.3° | 60.3° | 22% | 89.8° (1983) | 48.6° (1984) |
| 20 | 76.6° | 59.9° | 22% | 90.5° (2005) | 46.8° (2020) |
| 21 | 77° | 60.6° | 30% | 88.9° (1998) | 44.4° (1962) |
| 22 | 75.9° | 60.4° | 40% | 93° (2010) | 45.5° (2020) |
| 23 | 74.8° | 58.8° | 32% | 93.2° (1970) | 44.6° (1983) |
| 24 | 73.6° | 57.9° | 28% | 94.5° (2010) | 41.5° (1963) |
| 25 | 73.4° | 58.3° | 33% | 91.4° (1970) | 44.4° (1983) |
| 26 | 74.3° | 59.4° | 45% | 90.9° (2019) | 45.1° (2001) |
| 27 | 75° | 59.2° | 43% | 91.6° (1998) | 45.5° (2000) |
| 28 | 73.4° | 58.8° | 40% | 87.8° (2019) | 45.1° (1991) |
| 29 | 71.2° | 57° | 27% | 86.5° (2019) | 46.9° (1981) |
| 30 | 70.7° | 55.9° | 30% | 89.8° (1986) | 43.9° (1992) |