Sterling-Dulles Airport, VA: September
: September 2026 averaged 71.5°F in Sterling-Dulles Airport, VA, the warmest September since 2019, 6th warmest of 65.
September 2026
- Mean temperature
- 71.5°F
- Warmest since 2019
- 6th warmest of 65
- Precipitation
- 3.80 in
- Wettest since 2023
- 22nd wettest of 65
A normal September in Sterling-Dulles Airport, VA (1991 to 2020): a mean temperature of 68.3°F, between 65.6°F and 72.4°F in eight years of ten and 3.21 in of precipitation, between 1.22 in and 7.40 in in eight years of ten.
- Normal range, 65.6 to 72.4°F
Every year, ranked, as a table
Every September in Sterling-Dulles Airport, VA from 1962 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.
| Year | Mean, °F | Rank | High, °F | Rank | Low, °F | Rank | Precipitation, in | Rank | Days missing |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | 71.5 | 6 | 80.1 | 23 | 62.9 | 3 | 3.80 | 22 | 0 |
| 2025 | 70.2 | 13 | 81.4 | 13 | 59 | 15 | 1.22 | 58 | 0 |
| 2024 | 68.9 | 23 | 78.1 | 41 | 59.7 | 10 | 3.27 | 30 | 0 |
| 2023 | 71.4 | 7 | 82.1 | 9 | 60.6 | 5 | 6.65 | 12 | 0 |
| 2022 | 69.4 | 18 | 80.2 | 22 | 58.5 | 21 | 3.28 | 29 | 0 |
| 2021 | 70 | 14 | 80.8 | 17 | 59.1 | 14 | 4.72 | 17 | 0 |
| 2020 | 67.2 | 37 | 77.3 | 46 | 57.1 | 32 | 2.29 | 44 | 0 |
| 2019 | 72.5 | 3 | 84.3 | 4 | 60.6 | 5 | 0.41 | 64 | 0 |
| 2018 | 72.4 | 4 | 79.4 | 28 | 65.4 | 1 | 7.36 | 8 | 0 |
| 2017 | 68.5 | 29 | 78.8 | 36 | 58.2 | 23 | 1.75 | 50 | 0 |
| 2016 | 73.1 | 1 | 82.7 | 8 | 63.5 | 2 | 2.55 | 41 | 0 |
| 2015 | 71 | 10 | 82.1 | 9 | 60 | 8 | 2.33 | 43 | 0 |
| 2014 | 67.5 | 35 | 77.3 | 46 | 57.6 | 28 | 0.93 | 61 | 0 |
| 2013 | 66.8 | 44 | 79.4 | 28 | 54.3 | 51 | 1.61 | 52 | 0 |
| 2012 | 68.1 | 31 | 79.8 | 24 | 56.4 | 39 | 2.71 | 39 | 0 |
| 2011 | 69.1 | 20 | 76.8 | 55 | 61.3 | 4 | 7.93 | 5 | 0 |
| 2010 | 71.3 | 8 | 83.8 | 5 | 58.8 | 17 | 6.16 | 13 | 0 |
| 2009 | 68.4 | 30 | 77.9 | 42 | 58.9 | 16 | 1.83 | 48 | 0 |
| 2008 | 69.4 | 18 | 79.4 | 28 | 59.3 | 12 | 7.18 | 10 | 0 |
| 2007 | 71.2 | 9 | 83.8 | 5 | 58.6 | 19 | 1.40 | 55 | 0 |
| 2006 | 65.6 | 54 | 74.6 | 63 | 56.6 | 36 | 7.12 | 11 | 0 |
| 2005 | 71.9 | 5 | 84.5 | 2 | 59.3 | 12 | 0.15 | 65 | 0 |
| 2004 | 68.8 | 25 | 78.8 | 36 | 58.7 | 18 | 5.80 | 14 | 0 |
| 2003 | 67.1 | 38 | 76.3 | 58 | 57.9 | 25 | 7.26 | 9 | 0 |
| 2002 | 69.1 | 20 | 80.7 | 19 | 57.5 | 30 | 2.84 | 37 | 0 |
| 2001 | 65.4 | 55 | 77.3 | 46 | 53.4 | 57 | 3.39 | 27 | 0 |
| 2000 | 65 | 59 | 75.7 | 61 | 54.3 | 51 | 4.20 | 20 | 0 |
| 1999 | 67 | 41 | 77.2 | 49 | 56.8 | 34 | 9.32 | 3 | 0 |
| 1998 | 72.7 | 2 | 85.9 | 1 | 59.4 | 11 | 1.25 | 57 | 0 |
| 1997 | 65.1 | 58 | 76.7 | 56 | 53.5 | 56 | 3.16 | 32 | 0 |
| 1996 | 67.1 | 38 | 76.3 | 58 | 57.9 | 25 | 7.72 | 6 | 0 |
| 1995 | 67.1 | 38 | 78.9 | 34 | 55.3 | 44 | 2.74 | 38 | 0 |
| 1994 | 66.7 | 46 | 78.8 | 36 | 54.6 | 49 | 3.40 | 26 | 0 |
| 1993 | 68.7 | 26 | 79.5 | 26 | 57.9 | 25 | 4.66 | 18 | 0 |
| 1992 | 66 | 53 | 76.3 | 58 | 55.6 | 41 | 5.55 | 15 | 0 |
| 1991 | 67.5 | 35 | 80.3 | 21 | 54.8 | 48 | 3.25 | 31 | 0 |
| 1990 | 66.1 | 51 | 77.8 | 43 | 54.4 | 50 | 1.49 | 53 | 0 |
| 1989 | 68.6 | 28 | 79.6 | 25 | 57.6 | 28 | 3.14 | 33 | 0 |
| 1988 | 66.4 | 49 | 77.4 | 45 | 55.3 | 44 | 1.80 | 49 | 0 |
| 1987 | 68.7 | 26 | 79.4 | 28 | 58 | 24 | 8.11 | 4 | 0 |
| 1986 | 68.1 | 31 | 79 | 32 | 57.3 | 31 | 1.04 | 59 | 0 |
| 1985 | 67.7 | 34 | 82 | 11 | 53.3 | 58 | 2.96 | 35 | 0 |
| 1984 | 62.9 | 65 | 75.7 | 61 | 50.2 | 65 | 1.49 | 53 | 0 |
| 1983 | 66.1 | 51 | 81.5 | 12 | 50.8 | 63 | 2.95 | 36 | 0 |
| 1982 | 66.9 | 42 | 78.8 | 36 | 54.9 | 47 | 4.22 | 19 | 0 |
| 1981 | 66.7 | 46 | 77.8 | 43 | 55.6 | 41 | 2.07 | 47 | 0 |
| 1980 | 70.8 | 11 | 84.5 | 2 | 57 | 33 | 2.70 | 40 | 0 |
| 1979 | 66.9 | 42 | 76.9 | 51 | 56.8 | 34 | 7.58 | 7 | 0 |
| 1978 | 68.9 | 23 | 81.1 | 14 | 56.6 | 36 | 0.78 | 62 | 0 |
| 1977 | 69.8 | 15 | 81.1 | 14 | 58.6 | 19 | 1.74 | 51 | 0 |
| 1976 | 64.8 | 60 | 78.2 | 40 | 51.4 | 62 | 3.75 | 23 | 0 |
| 1975 | 64.4 | 61 | 73.2 | 65 | 55.6 | 41 | 11.26 | 1 | 0 |
| 1974 | 66.3 | 50 | 76.9 | 51 | 55.7 | 40 | 4.02 | 21 | 0 |
| 1973 | 69.6 | 17 | 80.8 | 17 | 58.3 | 22 | 3.14 | 33 | 0 |
| 1972 | 68 | 33 | 79.5 | 26 | 56.5 | 38 | 1.40 | 55 | 0 |
| 1971 | 69.7 | 16 | 78.9 | 34 | 60.5 | 7 | 3.63 | 25 | 0 |
| 1970 | 69.1 | 20 | 82.9 | 7 | 55.3 | 44 | 1.03 | 60 | 0 |
| 1969 | 65.3 | 57 | 77 | 50 | 53.6 | 55 | 4.89 | 16 | 0 |
| 1968 | 66.8 | 44 | 80.4 | 20 | 53.2 | 59 | 2.10 | 46 | 0 |
| 1967 | 63.6 | 63 | 76.5 | 57 | 50.7 | 64 | 0.62 | 63 | 0 |
| 1966 | 63.6 | 63 | 74.1 | 64 | 53.1 | 60 | 9.39 | 2 | 0 |
| 1965 | 70.4 | 12 | 80.9 | 16 | 59.9 | 9 | 2.28 | 45 | 0 |
| 1964 | 66.7 | 46 | 79 | 32 | 54.3 | 51 | 3.72 | 24 | 0 |
| 1963 | 65.4 | 55 | 76.9 | 51 | 53.9 | 54 | 3.30 | 28 | 0 |
| 1962 | 64.3 | 62 | 76.9 | 51 | 51.8 | 61 | 2.45 | 42 | 0 |
Warmest, coldest, wettest and driest
| Year | Mean, °F |
|---|---|
| 2016 | 73.1 |
| 1998 | 72.7 |
| 2019 | 72.5 |
| 2018 | 72.4 |
| 2005 | 71.9 |
| 2026 | 71.5 |
| 2023 | 71.4 |
| 2010 | 71.3 |
| 2007 | 71.2 |
| 2015 | 71 |
| Year | Mean, °F |
|---|---|
| 1984 | 62.9 |
| 1967 | 63.6 |
| 1966 | 63.6 |
| 1962 | 64.3 |
| 1975 | 64.4 |
| 1976 | 64.8 |
| 2000 | 65 |
| 1997 | 65.1 |
| 1969 | 65.3 |
| 2001 | 65.4 |
| More years share the last value | |
| Year | Precipitation, in |
|---|---|
| 1975 | 11.26 |
| 1966 | 9.39 |
| 1999 | 9.32 |
| 1987 | 8.11 |
| 2011 | 7.93 |
| 1996 | 7.72 |
| 1979 | 7.58 |
| 2018 | 7.36 |
| 2003 | 7.26 |
| 2008 | 7.18 |
| Year | Precipitation, in |
|---|---|
| 2005 | 0.15 |
| 2019 | 0.41 |
| 1967 | 0.62 |
| 1978 | 0.78 |
| 2014 | 0.93 |
| 1970 | 1.03 |
| 1986 | 1.04 |
| 2025 | 1.22 |
| 1998 | 1.25 |
| 2007 | 1.40 |
| More years share the last value | |
The hottest, coldest and wettest days
- Hottest day
- 94°F
- Coldest night
- 50°F
- Wettest day
- 1.15 in
Every month, season and year
Months
Seasons
Years
Sterling-Dulles Airport, VA the day's answers
Every answer in words
- September 2026 brought 3.80 in of precipitation in Sterling-Dulles Airport, VA, the wettest September since 2023, 22nd wettest of 65.
- The hottest day of September 2026 in Sterling-Dulles Airport, VA: 94°F on Tuesday 1 September 2026.
- The coldest night of September 2026 in Sterling-Dulles Airport, VA: a low of 50°F on Thursday 24 September 2026.
- The wettest day of September 2026 in Sterling-Dulles Airport, VA: 1.15 in on Tuesday 22 September 2026.