Boston
Massachusetts, United States · now 8°, light drizzle
September 1991
- Average
- 21° / 13°
- Warmest
- Sep 17, 31°
- Coldest
- Sep 30, 4°
- Rain
- 171.5 mm
- Wet days
- 9 days (≥ 1 mm)
- Against normal
- 1° cooler than normal
- Sun 113°19°−4°
- Mon 211°22°−2°
- Tue 314°26°+2°
- Wed 40.8 mm17°29°+5°
- Thu 525.8 mm15°21°−3°
- Fri 60.7 mm14°20°−4°
- Sat 714°24°+1°
- Sun 816°26°+2°
- Mon 915°24°±0°
- Tue 1017°28°+4°
- Wed 1113°22°−2°
- Thu 1211°21°−3°
- Fri 1310°21°−2°
- Sat 142.5 mm14°18°−4°
- Sun 1513.1 mm15°20°−1°
- Mon 163.2 mm20°29°+9°
- Tue 170.6 mm22°31°+10°
- Wed 180.7 mm18°24°+4°
- Thu 1915.1 mm14°26°+5°
- Fri 2016.3 mm10°16°−5°
- Sat 218°14°−7°
- Sun 227°18°−3°
- Mon 233.0 mm11°21°±0°
- Tue 240.4 mm14°21°±0°
- Wed 2537.7 mm14°21°±0°
- Thu 2651.6 mm12°16°−5°
- Fri 279°17°−3°
- Sat 287°15°−5°
- Sun 296°19°−1°
- Mon 304°13°−7°
18 September in past years, 1982–1991
- 1991 Wed0.7 mm18°24°
- 1990 Tue7°13°
- 1989 Mon15°20°
- 1988 Sun1.2 mm15°24°
- 1987 Fri11.2 mm14°16°
- 1986 Thu8°20°
- 1985 Wed12°24°
- 1984 Tue8°20°
- 1983 Sun14°23°
- 1982 Sat10°24°
· Weather data by ECMWF (CC BY 4.0) via Open-Meteo · Historical weather: ERA5, Copernicus Climate Change Service, via Open-Meteo