Boston
Massachusetts, United States · now 8°, clear
September 2021
- Average
- 23° / 15°
- Warmest
- Sep 15, 29°
- Coldest
- Sep 30, 10°
- Rain
- 195.1 mm
- Wet days
- 14 days (≥ 1 mm)
- Against normal
- About normal
- Wed 125.4 mm17°21°−4°
- Thu 289.7 mm15°23°−3°
- Fri 30.1 mm13°22°−4°
- Sat 415°25°−1°
- Sun 50.5 mm15°22°−3°
- Mon 618°27°+1°
- Tue 715°25°±0°
- Wed 80.1 mm16°28°+3°
- Thu 925.3 mm20°24°−1°
- Fri 106.1 mm15°23°−1°
- Sat 1112°24°±0°
- Sun 1217°27°+3°
- Mon 134.4 mm17°26°+2°
- Tue 140.6 mm15°22°−2°
- Wed 152.2 mm18°29°+6°
- Thu 164.0 mm17°21°−2°
- Fri 170.3 mm17°21°−2°
- Sat 181.4 mm18°25°+3°
- Sun 192.3 mm14°22°−1°
- Mon 2012°21°−1°
- Tue 210.2 mm13°22°±0°
- Wed 220.2 mm19°24°+2°
- Thu 230.6 mm20°27°+4°
- Fri 243.1 mm19°24°+1°
- Sat 252.1 mm16°22°−1°
- Sun 266.9 mm14°22°±0°
- Mon 2712°24°+2°
- Tue 2818.1 mm13°21°±0°
- Wed 2910°18°−4°
- Thu 301.5 mm10°16°−5°
17 September in past years, 2012–2021
- 2021 Fri0.3 mm17°21°
- 2020 Thu15°26°
- 2019 Tue12°20°
- 2018 Mon18°28°
- 2017 Sun19°24°
- 2016 Sat12°25°
- 2015 Thu17°30°
- 2014 Wed11°21°
- 2013 Tue8°16°
- 2012 Mon10°24°
· Weather data by ECMWF (CC BY 4.0) via Open-Meteo · Historical weather: ERA5, Copernicus Climate Change Service, via Open-Meteo