Boston
Massachusetts, United States · now 10°, light drizzle
September 1999
- Average
- 23° / 15°
- Warmest
- Sep 3, 31°
- Coldest
- Sep 19, 10°
- Rain
- 157.9 mm
- Wet days
- 8 days (≥ 1 mm)
- Against normal
- 2° warmer than normal
- Wed 113°26°+2°
- Thu 215°29°+5°
- Fri 315°31°+7°
- Sat 418°29°+5°
- Sun 519°25°+1°
- Mon 61.0 mm19°26°+3°
- Tue 70.9 mm22°28°+5°
- Wed 82.3 mm22°24°+1°
- Thu 90.5 mm22°28°+4°
- Fri 1051.7 mm21°23°−1°
- Sat 118.8 mm17°25°+2°
- Sun 1215°24°+1°
- Mon 1315°23°±0°
- Tue 1416°23°±0°
- Wed 157.7 mm18°23°±0°
- Thu 1668.4 mm17°22°±0°
- Fri 172.9 mm13°20°−2°
- Sat 1812°21°−1°
- Sun 1910°21°−1°
- Mon 2011°21°+1°
- Tue 210.1 mm14°22°+1°
- Wed 220.7 mm11°18°−2°
- Thu 230.2 mm11°20°+1°
- Fri 2414°23°+4°
- Sat 250.6 mm12°21°+2°
- Sun 2610°18°−1°
- Mon 2710°21°+3°
- Tue 2813°23°+4°
- Wed 2916°22°+3°
- Thu 3012.1 mm12°20°+1°
23 September in past years, 1990–1999
- 1999 Thu0.2 mm11°20°
- 1998 Wed1.4 mm9°16°
- 1997 Tue0.7 mm11°17°
- 1996 Mon4.0 mm10°16°
- 1995 Sat0.6 mm10°19°
- 1994 Fri70.1 mm14°18°
- 1993 Thu3.5 mm12°21°
- 1992 Wed7.4 mm10°22°
- 1991 Mon3.0 mm11°21°
- 1990 Sun7.4 mm12°20°
· Weather data by ECMWF (CC BY 4.0) via Open-Meteo · Historical weather: ERA5, Copernicus Climate Change Service, via Open-Meteo