Boston
Massachusetts, United States · now 4°, heavy drizzle
September 1964
- Average
- 21° / 12°
- Warmest
- Sep 11, 30°
- Coldest
- Sep 16, 7°
- Rain
- 49.1 mm
- Wet days
- 8 days (≥ 1 mm)
- Against normal
- 1° cooler than normal
- Tue 11.4 mm16°25°±0°
- Wed 213°22°−3°
- Thu 313°24°−1°
- Fri 41.3 mm15°24°−1°
- Sat 518°28°+4°
- Sun 615°25°±0°
- Mon 714°23°−2°
- Tue 814°28°+4°
- Wed 92.1 mm17°24°+1°
- Thu 101.6 mm16°23°±0°
- Fri 110.7 mm18°30°+7°
- Sat 120.8 mm14°18°−5°
- Sun 1312°15°−7°
- Mon 146.4 mm10°14°−7°
- Tue 159°19°−2°
- Wed 167°18°−3°
- Thu 170.4 mm10°21°+1°
- Fri 1811°25°+5°
- Sat 198°15°−5°
- Sun 208°17°−3°
- Mon 2110°18°−2°
- Tue 220.4 mm11°19°−1°
- Wed 233.5 mm14°20°±0°
- Thu 2415°26°+7°
- Fri 250.7 mm11°21°+1°
- Sat 269°21°+1°
- Sun 270.5 mm12°22°+2°
- Mon 280.8 mm11°18°−2°
- Tue 2920.6 mm11°12°−8°
- Wed 307.9 mm10°17°−2°
20 September in past years, 1955–1964
- 1964 Sun8°17°
- 1963 Fri25.3 mm12°20°
- 1962 Thu1.2 mm9°17°
- 1961 Wed0.4 mm13°22°
- 1960 Tue29.2 mm13°16°
- 1959 Sun7°20°
- 1958 Sat11°19°
- 1957 Fri13°27°
- 1956 Thu9.5 mm9°16°
- 1955 Tue9.2 mm17°23°
· Weather data by ECMWF (CC BY 4.0) via Open-Meteo · Historical weather: ERA5, Copernicus Climate Change Service, via Open-Meteo