Boston

September 1978

Average

21° / 12°

Warmest

Sep 21, 29°

Coldest

Sep 30, 7°

Rain

33.9 mm

Wet days

7 days (≥ 1 mm)

Against normal

1° cooler than normal

1. Fri 13.2 mm16°24°−1°
2. Sat 214°25°+1°
3. Sun 317°26°+2°
4. Mon 40.2 mm15°24°±0°
5. Tue 514°27°+3°
6. Wed 614°25°+2°
7. Thu 70.2 mm14°24°+1°
8. Fri 810°19°−4°
9. Sat 91.5 mm11°17°−5°
10. Sun 100.4 mm9°18°−4°
11. Mon 110.6 mm13°24°+1°
12. Tue 1211.3 mm14°24°+2°
13. Wed 1310°17°−6°
14. Thu 1410°17°−6°
15. Fri 151.8 mm10°20°−2°
16. Sat 163.8 mm14°24°+3°
17. Sun 1712°20°−1°
18. Mon 180.4 mm13°17°−4°
19. Tue 196.7 mm10°19°−3°
20. Wed 209°23°+2°
21. Thu 2115°29°+9°
22. Fri 222.5 mm13°22°+2°
23. Sat 230.6 mm11°18°−3°
24. Sun 248°20°−1°
25. Mon 2511°21°+1°
26. Tue 268°15°−5°
27. Wed 270.3 mm8°19°−1°
28. Thu 280.4 mm9°21°±0°
29. Fri 297°17°−4°
30. Sat 307°18°−2°