Boston

September 1991

Average

70° / 55°

Warmest

Sep 17, 87°

Coldest

Sep 30, 40°

Rain

6.75 in

Wet days

9 days (≥ 0.04 in)

Against normal

1° cooler than normal

1. Sun 155°66°−7°
2. Mon 252°71°−3°
3. Tue 356°78°+4°
4. Wed 40.03 in63°83°+9°
5. Thu 51.02 in58°69°−5°
6. Fri 60.03 in58°67°−7°
7. Sat 758°76°+1°
8. Sun 860°79°+3°
9. Mon 959°75°−1°
10. Tue 1063°83°+8°
11. Wed 1156°72°−4°
12. Thu 1252°69°−5°
13. Fri 1351°70°−3°
14. Sat 140.10 in57°64°−8°
15. Sun 150.52 in58°67°−3°
16. Mon 160.13 in67°85°+15°
17. Tue 170.02 in71°87°+18°
18. Wed 180.03 in64°76°+6°
19. Thu 190.59 in58°79°+10°
20. Fri 200.64 in49°60°−10°
21. Sat 2146°58°−12°
22. Sun 2244°64°−6°
23. Mon 230.12 in52°69°±0°
24. Tue 240.02 in57°69°±0°
25. Wed 251.48 in56°69°+1°
26. Thu 262.03 in54°60°−8°
27. Fri 2748°62°−6°
28. Sat 2845°59°−9°
29. Sun 2943°65°−3°
30. Mon 3040°55°−13°