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Units

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Boston

Massachusetts, United States · now 52°, clear

September 2026

Average
70° / 58°
Warmest
Sep 10, 85°
Coldest
Sep 24, 48°
Rain
6.76 in
Wet days
11 days (≥ 0.04 in)
Against normal
4° cooler than normal
Day's low to highNormal: 2016–2025 averageRain
  1. Tue 10.38 in63°69°−8°
  2. Wed 263°71°−6°
  3. Thu 30.28 in62°76°−1°
  4. Fri 40.02 in65°82°+5°
  5. Sat 50.13 in63°71°−6°
  6. Sun 60.09 in60°68°−9°
  7. Mon 756°79°+2°
  8. Tue 860°79°+3°
  9. Wed 90.16 in59°78°+2°
  10. Thu 100.00 in69°85°+10°
  11. Fri 1162°79°+3°
  12. Sat 1254°74°−1°
  13. Sun 131.27 in62°68°−7°
  14. Mon 1456°72°−3°
  15. Tue 1550°66°−9°
  16. Wed 1653°78°+4°
  17. Thu 170.07 in66°77°+4°
  18. Fri 180.02 in61°77°+5°
  19. Sat 1953°62°−10°
  20. Sun 200.05 in49°62°−10°
  21. Mon 210.02 in55°66°−6°
  22. Tue 2255°62°−9°
  23. Wed 230.00 in52°62°−9°
  24. Thu 2448°63°−9°
  25. Fri 250.03 in50°64°−8°
  26. Sat 261.78 in56°62°−10°
  27. Sun 271.96 in58°62°−8°
  28. Mon 280.48 in56°58°−12°
  29. Tue 290.01 in55°66°−4°
  30. Wed 300.02 in59°68°−1°

24 September in past years, 2017–2026

  1. 2026 Thu48°63°
  2. 2025 Wed0.06 in63°69°
  3. 2024 Tue0.03 in53°64°
  4. 2023 Sun0.16 in59°62°
  5. 2022 Sat47°66°
  6. 2021 Fri0.12 in66°74°
  7. 2020 Thu57°81°
  8. 2019 Tue0.08 in61°78°
  9. 2018 Mon52°57°
  10. 2017 Sun61°82°

· Weather data by ECMWF (CC BY 4.0) via Open-Meteo · Historical weather: ERA5, Copernicus Climate Change Service, via Open-Meteo