Mattapan Rainfall Forecast
- 30%
- 5%
- No Rain
- No Rain
- 25%
- 50%
- 10%
Mattapan Rainfall Statistics
September Rainfall
Boston, Logan International Airport (6.8 miles)
Total Rainfall September
0.7inDaily Average September
0.2inWettest Day 3 September, 2026
0.5inWet Days September
2/5 (40%)
Climate (2021–2025)
Boston, Logan International Airport (6.8 miles)
Annual Average 2021–2025
43.1inMonthly Average 2021–2026
3.3inDaily Average 2021–2026
0.1inWettest Day 22 May, 2025
3.1in