Portland Rainfall Forecast
- 15%
- 25%
- 10%
- No Rain
- 5%
- 20%
- 15%
Portland Rainfall Statistics
September Rainfall
Meriden, Meriden Markham Municipal Airport (10.6 miles)
Total Rainfall September
1.7inDaily Average September
0.2inWettest Day 6 September, 2025
0.6inWet Days September
3/13 (23%)
Climate (2010–Present)
Meriden, Meriden Markham Municipal Airport (10.6 miles)
Annual Average 2020–2024
50.5inMonthly Average 2020–2025
4.2inDaily Average 2020–2025
0.1inWettest Day 1 September, 2021
4.5in