Average Precipitation for New Hampshire in September
The tables below give monthly averages for rainfall plus snowfall during September at cities, towns and parks in New Hampshire.
Each place has a total for the amount of precipitation it usually receives this month. Most sites also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.
The precipitation totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.
You can jump to a separate table for Southern and Northern New Hampshire.
Southern New Hampshire
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 9 | Concord | 3.4 | 86 |
| 9 | Durham | 3.8 | 97 |
| – | Franklin Falls Reservoir Dam | 3.7 | 94 |
| 9 | Keene | 3.8 | 97 |
| 10 | Laconia & Lakeport | 3.4 | 87 |
| 11 | Lebanon | 3.4 | 87 |
| 9 | Massabesic Lake | 3.4 | 86 |
| 10 | Mount Sunapee | 4.1 | 103 |
| 9 | Nashua | 3.7 | 94 |
| 9 | Portsmouth & Greenland | 4.1 | 103 |
| – | Surry Mountain Lake | 3.7 | 93 |
Northern New Hampshire
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 9 | Berlin | 3.5 | 89 |
| 12 | Bethlehem | 3.7 | 94 |
| 9 | Colebrook | 3.5 | 89 |
| 12 | First Connecticut Lake | 4.0 | 102 |
| 14 | Mount Washington | 8.0 | 204 |
| 10 | North Conway | 3.6 | 92 |
| 12 | Pinkham Notch | 5.0 | 126 |
| 11 | Plymouth | 3.4 | 85 |
| 13 | Tamworth | 3.9 | 99 |
Reference
National Climatic Data Center. NOAA's 1981-2010 Climate Normals.