Average Rainfall for Missouri in September
The tables below give monthly averages for rainfall during September at cities, towns and lakes in Missouri.
Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.
The rainfall totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.
You can jump to a separate table for each region of the state: South, Central and North Missouri.
South Missouri
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 8 | Cape Girardeau | 3.6 | 92 |
| 7 | Caruthersville | 3.6 | 91 |
| 7 | Clearwater Lake Dam | 3.8 | 98 |
| 8 | Joplin | 4.2 | 106 |
| 7 | Ozark Beach | 4.1 | 105 |
| 7 | Poplar Bluff | 3.3 | 84 |
| 7 | Springfield | 4.3 | 109 |
| 7 | Stockton Lake Dam | 4.1 | 105 |
Central Missouri
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 8 | Clinton | 4.3 | 110 |
| 7 | Columbia | 3.8 | 97 |
| 8 | Farmington | 3.2 | 81 |
| 8 | Jefferson City | 4.2 | 108 |
| 8 | Kansas City | 4.0 | 103 |
| 8 | Lake Ozark, Lakeside | 4.2 | 106 |
| 9 | Lees Summit | 3.1 | 78 |
| 8 | Nevada | 4.6 | 117 |
| 8 | Rolla | 4.0 | 102 |
| 7 | St Charles | 3.1 | 78 |
| 7 | St Louis | 3.0 | 75 |
North Missouri
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 8 | Hannibal | 3.5 | 90 |
| 8 | Kirksville | 4.2 | 106 |
| 8 | Maryville | 3.5 | 89 |
| 7 | Moberly | 4.0 | 100 |
| 8 | St Joseph | 3.2 | 81 |
| 7 | Trenton | 3.9 | 99 |
Reference
NOAA National Centers for Environmental Information (NCEI). Climate Normals.