St Charles Rainfall Forecast
- 5%
- 20%
- 70%
- 15%
- 20%
- 30%
- 15%
St Charles Rainfall Statistics
September Rainfall
Winner, Bob Wiley Field Airport (42.9 miles)
Total Rainfall September
0.3inDaily Average September
0.03inWettest Day 6 September, 2026
0.2inWet Days September
3/12 (25%)
Climate (2021–2025)
Winner, Bob Wiley Field Airport (42.9 miles)
Annual Average 2021–2025
16.3inMonthly Average 2021–2026
1.4inDaily Average 2021–2026
0.05inWettest Day 20 June, 2024
3.7in