Machens Rainfall Forecast

Today 19 Sep
20%
Sun 20 Sep
35%
Mon 21 Sep
75%
Tue 22 Sep
30%
Wed 23 Sep
No Rain
Thu 24 Sep
No Rain
Fri 25 Sep
20%

Machens Rainfall Statistics

September Rainfall

St. Charles, St. Charles County Smartt Airport (5.6 miles)

Total Rainfall 2026
24in
Daily Average 2026
0.1in
Wettest Day 18 May, 2026
1.6in
Wet Days 2026
72/262 (27%)
Total Rainfall August
2.2in
Daily Average August
0.1in
Wettest Day 16 August, 2026
1.2in
Wet Days August
10/31 (32%)
Total Rainfall September
0.4in
Daily Average September
0.02in
Wettest Day 15 September, 2026
0.1in
Wet Days September
5/19 (26%)

Climate (2021–2025)

St. Charles, St. Charles County Smartt Airport (5.6 miles)

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Annual Average 2021–2025
36.2in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 16 July, 2024
3.8in

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