Flat Rock Rainfall Forecast

Today 13 Sep
30%
Sun 14 Sep
5%
Mon 15 Sep
No Rain
Tue 16 Sep
No Rain
Wed 17 Sep
No Rain
Thu 18 Sep
5%
Fri 19 Sep
20%

Flat Rock Rainfall Statistics

September Rainfall

Detroit/Grosse Ile, Grosse Ile Airport (6.2 miles)

Total Rainfall 2025
9.4in
Daily Average 2025
0.04in
Wettest Day 31 July, 2025
1.7in
Wet Days 2025
67/256 (26%)
Total Rainfall August
1in
Daily Average August
0.03in
Wettest Day 12 August, 2025
0.9in
Wet Days August
4/31 (13%)
Total Rainfall September
0.5in
Daily Average September
0.04in
Wettest Day 4 September, 2025
0.4in
Wet Days September
2/13 (15%)

Climate (2010–Present)

Detroit/Grosse Ile, Grosse Ile Airport (6.2 miles)

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Annual Average 2020–2024
30.9in
Monthly Average 2020–2025
2.5in
Daily Average 2020–2025
0.1in
Wettest Day 6 August, 2024
2.9in

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