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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Harrietta, MI
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September
Average Temperature
High
21°
Feels 21
Low
10°
Feels 9
Average Precipitation
10 Days
Rain amount
46.3mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
17°
20
19°
21
16°
22
16°
23
18°
24
18°
25
19°
26
20°
27
20°
28
19°
29
20°
30
19°
Forecast
Saturday, September 19, 2026
Day
17°
Feels 17
Wind
19 km/h SE
Gust
29 km/h
Humidity
63%
P.O.P
80%
Rain
~5 mm
Night
13°
Feels 11
Wind
14 km/h E
Gust
21 km/h
Humidity
100%
P.O.P
70%
Rain
1-3 mm
Historical Averages
Sep 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.