Fahrenheit
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Celsius
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Weather By Day
Montana Weather
Montana Weather
September Billings
Weather
September Glasgow
Weather
September Great Falls
Weather
September Helena
Weather
September Kalispell
Weather
September Missoula
Weather
Celsius
/Fahrenheit
Montana Weather In September
Record and normal high and low temperatures for various Montana cities in September:
City
Record High
Normal High
Normal Low
Record Low
Average Precipitation (in.)
Billings
103
72
47
22
1.34
Glasgow
103
70
44
15
.98
Great Falls
98
70
41
16
1.23
Helena
99
71
41
18
1.05
Kalispell
99
69
37
16
1.20
Missoula
99
72
41
20
1.08
