19.09
sat
sat
Day

59°F
NW 7 mph
Precip.
12%
12%
Night

54°F
NE 2 mph
Precip.
44%
44%
20.09
sun
sun
Day

54°F
SW 12 mph
Precip.
24%
24%
Night

48°F
SW 10 mph
Precip.
20%
20%
21.09
mon
mon
Day

48°F
W 10 mph
Precip.
13%
13%
Night

48°F
W 4 mph
Precip.
13%
13%
22.09
tue
tue
Day

50°F
W 9 mph
Precip.
2%
2%
Night

48°F
NW 2 mph
Precip.
9%
9%
23.09
wed
wed
Day

57°F
NW 6 mph
Precip.
3%
3%
Night

48°F
NE 4 mph
Precip.
9%
9%
24.09
thu
thu
Day

57°F
W 3 mph
Precip.
1%
1%
Night

52°F
NE 3 mph
Precip.
11%
11%
25.09
fri
fri
Day

59°F
SW 3 mph
Precip.
1%
1%
Night

55°F
NE 6 mph
Precip.
8%
8%
26.09
sat
sat
Day

63°F
NE 9 mph
Precip.
2%
2%
Night

59°F
NE 9 mph
Precip.
20%
20%
27.09
sun
sun
Day

63°F
NE 11 mph
Precip.
4%
4%
Night

57°F
NE 8 mph
Precip.
20%
20%
28.09
mon
mon
Day

50°F
S 9 mph
Precip.
77%
77%
Night

50°F
SW 7 mph
Precip.
17%
17%
29.09
tue
tue
Day

48°F
SW 12 mph
Precip.
11%
11%
Night

50°F
SW 7 mph
Precip.
8%
8%
30.09
wed
wed
Day

50°F
SW 9 mph
Precip.
9%
9%
Night

52°F
S 4 mph
Precip.
14%
14%
01.10
thu
thu
Day

54°F
SW 9 mph
Precip.
5%
5%
Night

52°F
S 4 mph
Precip.
20%
20%
02.10
fri
fri
Day

57°F
SW 6 mph
Precip.
4%
4%
Night

54°F
S 5 mph
Precip.
10%
10%
sea water
temperature
temperature
| Marquette |
monthly
weather
weather
| Marquette |
current
weather
weather
| Marquette |
7 days
forecast
forecast
| Marquette |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 64.5°F. The highest and lowest sea temperatures during the month were 67.8°F and 60.6°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 56.9°F. The highest and lowest sea temperatures during the month were 61.5°F and 53.2°F.
Air temperature in Marquette, °F
Precipitation total in Marquette, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Marquette
Marquette on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marquette
Local time: 06:50
September 19, saturday
0900

50°F
NW
4 mph
4 mph
1200

59°F
NW
7 mph
7 mph
1500

59°F
N
6 mph
6 mph
1800

54°F
N
6 mph
6 mph
2100

52°F
N
3 mph
3 mph
September 20, sunday
0000

54°F
NE
2 mph
2 mph
0300

54°F
SE
3 mph
3 mph
0600

54°F
S
5 mph
5 mph




























