14.09
mon
mon
Day

61°F
W 5 mph
Precip.
11%
11%
Night

54°F
E 3 mph
Precip.
28%
28%
15.09
tue
tue
Day

63°F
S 6 mph
Precip.
15%
15%
Night

55°F
E 2 mph
Precip.
7%
7%
16.09
wed
wed
Day

64°F
SW 4 mph
Precip.
3%
3%
Night

57°F
E 2 mph
Precip.
8%
8%
17.09
thu
thu
Day

68°F
SW 5 mph
Precip.
2%
2%
Night

57°F
E 2 mph
Precip.
8%
8%
18.09
fri
fri
Day

64°F
SW 3 mph
Precip.
4%
4%
Night

59°F
E 2 mph
Precip.
9%
9%
19.09
sat
sat
Day

66°F
SW 3 mph
Precip.
12%
12%
Night

57°F
NW 2 mph
Precip.
26%
26%
20.09
sun
sun
Day

64°F
SW 5 mph
Precip.
5%
5%
Night

55°F
SE 2 mph
Precip.
29%
29%
21.09
mon
mon
Day

61°F
W 4 mph
Precip.
9%
9%
Night

55°F
NE 1 mph
Precip.
31%
31%
22.09
tue
tue
Day

63°F
W 4 mph
Precip.
17%
17%
Night

55°F
N 1 mph
Precip.
25%
25%
23.09
wed
wed
Day

55°F
N 4 mph
Precip.
66%
66%
Night

50°F
E 5 mph
Precip.
22%
22%
24.09
thu
thu
Day

59°F
SW 4 mph
Precip.
3%
3%
Night

50°F
E 4 mph
Precip.
8%
8%
25.09
fri
fri
Day

59°F
S 6 mph
Precip.
8%
8%
Night

52°F
E 3 mph
Precip.
6%
6%
26.09
sat
sat
Day

57°F
SW 4 mph
Precip.
5%
5%
Night

54°F
NE 2 mph
Precip.
19%
19%
27.09
sun
sun
Day

61°F
NW 5 mph
Precip.
6%
6%
Night

54°F
NE 4 mph
Precip.
8%
8%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 61.8°F. The highest and lowest sea temperatures during the month were 65.8°F and 57.4°F.
Air temperature in Nanaimo, °F
Precipitation total in Nanaimo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Nanaimo
Nanaimo on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Nanaimo
Local time: 11:00
September 14, monday
1200

61°F
W
5 mph
5 mph
1500

61°F
W
5 mph
5 mph
1800

59°F
W
2 mph
2 mph
2100

55°F
SE
1 mph
1 mph
September 15, tuesday
0000

54°F
E
3 mph
3 mph
0300

55°F
E
3 mph
3 mph
0600

54°F
SE
3 mph
3 mph
0900

55°F
SE
3 mph
3 mph




























