15.09
tue
tue
Day

61°F
S 6 mph
Precip.
18%
18%
Night

55°F
E 4 mph
Precip.
8%
8%
16.09
wed
wed
Day

64°F
SW 4 mph
Precip.
3%
3%
Night

57°F
E 3 mph
Precip.
6%
6%
17.09
thu
thu
Day

68°F
SW 5 mph
Precip.
2%
2%
Night

57°F
SE 1 mph
Precip.
9%
9%
18.09
fri
fri
Day

61°F
SW 5 mph
Precip.
6%
6%
Night

55°F
E 2 mph
Precip.
23%
23%
19.09
sat
sat
Day

63°F
W 4 mph
Precip.
7%
7%
Night

55°F
E 2 mph
Precip.
12%
12%
20.09
sun
sun
Day

63°F
SW 4 mph
Precip.
16%
16%
Night

57°F
E 2 mph
Precip.
25%
25%
21.09
mon
mon
Day

61°F
SW 5 mph
Precip.
5%
5%
Night

55°F
E 7 mph
Precip.
7%
7%
22.09
tue
tue
Day

59°F
SW 4 mph
Precip.
4%
4%
Night

52°F
E 2 mph
Precip.
13%
13%
23.09
wed
wed
Day

61°F
W 5 mph
Precip.
3%
3%
Night

55°F
N 2 mph
Precip.
12%
12%
24.09
thu
thu
Day

63°F
W 5 mph
Precip.
18%
18%
Night

52°F
SE 6 mph
Precip.
61%
61%
25.09
fri
fri
Day

52°F
SW 3 mph
Precip.
40%
40%
Night

48°F
E 3 mph
Precip.
35%
35%
26.09
sat
sat
Day

54°F
SW 2 mph
Precip.
19%
19%
Night

46°F
NE 4 mph
Precip.
34%
34%
27.09
sun
sun
Day

54°F
W 5 mph
Precip.
17%
17%
Night

46°F
E 4 mph
Precip.
13%
13%
28.09
mon
mon
Day

55°F
W 4 mph
Precip.
6%
6%
Night

50°F
E 4 mph
Precip.
12%
12%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 61.5°F. The highest and lowest sea temperatures during the month were 63.3°F and 60.3°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: 10:54
September 15, tuesday
1200

61°F
S
6 mph
6 mph
1500

66°F
SW
8 mph
8 mph
1800

64°F
W
2 mph
2 mph
2100

57°F
NE
4 mph
4 mph
September 16, wednesday
0000

55°F
E
4 mph
4 mph
0300

54°F
E
4 mph
4 mph
0600

54°F
E
3 mph
3 mph
0900

59°F
SW
1 mph
1 mph



























