Where is the sea coldest in North America in September?

English Bay in Canada has the coldest sea in North America in September, averaging about 14.0 °C. Ambleside Beach (14.0 °C) and Cates Park are the next coolest.

How many beaches in North America are warm enough to swim in September?

None of the top 25 ranked beaches in North America reach 22 °C in September, so a wetsuit is recommended for anything longer than a quick dip.

How are these September sea temperatures calculated?

Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical September rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

Seasonal ranking

Coldest sea temperature in North America in September

Where the sea is coolest across North America during September, ranked by long-term monthly average water temperature. English Bay (British Columbia, Canada) is the coolest at around 14°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
English Bay
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
2
Ambleside Beach
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
3
Cates Park
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
4
Long Beach
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
5
China Beach
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
6
Sombrio Beach
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
7
Willows Beach
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
8
Qualicum Beach
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
9
Parksville Beach
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
10
White Rock Beach
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
11
Crescent Beach
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
12
Centennial Beach
British Columbia · Canada · Pacific Ocean
Cold — wetsuit strongly recommended
14°C
September average
13
Florencia Bay
Vancouver Island · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
15°C
September average
14
China Beach
Vancouver Island · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
15°C
September average
15
Miracle Beach
Vancouver Island · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
15°C
September average
16
Kye Bay
Vancouver Island · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
15°C
September average
17
Rebecca Spit
Vancouver Island · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
15°C
September average
18
Tribune Bay
Vancouver Island · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
15°C
September average
19
Pinery Beach
Ontario Huron · Canada · Lake Huron
Cool — shorty wetsuit recommended
15°C
September average
20
Ipperwash Beach
Ontario Huron · Canada · Lake Huron
Cool — shorty wetsuit recommended
15°C
September average
21
Port Elgin Beach
Ontario Huron · Canada · Lake Huron
Cool — shorty wetsuit recommended
15°C
September average
22
Southampton Beach
Ontario Huron · Canada · Lake Huron
Cool — shorty wetsuit recommended
15°C
September average
23
Tobermory Beach
Ontario Huron · Canada · Lake Huron
Cool — shorty wetsuit recommended
15°C
September average
24
Providence Bay
Ontario Huron · Canada · Lake Huron
Cool — shorty wetsuit recommended
15°C
September average
25
Kincardine Beach
Ontario Huron · Canada · Lake Huron
Cool — shorty wetsuit recommended
15°C
September average

Coldest sea in September elsewhere

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North America in September — frequently asked questions

Where is the sea coldest in North America in September?: English Bay in Canada has the coldest sea in North America in September, averaging about 14.0 °C. Ambleside Beach (14.0 °C) and Cates Park are the next coolest.
How many beaches in North America are warm enough to swim in September?: None of the top 25 ranked beaches in North America reach 22 °C in September, so a wetsuit is recommended for anything longer than a quick dip.
How are these September sea temperatures calculated?: Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical September rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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