Where is the sea warmest in Canada in September?

Port Stanley Beach in Canada has the warmest sea in Canada in September, averaging about 19.0 °C. Long Point Beach (19.0 °C) and Woodbine Beach follow close behind.

How many beaches in Canada are warm enough to swim in September?

None of the top 25 ranked beaches in Canada 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

Warmest sea temperature in Canada in September

Where the sea is warmest across Canada during September, ranked by long-term monthly average water temperature. Port Stanley Beach (Ontario, Canada) tops the list at around 19°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
Port Stanley Beach
Ontario · Canada · Great Lakes
Mild — fine for a swim, cool at first
19°C
September average
2
Long Point Beach
Ontario · Canada · Great Lakes
Mild — fine for a swim, cool at first
19°C
September average
3
Woodbine Beach
Ontario · Canada · Great Lakes
Mild — fine for a swim, cool at first
19°C
September average
4
Sandbanks Beach
Ontario · Canada · Great Lakes
Mild — fine for a swim, cool at first
19°C
September average
5
Wasaga Beach
Ontario · Canada · Great Lakes
Mild — fine for a swim, cool at first
19°C
September average
6
Grand Bend Beach
Ontario · Canada · Great Lakes
Mild — fine for a swim, cool at first
19°C
September average
7
Sauble Beach
Ontario · Canada · Great Lakes
Mild — fine for a swim, cool at first
19°C
September average
8
Cobourg Beach
Ontario · Canada · Lake Ontario
Mild — fine for a swim, cool at first
19°C
September average
9
Presqu'ile Beach
Ontario · Canada · Lake Ontario
Mild — fine for a swim, cool at first
19°C
September average
10
Outlet Beach
Ontario · Canada · Lake Ontario
Mild — fine for a swim, cool at first
19°C
September average
11
Stanhope Beach
Prince Edward Island · Canada · Gulf of St Lawrence
Cool — shorty wetsuit recommended
17°C
September average
12
Greenwich Beach
Prince Edward Island · Canada · Gulf of St Lawrence
Cool — shorty wetsuit recommended
17°C
September average
13
Singing Sands
Prince Edward Island · Canada · Gulf of St Lawrence
Cool — shorty wetsuit recommended
17°C
September average
14
Thunder Cove
Prince Edward Island · Canada · Gulf of St Lawrence
Cool — shorty wetsuit recommended
17°C
September average
15
Panmure Island
Prince Edward Island · Canada · Gulf of St Lawrence
Cool — shorty wetsuit recommended
17°C
September average
16
Argyle Shore
Prince Edward Island · Canada · Gulf of St Lawrence
Cool — shorty wetsuit recommended
17°C
September average
17
Cavendish Beach
Prince Edward Island · Canada · Gulf of St Lawrence
Cool — shorty wetsuit recommended
17°C
September average
18
Brackley Beach
Prince Edward Island · Canada · Gulf of St Lawrence
Cool — shorty wetsuit recommended
17°C
September average
19
Rissers Beach
Nova Scotia · Canada · Atlantic Ocean
Cool — shorty wetsuit recommended
16°C
September average
20
Crystal Crescent
Nova Scotia · Canada · Atlantic Ocean
Cool — shorty wetsuit recommended
16°C
September average
21
Hirtles Beach
Nova Scotia · Canada · Atlantic Ocean
Cool — shorty wetsuit recommended
16°C
September average
22
Carters Beach
Nova Scotia · Canada · Atlantic Ocean
Cool — shorty wetsuit recommended
16°C
September average
23
Mavillette Beach
Nova Scotia · Canada · Atlantic Ocean
Cool — shorty wetsuit recommended
16°C
September average
24
Melmerby Beach
Nova Scotia · Canada · Atlantic Ocean
Cool — shorty wetsuit recommended
16°C
September average
25
Inverness Beach
Nova Scotia · Canada · Atlantic Ocean
Cool — shorty wetsuit recommended
16°C
September average

Warmest sea in September elsewhere

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Canada in September — frequently asked questions

Where is the sea warmest in Canada in September?: Port Stanley Beach in Canada has the warmest sea in Canada in September, averaging about 19.0 °C. Long Point Beach (19.0 °C) and Woodbine Beach follow close behind.
How many beaches in Canada are warm enough to swim in September?: None of the top 25 ranked beaches in Canada 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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