Search for cities, countries, lakes and rivers
Sea Temperature in Saint John in September
Complete information on the sea temperature range in the Atlantic Ocean in Saint John in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Saint John. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Saint John in September
52°F
MINIMUN
56°F
AVERAGE
61°F
MAXIMUM
Historical Data of Water Temperature in September in Saint John
Water Temperature Chart for Atlantic Ocean in Saint John in September
Sea Temperature Table in Saint John in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 59°C | 55°C | 55°C | 56°C |
| Sep 2 | 59°C | 55°C | 55°C | 56°C |
| Sep 3 | 59°C | 55°C | 55°C | 56°C |
| Sep 4 | 59°C | 55°C | 55°C | 56°C |
| Sep 5 | 57°C | 55°C | 54°C | 55°C |
| Sep 6 | 57°C | 55°C | 54°C | 55°C |
| Sep 7 | 57°C | 54°C | 55°C | 55°C |
| Sep 8 | 57°C | 55°C | 55°C | 56°C |
| Sep 9 | 57°C | 55°C | 55°C | 56°C |
| Sep 10 | 57°C | 55°C | 55°C | 56°C |
| Sep 11 | 57°C | 55°C | 55°C | 56°C |
| Sep 12 | 59°C | 55°C | 55°C | 56°C |
| Sep 13 | 57°C | 57°C | 55°C | 56°C |
| Sep 14 | 57°C | 57°C | 55°C | 56°C |
| Sep 15 | 57°C | 57°C | 55°C | 56°C |
| Sep 16 | 57°C | 55°C | 55°C | 56°C |
| Sep 17 | 55°C | 57°C | 57°C | 57°C |
| Sep 18 | 57°C | 55°C | 57°C | 57°C |
| Sep 19 | 57°C | 55°C | 55°C | 56°C |
| Sep 20 | 57°C | 55°C | 55°C | 56°C |
| Sep 21 | 57°C | 55°C | 55°C | 56°C |
| Sep 22 | 59°C | 55°C | 55°C | 56°C |
| Sep 23 | 57°C | 55°C | 55°C | 56°C |
| Sep 24 | 57°C | 55°C | 57°C | 56°C |
| Sep 25 | 57°C | 55°C | 57°C | 56°C |
| Sep 26 | 59°C | 55°C | 57°C | 56°C |
| Sep 27 | 59°C | 54°C | 57°C | 56°C |
| Sep 28 | 57°C | 55°C | 57°C | 56°C |
| Sep 29 | 57°C | 55°C | 57°C | 56°C |
Saint John Climate and Swimming Opportunities in September
61°F
Average Day Air Temperature
48°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
16 days
Number of Rainy Days
13 hrs
Daylight
per Day
4 hrs
Sunshine
per Day
11 mph
Average Wind Speed
88%
Average
humidity
Saint John lies within the New Brunswick in Canada. The average daytime temperature in Saint John in September is 16°C (61°F), while the nighttime average is 9°C (49°F). There are typically 16 rainy days during the month, with a total precipitation of 78 mm (3.1 inches). The daylight duration in September in Saint John is 13 hours, with an average of 4 hours of sunshine per day. The average wind speed in September is 18 km/h (11 mph), and the humidity level is around 88%.
The water temperature in Saint John in September ranges from 12°C to 13°C (54°F to 55°F). At the beginning of the month, the average temperature is around 13°C (55°F), shifting to 13°C (55°F) by mid-September and reaching 13°C (55°F) in the last ten days. Overall, the average sea temperature in Saint John for September is 13°C (55°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Saint John
What is the sea temperature in Saint John in September?
The water temperature in the Atlantic Ocean in Saint John in September ranges from 12°C to 13°C (54°F to 55°F).
Is it possible to swim in the Atlantic Ocean in Saint John in September?
The average sea temperature in Saint John in September is 13°C (55°F), and the air temperature is 16°C (61°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.