Chateau-Richer — Water Temperature in September

Water Temperature Range

9°C

minimum

16°C

average

19°C

maximum

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Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2025	2024	2023	2022
SEP 1	16°C	17°C	17°C	18°C
SEP 2	16°C	14°C	18°C	18°C
SEP 3	16°C	15°C	18°C	19°C
SEP 4	16°C	15°C	18°C	18°C
SEP 5	16°C	17°C	17°C	18°C
SEP 6	16°C	15°C	18°C	18°C
SEP 7	16°C	16°C	18°C	18°C
SEP 8	16°C	16°C	18°C	18°C
SEP 9	16°C	16°C	17°C	18°C
SEP 10	16°C	15°C	17°C	18°C
SEP 11	16°C	17°C	17°C	18°C
SEP 12	16°C	16°C	18°C	17°C
SEP 13	16°C	17°C	18°C	17°C
SEP 14	16°C	15°C	17°C	18°C
SEP 15	16°C	16°C	18°C	17°C
SEP 16	15°C	14°C	17°C	17°C
SEP 17	16°C	16°C	17°C	17°C
SEP 18	16°C	15°C	17°C	17°C
SEP 19	16°C	16°C	18°C	17°C
SEP 20	16°C	15°C	18°C	16°C
SEP 21	16°C	15°C	18°C	16°C
SEP 22	15°C	14°C	18°C	16°C
SEP 23	15°C	15°C	17°C	16°C
SEP 24	15°C	14°C	17°C	15°C
SEP 25	15°C	15°C	17°C	15°C
SEP 26	15°C	14°C	16°C	15°C
SEP 27	14°C	14°C	15°C	15°C
SEP 28	14°C	13°C	16°C	14°C
SEP 29	15°C	14°C	16°C	15°C
SEP 30	14°C	14°C	15°C	15°C

September: Climate and Swimming Opportunities

Average Night Air Temperature

24°C

Average Day Air Temperature

31°C

Precipitation Amount per Month

141 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

7 hrs

Average Wind Speed

14 km/h

Average Humidity

81%

With such a ratio between the average monthly temperatures of water and air, the swim feels brisk and very refreshing. The air is warm enough to make the cool water easy to handle, especially for short swims.