Search for cities, countries, lakes and rivers
Sea Temperature in Mosman in September
Complete information on the sea temperature range in the Tasman Sea in Mosman in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Mosman. 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 Mosman in September
16°C
MINIMUN
18°C
AVERAGE
20°C
MAXIMUM
Historical Data of Water Temperature in September in Mosman
Water Temperature Chart for Tasman Sea in Mosman in September
Sea Temperature Table in Mosman in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 19°C | 17°C | 19°C | 18.0°C |
| Sep 2 | 19°C | 16°C | 18°C | 17.8°C |
| Sep 3 | 19°C | 17°C | 19°C | 18.3°C |
| Sep 4 | 19°C | 17°C | 19°C | 18.0°C |
| Sep 5 | 19°C | 17°C | 19°C | 18.3°C |
| Sep 6 | 19°C | 18°C | 19°C | 18.3°C |
| Sep 7 | 18°C | 18°C | 19°C | 18.0°C |
| Sep 8 | 18°C | 18°C | 19°C | 18.0°C |
| Sep 9 | 19°C | 17°C | 18°C | 17.8°C |
| Sep 10 | 19°C | 18°C | 18°C | 18.0°C |
| Sep 11 | 19°C | 17°C | 18°C | 17.8°C |
| Sep 12 | 19°C | 17°C | 19°C | 18.5°C |
| Sep 13 | 19°C | 17°C | 19°C | 18.5°C |
| Sep 14 | 18°C | 18°C | 18°C | 18.3°C |
| Sep 15 | 18°C | 18°C | 18°C | 18.3°C |
| Sep 16 | 19°C | 18°C | 18°C | 18.5°C |
| Sep 17 | 18°C | 18°C | 18°C | 18.3°C |
| Sep 18 | 19°C | 18°C | 18°C | 18.5°C |
| Sep 19 | 18°C | 18°C | 18°C | 18.3°C |
| Sep 20 | 18°C | 18°C | 18°C | 18.3°C |
| Sep 21 | 18°C | 18°C | 18°C | 18.3°C |
| Sep 22 | 18°C | 17°C | 18°C | 18.0°C |
| Sep 23 | 18°C | 18°C | 19°C | 18.3°C |
| Sep 24 | 18°C | 17°C | 19°C | 18.3°C |
| Sep 25 | 18°C | 18°C | 20°C | 18.8°C |
| Sep 26 | 18°C | 17°C | 19°C | 18.3°C |
| Sep 27 | 18°C | 17°C | 19°C | 18.3°C |
| Sep 28 | 18°C | 17°C | 19°C | 18.3°C |
| Sep 29 | 18°C | 17°C | 19°C | 18.3°C |
Mosman Climate and Swimming Opportunities in September
22°C
Average Day Air Temperature
10°C
Average Night Air Temperature
64 mm
Precipitation Amount per Month
8 days
Number of Rainy Days
12 hrs
Daylight
per Day
7 hrs
Sunshine
per Day
15 km/h
Average Wind Speed
55%
Average
humidity
Mosman lies within the New South Wales in Australia. The average daytime temperature in Mosman in September is 22°C (71°F), while the nighttime average is 10°C (51°F). There are typically eight rainy days during the month, with a total precipitation of 64 mm (2.5 inches). The daylight duration in September in Mosman is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 15 km/h (9 mph), and the humidity level is around 55%.
The water temperature in Mosman in September ranges from 17°C to 18°C (63°F to 64°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 18°C (64°F) by mid-September and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Mosman for September is 18°C (64°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Mosman
What is the sea temperature in Mosman in September?
The water temperature in the Tasman Sea in Mosman in September ranges from 17°C to 18°C (63°F to 64°F).
Is it possible to swim in the Tasman Sea in Mosman in September?
The average sea temperature in Mosman in September is 18°C (64°F), and the air temperature is 22°C (71°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.