Click on a day for an hourly weather forecast
The temperatures in Mornington in September are usually low and can range between 10°C and 16°C.
You can expect about 3 to 8 days of rain in Mornington during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Mornington in September 2025.
If you’re planning to visit Mornington in the near future, we highly recommend that you review the 14 day weather forecast for Mornington before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 16° | 4 | 27 | 0 | 83 mm | Perfect | Mornington in January |
| February | 24° / 16° | 3 | 25 | 0 | 83 mm | Perfect | Mornington in February |
| March | 22° / 16° | 4 | 27 | 0 | 78 mm | Good | Mornington in March |
| April | 19° / 13° | 4 | 26 | 0 | 81 mm | Good | Mornington in April |
| May | 16° / 11° | 6 | 25 | 0 | 113 mm | Good | Mornington in May |
| June | 14° / 10° | 5 | 26 | 0 | 97 mm | Good | Mornington in June |
| July | 13° / 9° | 5 | 26 | 0 | 94 mm | Ok | Mornington in July |
| August | 14° / 9° | 6 | 25 | 0 | 116 mm | Good | Mornington in August |
| September | 16° / 10° | 6 | 24 | 0 | 108 mm | Good | Mornington in September |
| October | 18° / 11° | 5 | 26 | 0 | 107 mm | Good | Mornington in October |
| November | 20° / 12° | 5 | 25 | 0 | 97 mm | Good | Mornington in November |
| December | 22° / 14° | 4 | 27 | 0 | 91 mm | Good | Mornington in December |