Mosman Weather in September
Mosman in September
The short of it: Mosman in September averages a high of 20 °C (68 °F) and a low of 11 °C (52 °F), with 71 mm (2.8 in) of rain and about 11 h 56 min of daylight. Rated 3 of 5 for a visit; the best months are April and November. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 11° · rain 71 mm · daylight 11 h 56 min
✦✦✦ Fair for a visit · best months: April & November
Thirty years of records give Mosman an average September high of 20°, a low of 11° and some 71 mm of rain. Much like August: highs about 20°, nights near 11°. Easy travelling weather. It is the driest month of the year, only 71 mm of rain.
The sun is up for about 11 h 56 min in mid-September, 63 minutes more than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are April and November.
Against its neighbours, Mosman runs cooler than most and about as wet in September. Sydney Central Business District, 4 km to the SW, is 1° warmer by day.
September in Mosman, by the numbers
- Warmth rank
- 9th warmest of 12
- Rain rank
- 12th wettest of 12
- Versus August
- 2° warmer, 5.0 mm less rain
- Versus October
- 2° colder
- Day–night spread
- 9°
- Snow season
- seldom any
- Daylight, mid-month
- 11 h 56 min
- Average wind
- 15 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Sydney Central Business DistrictNew South Wales | 4 km SW | 21° | 11° | 67 mm |
| SydneyNew South Wales | 4 km SW | 21° | 11° | 67 mm |
| Surry HillsNew South Wales | 6 km SSW | 21° | 11° | 72 mm |
| ManlyNew South Wales | 6 km NE | 20° | 11° | 74 mm |
| ChatswoodNew South Wales | 7 km NW | 21° | 11° | 69 mm |
| RandwickNew South Wales | 8 km S | 21° | 11° | 72 mm |
| MascotNew South Wales | 11 km SSW | 22° | 11° | 65 mm |
| Dee WhyNew South Wales | 11 km NNE | 20° | 11° | 74 mm |