Dee Why Weather in September
Dee Why in September
The short of it: Dee Why in September averages a high of 20 °C (69 °F) and a low of 11 °C (52 °F), with 74 mm (2.9 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 74 mm · daylight 11 h 56 min
✦✦✦ Fair for a visit · best months: April & November
September in Dee Why brings afternoons near 20° and nights around 11°, with about 74 mm of rain over the month. Much like August: highs about 20°, nights near 11°. Easy travelling weather. It is the driest month of the year, only 74 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, Dee Why runs about middling and wetter than most in September. Manly, 5 km to the S, is 1° cooler by day.
September in Dee Why, 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
- 14 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| ManlyNew South Wales | 5 km S | 20° | 11° | 74 mm |
| PittwaterNew South Wales | 10 km N | 20° | 11° | 72 mm |
| MosmanNew South Wales | 11 km SSW | 20° | 11° | 71 mm |
| ChatswoodNew South Wales | 11 km WSW | 21° | 11° | 69 mm |
| Saint IvesNew South Wales | 12 km W | 21° | 10° | 67 mm |
| Sydney Central Business DistrictNew South Wales | 15 km SSW | 21° | 11° | 67 mm |
| SydneyNew South Wales | 15 km SSW | 21° | 11° | 67 mm |
| Surry HillsNew South Wales | 16 km SSW | 21° | 11° | 72 mm |