Weather in Maitland in September
Australia · 20-year averages, September
Prime time. If you get to pick your dates, September is the one. Highs average 23.4 °C, lows 10.1 °C, and rain falls on 7 days — nothing in the month is working against you.
September is the highest-scoring month of the twelve. The nearest rival is May, and the month at the other end of the year is January.
Rain on 7 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.
What the averages hide
The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest September day reached 36.4 °C and the coldest night fell to 3 °C, and the wettest single day dropped 37 mm — roughly 90% of the month's rain in one day.
September is moderately variable: 1 mm in the driest year against 96 mm in the wettest, around an average of 41 mm. Roughly two Septembers in three land near that average, and the third does something else entirely.
Wind is light at 4.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 65%.
How September sits in the year
The month is on the way up: 4.2 °C warmer than August, and October adds another 3.7 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in September
11.8 hours of daylight, gaining 1 hours across the month. That is between Maitland's extremes of 14.3 and 10 hours, so days are long enough not to constrain the plan.
Sea temperature
The sea sits at about 19.4 °C in September — swimmable, but it takes a moment to commit. The sea peaks at 24.5 °C in February and bottoms out at 19.3 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.
How busy it gets
Peak season. Expect the highest prices of the year and to be booking well ahead. If the dates are flexible, June is the trade worth considering — 13 points weaker on weather, and materially quieter.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
September in Maitland versus nearby
If Maitland is one option among several, the nearby comparison is worth making. Central Coast is close enough to be a coin toss — within a degree on temperature, 1 day less rain. Sydney is close enough to be a coin toss — 3.9 °C cooler, the same number of rain days.
So: September is the answer for Maitland. If it is booked out or priced out, May is the next best thing at 1 points behind, and January is the month to keep off the shortlist.
Every month in Maitland
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 34 | 19.5 | 11 | 77 | 61 | 14.1 | 24 | 48 |
| February | 31.4 | 19 | 13 | 109 | 68 | 13.3 | 24.5 | 55 |
| March | 28.6 | 16.9 | 13 | 98 | 73 | 12.3 | 24.2 | 68 |
| April | 25.1 | 13.8 | 9 | 60 | 74 | 11.3 | 23.6 | 83 |
| May | 21.2 | 10 | 8 | 45 | 74 | 10.5 | 22.1 | 86 |
| June | 17.7 | 7.9 | 10 | 73 | 82 | 10 | 20.5 | 74 |
| July | 17.3 | 6.5 | 7 | 37 | 78 | 10.2 | 19.5 | 79 |
| August | 19.2 | 7 | 6 | 37 | 70 | 10.9 | 19.3 | 86 |
| September | 23.4 | 10.1 | 7 | 41 | 65 | 11.8 | 19.4 | 87 |
| October | 27.1 | 12.9 | 8 | 59 | 61 | 12.8 | 20.2 | 84 |
| November | 29.8 | 15.7 | 10 | 82 | 62 | 13.8 | 21.1 | 67 |
| December | 31.5 | 17.5 | 11 | 83 | 62 | 14.3 | 22.7 | 59 |
See all twelve months in Maitland, or where else to go in September.
Planning the rest of the trip
- Where to eat & stay in Maitland every café, restaurant and hotel
- Flight time to Maitland how long you are actually in the air
- Maitland time zone and the difference from home
- Days until your trip count down to the departure date
- Gyms & clubs in Maitland keep training while you are there