Penrith in September
September is right in the heart of spring for Penrith, and the weather has a definite personality this time of year.
The average daily maximum is 22.4 degrees with overnight lows of 8.7 degrees. That's solidly pleasant territory. Great for being outdoors.
September is 1.0 degrees cooler than Penrith's yearly average.
Rainfall in September averages 38mm over about 3 days. That means roughly a 10% chance of rain on any given day, so you can leave the umbrella at the hotel.
Solar exposure averages 17.8 MJ/m2 per day in September, with UV levels in the very high range. You'll want SPF 50+ and a decent hat.
September earns a 9.5/10 on our Comfort Score. This is prime time.
Packing tip: bring t-shirts with a light layer for evenings, something warmer for mornings and evenings, and SPF 50+ sunscreen and a hat.
The full data breakdown is below. You can also see how other Australian cities compare in September.
September at a Glance
Temperature Range
Daily temperature range in September. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Comfortable casual wear suitable for warm days
- Extra layers for chilly nights
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How September in Penrith stacks up against major cities around the world.
About 2 degrees warmer and considerably drier.
About 4 degrees cooler and considerably drier.
About 5 degrees cooler and considerably drier.
How September Compares
Penrith's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 28.3 | 18.4 | 106mm | 6.7 |
| Feb | 28.3 | 18.3 | 90mm | 6.9 |
| Mar | 27.0 | 16.0 | 54mm | 8.1 |
| Apr | 22.6 | 12.0 | 156mm | 8.1 |
| May | 18.8 | 9.7 | 122mm | 4.9 |
| Jun | 15.7 | 6.4 | 96mm | 2.9 |
| Jul | 15.9 | 7.1 | 33mm | 3.9 |
| Aug | 19.5 | 8.1 | 24mm | 7.0 |
| Sep | 22.4 | 8.7 | 38mm | 9.5 |
| Oct | 23.5 | 11.3 | 39mm | 10.0 |
| Nov | 27.6 | 16.2 | 104mm | 7.3 |
| Dec | 31.5 | 17.6 | 64mm | 5.4 |