Penrith in September
September in Penrith is peak spring, and the weather reflects it. You're looking at average daily highs of 22.4 degrees.
Daytime highs average 22.4 degrees, dropping to 8.7 degrees overnight. That's a 14-degree swing between day and night. That's solidly pleasant territory. Great for being outdoors.
At 22.4 degrees, September sits 1.0 degrees below the annual average of 23.4 degrees.
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.
Sunshine-wise, September delivers around 17.8 MJ/m2 of daily solar radiation. UV sits in the very high category. You'll want SPF 50+ and a decent hat.
September earns a 9.5/10 on our Comfort Score. This is prime time.
For your suitcase: a mix of short and long sleeves, something warmer for mornings and evenings, and SPF 50+ sunscreen and a hat.
Check the data table below for the full picture, or compare Penrith in September with another destination.
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
- T-shirts and shorts for daytime
- A warm jumper or fleece for cool mornings and evenings
- 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 |