Cooma in September
Planning a trip to Cooma in September? Here's the honest weather briefing for what spring looks like on the ground.
Daytime highs average 15.1 degrees, dropping to 3.0 degrees overnight. That's a 12-degree swing between day and night. Those mornings will have you reaching for a proper jacket.
At 15.1 degrees, September sits 3.2 degrees below the annual average of 18.3 degrees.
Rainfall in September averages 24mm over about 4 days. That means roughly a 13% chance of rain on any given day, so you can leave the umbrella at the hotel.
Sunshine-wise, September delivers around 17.6 MJ/m2 of daily solar radiation. UV sits in the very high category. You'll want SPF 50+ and a decent hat.
With a Comfort Score of 3.8/10, September is not the most comfortable time to visit.
For your suitcase: a decent jumper or fleece, something warmer for mornings and evenings, and serious sun protection.
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
- A jumper or light cardigan for flexibility
- Extra layers for chilly nights
- Thermal undergarments for cold nights
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How September in Cooma stacks up against major cities around the world.
About 5 degrees cooler and considerably drier.
About 11 degrees cooler and considerably drier.
About 12 degrees cooler and considerably drier.
How September Compares
Cooma's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 24.5 | 12.8 | 110mm | 9.8 |
| Feb | 25.3 | 12.1 | 57mm | 9.8 |
| Mar | 23.5 | 10.2 | 18mm | 10.0 |
| Apr | 17.1 | 6.3 | 42mm | 5.2 |
| May | 13.3 | 3.8 | 56mm | 1.6 |
| Jun | 9.1 | 1.1 | 42mm | 1.0 |
| Jul | 9.2 | 0.6 | 28mm | 1.0 |
| Aug | 13.6 | 2.2 | 18mm | 1.8 |
| Sep | 15.1 | 3.0 | 24mm | 3.8 |
| Oct | 18.8 | 5.3 | 42mm | 7.1 |
| Nov | 23.8 | 10.9 | 94mm | 10.0 |
| Dec | 25.8 | 11.4 | 44mm | 9.6 |