Hay in September
So, what's Hay actually like in September? In a word: fresh. It's spring, and the days are averaging 20.2 degrees.
The average daily maximum is 20.2 degrees with overnight lows of 8.4 degrees. That's solidly pleasant territory. Great for being outdoors.
September is 3.7 degrees cooler than Hay's yearly average.
The rain data says 21mm over 3 days. Nothing dramatic.
Sunshine-wise, September delivers around 18.4 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 8.1/10 on our Comfort Score. This is prime time.
For your suitcase: layers you can peel on and off, and SPF 50+ sunscreen and a hat.
Scroll down for the detailed climate data, or explore what nearby cities are like 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
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How September in Hay stacks up against major cities around the world.
About 0 degrees warmer and considerably drier.
About 6 degrees cooler and considerably drier.
About 7 degrees cooler and considerably drier.
How September Compares
Hay's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 30.6 | 19.1 | 97mm | 5.8 |
| Feb | 33.0 | 18.7 | 7mm | 5.1 |
| Mar | 30.6 | 17.4 | 44mm | 6.3 |
| Apr | 21.5 | 10.5 | 34mm | 8.6 |
| May | 18.0 | 8.0 | 101mm | 5.1 |
| Jun | 13.8 | 5.0 | 16mm | 2.4 |
| Jul | 14.1 | 5.5 | 22mm | 2.6 |
| Aug | 18.2 | 7.7 | 17mm | 6.0 |
| Sep | 20.2 | 8.4 | 21mm | 8.1 |
| Oct | 24.9 | 12.0 | 33mm | 10.0 |
| Nov | 29.5 | 16.0 | 30mm | 7.2 |
| Dec | 32.0 | 17.9 | 17mm | 5.6 |