Bright in September
September is right in the heart of spring for Bright, and the weather has a definite personality this time of year.
Expect the mercury to hit around 15.9 degrees during the day and settle at 4.8 degrees after dark. Those mornings will have you reaching for a proper jacket.
At 15.9 degrees, September sits 5.1 degrees below the annual average of 21.0 degrees.
You're looking at 72mm of rain across 15 days in a typical September. Moderate, often falling in a few good dumps rather than constant drizzle.
Sunshine-wise, September delivers around 15.6 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: layers you can peel on and off, waterproof gear, and serious sun protection.
Check the data table below for the full picture, or compare Bright 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
- Layered clothing for mild to cool conditions
- A warm jumper or fleece for cool mornings and evenings
- Thermal undergarments for cold nights
- Proper rain gear for frequent showers
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How September in Bright stacks up against major cities around the world.
About 4 degrees cooler and considerably wetter.
About 10 degrees cooler and considerably drier.
About 11 degrees cooler and considerably drier.
How September Compares
Bright's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 28.2 | 14.5 | 147mm | 7.0 |
| Feb | 29.6 | 13.9 | 45mm | 7.0 |
| Mar | 27.9 | 12.2 | 13mm | 8.4 |
| Apr | 20.3 | 7.2 | 45mm | 7.5 |
| May | 17.4 | 4.6 | 60mm | 5.0 |
| Jun | 12.0 | 3.2 | 86mm | 1.0 |
| Jul | 11.4 | 2.3 | 137mm | 1.0 |
| Aug | 14.5 | 4.7 | 106mm | 1.5 |
| Sep | 15.9 | 4.8 | 72mm | 3.8 |
| Oct | 21.4 | 7.7 | 101mm | 8.7 |
| Nov | 25.2 | 11.0 | 203mm | 8.9 |
| Dec | 28.1 | 12.3 | 78mm | 7.8 |