❮
Today Hourly 7 days 30 days September
❯

September 2026 Weather | Billings, Montana

Tue 9/1
Cloudy Weather
Day 82°
Night 54°
0
Wed 9/2
Cloudy Weather
Day 84°
Night 54°
1
Thu 9/3
Sunny Weather
Day 84°
Night 54°
1
Fri 9/4
Cloudy Weather
Day 82°
Night 52°
1
Sat 9/5
Cloudy Weather
Day 82°
Night 52°
2
Sun 9/6
Cloudy Weather
Day 84°
Night 55°
25
Mon 9/7
Sunny Weather
Day 75°
Night 54°
20
Tue 9/8
Cloudy Weather
Day 84°
Night 54°
Wed 9/9
Cloudy Weather
Day 84°
Night 55°
Thu 9/10
Cloudy Weather
Day 84°
Night 54°
Fri 9/11
Sunny Weather
Day 75°
Night 54°
Sat 9/12
Cloudy Weather
Day 82°
Night 54°
Sun 9/13
Cloudy Weather
Day 82°
Night 54°
Mon 9/14
Sunny Weather
Day 82°
Night 54°
Tue 9/15
Cloudy Weather
Day 82°
Night 52°
Wed 9/16
Rainy Weather
Day 70°
Night 43°
Thu 9/17
Cloudy Weather
Day 64°
Night 37°
Fri 9/18
Sunny Weather
Day 68°
Night 46°
Sat 9/19
Cloudy Weather
Day 79°
Night 48°
Sun 9/20
Cloudy Weather
Day 66°
Night 45°
Mon 9/21
Sunny Weather
Day 77°
Night 50°
Tue 9/22
Sunny Weather
Day 75°
Night 48°
Wed 9/23
Cloudy Weather
Day 70°
Night 46°
Thu 9/24
Cloudy Weather
Day 72°
Night 46°
Fri 9/25
Cloudy Weather
Day 72°
Night 48°
Sat 9/26
Cloudy Weather
Day 75°
Night 50°
Sun 9/27
Cloudy Weather
Day 75°
Night 48°
Mon 9/28
Cloudy Weather
Day 75°
Night 48°
Tue 9/29
Cloudy Weather
Day 75°
Night 48°
Wed 9/30
Cloudy Weather
Day 75°
Night 48°

Explore U.S. Weather Trends

❄️ Coldest Cities in the U.S. – Live Temperature Rankings 🔥 Hottest Cities Today – Real-Time Heat Observations ⚠️ Active Weather Alerts – Warnings, Watches & Advisories 🌪️ Windiest Cities – Highest Sustained Wind Speeds 🌫️ Worst Air Quality – Cities with the Highest AQI 🍃 Best Air Quality – Cities with the Lowest AQI