September 2026 Weather | Hillsboro, Oregon

Tue 9/1
Partly Sunny with Showers
Day 73°
Night 57°
61
Wed 9/2
Rainy Weather
Day 64°
Night 54°
91
Thu 9/3
Rainy Weather
Day 66°
Night 48°
62
Fri 9/4
Cloudy Weather
Day 68°
Night 52°
25
Sat 9/5
Partly Sunny with Showers
Day 72°
Night 52°
56
Sun 9/6
Cloudy Weather
Day 73°
Night 52°
55
Mon 9/7
Sunny Weather
Day 75°
Night 52°
0
Tue 9/8
Cloudy Weather
Day 81°
Night 54°
0
Wed 9/9
Cloudy Weather
Day 79°
Night 54°
0
Thu 9/10
Cloudy Weather
Day 79°
Night 54°
0
Fri 9/11
Cloudy Weather
Day 82°
Night 48°
25
Sat 9/12
Rainy Weather
Day 73°
Night 52°
55
Sun 9/13
Cloudy Weather
Day 72°
Night 46°
Mon 9/14
Cloudy Weather
Day 75°
Night 48°
Tue 9/15
Cloudy Weather
Day 73°
Night 48°
Wed 9/16
Rainy Weather
Day 72°
Night 48°
Thu 9/17
Cloudy Weather
Day 70°
Night 46°
Fri 9/18
Cloudy Weather
Day 70°
Night 45°
Sat 9/19
Rainy Weather
Day 70°
Night 48°
Sun 9/20
Rainy Weather
Day 70°
Night 45°
Mon 9/21
Cloudy Weather
Day 70°
Night 43°
Tue 9/22
Cloudy Weather
Day 70°
Night 43°
Wed 9/23
Cloudy Weather
Day 66°
Night 43°
Thu 9/24
Cloudy Weather
Day 66°
Night 41°
Fri 9/25
Rainy Weather
Day 68°
Night 43°
Sat 9/26
Cloudy Weather
Day 70°
Night 43°
Sun 9/27
Stormy Weather
Day 72°
Night 48°
Mon 9/28
Rainy Weather
Day 66°
Night 46°
Tue 9/29
Cloudy Weather
Day 66°
Night 43°
Wed 9/30
Cloudy Weather
Day 73°
Night 46°