The temperatures in Beaverton in September are comfortable with low of 12°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Beaverton during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Beaverton in September 2025.
If you’re planning to visit Beaverton in the near future, we highly recommend that you review the 14 day weather forecast for Beaverton before you arrive.
Temperatures
25° / 12°
Rainy Days
4
Snowy Days
0
Dry Days
26
Rainfall
78
mm
Sun Hours
7.7
Hrs