Hillsboro Weather in September

Hillsboro in September sees high daytime temperatures of 25°C (77°F) and nighttime lows of 10°C (50°F). Moderate rainfall is typical, with around 36 mm (1.4 in) for the month.

Rainfall in Hillsboro in September

The climate data from previous years indicates about 9 days of rain, averaging 36 mm (1.4 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Hillsboro in September

If you're visiting Hillsboro in September, expect excellent temperatures with highs of 25°C (77°F) and overnight lows of 10°C (50°F). September is typically considered a summer month. This kind of day-to-night contrast is typical for this time of year. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Hillsboro in September

The city usually sees around 236 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.