Hillsboro Weather in September
September in Hillsboro averages 26°C (79°F) during the day and 13°C (55°F) at night. Quite a bit of rainfall is typical this month, with around 83 mm (3.3 in) on average. An umbrella is a good idea.
Rainfall in Hillsboro in September
Records from the past 30 years suggest around 10 days of rain, with 83 mm (3.3 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Hillsboro in September
September tends to be one of the perfect months in Hillsboro, with 26°C (79°F) in the afternoon and 13°C (55°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Hillsboro.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hillsboro's climate page.
Hillsboro Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
26°C (79°F)
Chance of Rain
33%
Precipitation
83 mm (3.3 in)
Rainy days
10 days
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Hillsboro in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Hillsboro in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hillsboro's climate page.
See the full Hillsboro climate overview or explore weather in the United States of America.
