Sunnyside Weather in September
September is one of the perfect months to visit Sunnyside, with daytime temperatures of 26°C (79°F) and lows of 8°C (46°F) at night. Rainfall is minimal, averaging just 8 mm (0.3 in) for the month.
Rainfall in Sunnyside in September
On average, there are about 3 days with rain during this month, averaging 8 mm (0.3 in). The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in Sunnyside in September
September in Sunnyside is generally perfect, with days reaching 26°C (79°F) and nights settling around 8°C (46°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, September and October typically offer the best weather for Sunnyside.
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 Sunnyside's climate page.
Sunnyside Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
26°C (79°F)
Chance of Rain
11%
Precipitation
8 mm (0.3 in)
Rainy days
3 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 Sunnyside in September
Warm but pleasant conditions in Sunnyside in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection.What To Do in Sunnyside 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 Sunnyside's climate page.
See the full Sunnyside climate overview or explore weather in the United States of America.
