Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Poway Weather in September
During September, Poway experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 16°C (61°F). Rainfall is low, averaging just 5 mm (0.2 in) for the month.
Rainfall in Poway in September
Expect around a single day of rain based on historical data, with 5 mm (0.2 in) average. Any rain that does arrive is likely to be fairly light and short-lived.
Temperature in Poway in September
Poway has excellent weather in September, with days reaching 31°C (88°F) and nights cooling to 16°C (61°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Poway in September
There are approximately 253 hours of sunshine this month, resulting in mostly clear days.September in Poway has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Poway Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
31°C (88°F)
Chance of Rain
3%
Precipitation
5 mm (0.2 in)
Rainy days
a single day
Humidity
74% *
Sunshine
253 hours *
Percentage Sunshine
68% *
* Data from: San Diego, the United States of America (30 KM, 18 Miles).
Poway Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Poway - and find the best time to visit.
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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Poway in September
Warm but pleasant conditions in Poway 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Poway in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Poway 3-Day Forecast
More climate data for Poway
Temperature Rainfall Sunshine Humidity
See the full Poway climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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