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 perfect 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.

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• January
• February
• March
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• May
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• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Poway's climate page.

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).

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.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Poway's climate page.

More climate data for Poway

Temperature Rainfall Sunshine Humidity

See the full Poway climate overview or explore weather in the United States of America.