San Dimas Weather in September
With daytime temperatures of 32°C (90°F) and nighttime lows of 17°C (63°F), September in San Dimas brings very high temperatures during the day. The perfect weather makes it an appealing time to visit.
Rainfall in San Dimas in September
Expect around a single day of rain based on historical data, with 4.9 mm (0.2 in) average. If rain does fall, it tends to be a moderate shower rather than anything heavy.
Temperature in San Dimas in September
The temperature in San Dimas in September is perfect. Daytime highs reach 32°C (90°F), with nights dropping to 17°C (63°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With lows of 17°C (63°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.
Sunshine in San Dimas in September
The month enjoys around 290 hours of sunshine, creating mostly sunny days with good weather conditions.Should you favor a climate that's both dry and comfortably warm, January, February, March, April, May, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 San Dimas's climate page.
San Dimas Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
32°C (90°F)
Chance of Rain
3%
Precipitation
4.9 mm (0.2 in)
Rainy days
a single day
Sunshine
290 hours *
Percentage Sunshine
*
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
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What to Wear in San Dimas in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in San Dimas 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 San Dimas's climate page.
See the full San Dimas climate overview or explore weather in the United States of America.
