Sylmar Weather in September
September in Sylmar brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 17°C (63°F). Only 5.4 mm (0.2 in) of rainfall is typical, making it a largely dry month.
Rainfall in Sylmar in September
Rain is expected on roughly a single day, totalling around 5.4 mm (0.2 in) for the month. If rain does fall, it tends to arrive as a fairly heavy shower rather than light drizzle.
Temperature in Sylmar in September
Sylmar in September has perfect weather. Days reach 32°C (90°F) and nights cool to 17°C (63°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Sylmar in September
With approximately 278 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.Should you favor a climate that's both dry and comfortably warm, March, April, May, June, 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 Sylmar's climate page.
Sylmar Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
32°C (90°F)
Chance of Rain
2%
Precipitation
5.4 mm (0.2 in)
Rainy days
a single day
Humidity
67% *
Sunshine
278 hours *
Percentage Sunshine
75% *
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 Sylmar in September
Warm but pleasant conditions in Sylmar 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 Sylmar 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 Sylmar's climate page.
Temperature Rainfall Sunshine Humidity
See the full Sylmar climate overview or explore weather in the United States of America.
