Castaic weather in September (California, United States of America)
What kind of temperatures can you expect in Castaic during September? This guide provides the necessary weather information for your travel plans.
Temperatures
The weather in Castaic is usually perfect in September, characterized by very high temperatures and almost no rainfall. September is part of summer. Expect daytime highs to reach approximately 33°C, with nighttime lows dipping to around 16°C. The average temperatures are warm, but some days will be hotter. Make sure to dress in light, breathable clothing and drink plenty of water.
Precipitation
Castaic in September usually receives almost no rainfall, averaging around 3.9 mm for the month. You can typically expect a single day days of rain this month, based on climate records.Average sunshine
Expect a lot of sunshine this month, with about 278 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.So this is a great month to visit if you prefer dry days with pleasant temperatures. February, March, April, May, June, September, October and November typically offer the most optimal weather. In contrast, August tends to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Castaic climate page with graphs.
Castaic, monthly averages in September
Min Temperature
16°C
Max Temperature
33°C
Chance of Rain
2%
Precipitation
3.9 mm
Rainy days
a single day
Humidity
67% *
Sunshine
278 hours *
Percentage Sunshine
75% *
Where to go 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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Castaic.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
