Simi Valley weather in September (California, United States of America)
How is the weather in Simi Valley in September? This guide provides all the details you need.
In Simi Valley the weather in September is generally perfect, characterized by
very high temperatures
and almost no rainfall.
September is a summer month.
Daytime temperatures hover around 30°C,
while nights can cool down to about 16°C.
While these temperatures are typical, some days might be even hotter. Always be prepared for the unexpected spikes in warmth. Dressing in lightweight and breathable outfits will help you stay cool. Don't forget to stay hydrated and wear sun protection to handle the heat better.
Simi Valley in September usually receives almost no rainfall, averaging around 3.8 mm for the month. Rain is expected on roughly 0 days.
With around 278 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.
If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Simi Valley. February, March, April, May, June, July, August, September, October and November typically offer the most agreeable circumstances. On the other hand, January and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Simi Valley climate page with graphs.
Simi Valley, monthly averages in September
Min Temperature
16°C
Max Temperature
30°C
Chance of Rain
1%
Precipitation
3.8 mm
Rainy days
0 days
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 in September and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Simi Valley in September?
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 in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Simi Valley.
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 climate conditions. Find out where to go with our weather planner.
