United StatesAverage weather for University, Orange County in September
It's warm in September in University, Orange County with an average temperature of 28°C. Temperatures this month range from a low of 24°C to a high of 31°C. At night, you can expect temperatures between 15°C and 21°C.
Start of September
The month of September starts in University, Orange County with hot temps, averaging around 31°C during the day and nights around 20°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers.
Mid September
By mid-September, daytime temps drop to around 28°C, with nights around 19°C. There’s a high chance of precipitation during this time.
Since it cools down at night, it’s a good idea to wear layers.
End of September
By the end of September, the average daytime temperature in University, Orange County is around 26°C, while nighttime temps are about 18°C. There’s a significant chance of many days with precipitation.
Because temperatures drop in the evening, wearing layers is recommended.
In September, there is an average of 224 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
University, Orange County in September |
New York | ||
|---|---|---|---|
 Average temperature |
28°C | 27°C | |
 Max. temperature |
31°C | 31°C | |
| Min. temperature |
24°C | -5°C | |
 Total precipitation |
224 mm | 57 mm | |
| Rainy days |
8 days | 9 days | |
August
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit University, Orange County?
Looking for sun? September isn’t a good month to be in University, Orange County. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 37°C in 2023, University, Orange County reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 15°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 24°C.
Check out the climate of University, Orange County for all months and discover the best travel time
Daily Temperature in September in University, Orange County
This chart shows the average daily high and low temperatures in September for University, Orange County, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in University, Orange County
The chart below shows the average daily precipitation in September for University, Orange County, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 8 days of precipitation in University, Orange County.
Daily UV index in September in University, Orange County
This chart shows the average daily UV index in September in University, Orange County, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in University, Orange County over the years
This chart shows the average temperature in September in University, Orange County, measured in degrees Celsius, over the past few years.
Total precipitation in September in University, Orange County over the years
This chart shows the average precipitation in September in University, Orange County, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for University, Orange County
Click on any day in September to get detailed info about the usual weather on that day in University, Orange County. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in University, Orange County
Have you been to University, Orange County in September?
Share your weather experience in September in University, Orange County.
Average weather in University, Orange County by month
Click on a month below to see detailed weather info for University, Orange County. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of University, Orange County for all months at once
