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United StatesThe weather in September in Alhambra
It's hot in September in Alhambra with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 32°C. At night, you can expect temperatures between 18°C and 21°C.
September is an awesome month to be in Alhambra for sunny weather. You’ll have high temperatures and not much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Alhambra, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 42°C in 2020, Alhambra reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 19°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 27°C.
Rainfall amount
In September, there is an average of 16 mm of precipitation, spread over 2 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in September for Alhambra
Click on any day in September to get detailed info about the usual weather on that day in Alhambra. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Alhambra | New York | |
|---|---|---|
| Average temperature | 30°C | 27°C |
| Max. temperature | 32°C | 31°C |
| Min. temperature | 18°C | -5°C |
| Total precipitation | 16 mm | 57 mm |
| Rainy days | 2 days | 9 days |
Start of September
The month of September starts in Alhambra with hot temps, averaging around 31°C during the day and nights around 21°C.
Mid September
By mid-September, daytime temps drop to around 30°C, with nights around 20°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Alhambra is around 29°C, while nighttime temps are about 19°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
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UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Alhambra for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Alhambra, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Alhambra
Temperature in September in Alhambra over the years
Precipitation charts
These charts show the average amount of precipitation in September in Alhambra, California. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Alhambra
Total precipitation in September in Alhambra over the years
Daily UV index in September in Alhambra
This chart shows the average daily UV index in September in Alhambra, 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.
Weather experiences in September in Alhambra
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Average weather in Alhambra by month
Click on a month below to see detailed weather info for Alhambra. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.