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United StatesThe weather in September in Mesa
It's hot in September in Mesa with an average temperature of 38°C. Temperatures this month range from a low of 35°C to a high of 41°C. At night, you can expect temperatures between 23°C and 29°C.
September isn’t a good month to be in Mesa. The average temperature of 38°C this month is uncomfortably hot for a comfortable stay.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Mesa, Arizona. 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 45°C in 2020, Mesa reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 14°C to a highest value of 32°C.
Rainfall amount
In September, there is an average of 29 mm of precipitation, spread over 5 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in September for Mesa
Click on any day in September to get detailed info about the usual weather on that day in Mesa. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Mesa | New York | |
|---|---|---|
| Average temperature | 38°C | 27°C |
| Max. temperature | 41°C | 31°C |
| Min. temperature | 23°C | -5°C |
| Total precipitation | 29 mm | 57 mm |
| Rainy days | 5 days | 9 days |
Start of September
The month of September starts in Mesa with hot temps, averaging around 39°C during the day and nights around 29°C.
Mid September
By mid-September, daytime temps drop to around 38°C, with nights around 27°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 Mesa is around 36°C, while nighttime temps are about 25°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
UV index
The UV index is a maximum of 9 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 Mesa for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Mesa, Arizona. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Mesa
Temperature in September in Mesa over the years
Precipitation charts
These charts show the average amount of precipitation in September in Mesa, Arizona. 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 Mesa
Total precipitation in September in Mesa over the years
Daily UV index in September in Mesa
This chart shows the average daily UV index in September in Mesa, 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 Mesa
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Average weather in Mesa by month
Click on a month below to see detailed weather info for Mesa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.