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Weather in Mesa for September 2025

Your guide to Mesa weather in September - trends and predictions
  • In general, the average temperature in Mesa at the beginning of September is 39.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 40.7 °F by the end of September.

  • With an average of 3 rainy days, Mesa experiences minimal rainfall in September.

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Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
39°/24°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
24 %
Avg humidity

Mesa in September average weather

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Temperatures trend during September in Mesa

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Thundery outbreaks possible
Thundery outbreaks possible
37° /26° 6.4 mm 8
Sept. 2 Patchy rain possible
Patchy rain possible
38° /27° 0.9 mm 9
Sept. 3 Partly cloudy
Partly cloudy
39° /27° 0 mm 9
Sept. 4 Sunny
Sunny
40° /28° 0 mm 10
Sept. 5 Sunny
Sunny
40° /27° 0 mm 10
Sept. 6 Sunny
Sunny
41° /28° 0 mm 10
Sept. 7 Sunny
Sunny
41° /28° 0 mm 10
Sept. 8 Sunny
Sunny
40° /28° 0 mm 10
Sept. 9 Sunny
Sunny
42° /28° 0 mm 10
Sept. 10 Overcast
Overcast
43° /28° 0 mm 10
Sept. 11 Overcast
Overcast
40° /29° 0 mm 10
Sept. 12 Thundery outbreaks possible
Thundery outbreaks possible
37° /28° 0 mm 9
Sept. 13 Patchy light rain with thunder
Patchy light rain with thunder
37° /25° 1.2 mm 9
Sept. 14 Sunny
Sunny
37° /26° 0.1 mm 9
Sept. 15 Sunny
Sunny
37° /25° 2.8 mm 9
Sept. 16 Sunny
Sunny
38° /23° 0.6 mm 9
Sept. 17 Partly cloudy
Partly cloudy
36° /23° 0 mm 9
Sept. 18 Sunny
Sunny
37° /21° 0 mm 9
Sept. 19 Sunny
Sunny
37° /21° 0 mm 9
Sept. 20 Overcast
Overcast
35° /21° 0 mm 8
Sept. 21 Sunny
Sunny
34° /19° 0 mm 8
Sept. 22 Partly cloudy
Partly cloudy
36° /19° 0 mm 9
Sept. 23 Cloudy
Cloudy
38° /21° 0 mm 9
Sept. 24 Sunny
Sunny
39° /21° 0 mm 9
Sept. 25 Sunny
Sunny
41° /22° 0 mm 10
Sept. 26 Sunny
Sunny
42° /23° 0 mm 10
Sept. 27 Cloudy
Cloudy
42° /24° 0 mm 10
Sept. 28 Cloudy
Cloudy
42° /24° 0 mm 10
Sept. 29 Sunny
Sunny
40° /24° 0 mm 10
Sept. 30 Sunny
Sunny
39° /23° 0 mm 10
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Important Notice
Our weather forecast for Mesa in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mesa forecast closer to your planned date for the most up-to-date weather information.

Mesa in September - FAQ

What are the expected maximum and minimum temperatures in Mesa during September?
With daytime temperatures soaring above 39° and not dropping much below 24° at night, September in Mesa is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Mesa during September?
Expect minimal rainfall in Mesa during September, with a total of 16.4 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Mesa during September?
The average wind speed in Mesa during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Mesa

Explore the daily rainfall trends and prepare for Mesas September weather 💧

UV exposure in Mesa during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Mesa?

Get accurate weather forecasts for Mesa, located at latitude 33.422 and longitude -111.823. Stay updated with localized weather information tailored for Mesa.

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