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Weather in Monterrey for September 2026

Your guide to Monterrey weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Monterrey at the beginning of September is 33.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 30 °C by the end of September.

    • Rain 🌧️

  • Monterrey experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 37.4 mm.

Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/21°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Monterrey Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
35°
2
Light rain shower
30°
3
Sunny
34°
4
Partly cloudy
35°
5
Sunny
36°
6
Partly cloudy
35°
7
Cloudy
30°
8
Cloudy
31°
9
Cloudy
32°
10
Patchy light rain
32°
11
Mist
29°
12
Mist
29°
13
Mist
31°
14
Mist
29°
15
Mist
26°
16
Fog
24°
17
Overcast
26°
18
Fog
28°
19
Fog
28°
20
Fog
30°
21
Mist
31°
22
Patchy rain possible
31°
23
Thundery outbreaks possible
31°
24
Mist
31°
25
Mist
31°
26
Partly cloudy
33°
27
Sunny
31°
28
Mist
26°
29
Cloudy
28°
30
Cloudy
30°

Temperatures trend during September in Monterrey

See the weather trend as well as the moving average line

September weather in Monterrey day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 35° /22° 0 mm 13
2 Sept. Light rain shower
Light rain shower
 30° /23° 10.1 mm 11
3 Sept. Sunny
Sunny
 34° /23° 0 mm 13
4 Sept. Partly cloudy
Partly cloudy
 35° /23° 0 mm 13
5 Sept. Sunny
Sunny
 36° /23° 0 mm 13
6 Sept. Partly cloudy
Partly cloudy
 35° /23° 0 mm 13
7 Sept. Cloudy
Cloudy
 30° /24° 0 mm 9
8 Sept. Cloudy
Cloudy
 31° /22° 0 mm 12
9 Sept. Cloudy
Cloudy
 32° /21° 8.5 mm 12
10 Sept. Patchy light rain
Patchy light rain
 32° /21° 4.4 mm 12
11 Sept. Mist
Mist
 29° /21° 4.8 mm 10
12 Sept. Mist
Mist
 29° /20° 4.8 mm 11
13 Sept. Mist
Mist
 31° /21° 0 mm 10
14 Sept. Mist
Mist
 29° /22° 0.1 mm 6
15 Sept. Mist
Mist
 26° /20° 0 mm 6
16 Sept. Fog
Fog
 24° /20° 1.2 mm 3
17 Sept. Overcast
Overcast
 26° /18° 0 mm 11
18 Sept. Fog
Fog
 28° /20° 3.5 mm 5
19 Sept. Fog
Fog
 28° /22° 0 mm 6
20 Sept. Fog
Fog
 30° /21° 0 mm 9
21 Sept. Mist
Mist
 31° /20° 0 mm 11
22 Sept. Patchy rain possible
Patchy rain possible
 31° /20° 0 mm 11
23 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 31° /22° 0 mm 11
24 Sept. Mist
Mist
 31° /23° 0 mm 9
25 Sept. Mist
Mist
 31° /23° 0 mm 10
26 Sept. Partly cloudy
Partly cloudy
 33° /22° 0 mm 10
27 Sept. Sunny
Sunny
 31° /20° 0 mm 10
28 Sept. Mist
Mist
 26° /20° 0 mm 4
29 Sept. Cloudy
Cloudy
 28° /18° 0 mm 10
30 Sept. Cloudy
Cloudy
 30° /20° 0 mm 10
Next
Important Notice
Our weather forecast for Monterrey 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 Monterrey forecast closer to your planned date for the most up-to-date weather information.
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Monterrey in September - FAQ

What are the expected maximum and minimum temperatures in Monterrey during September?
During September, expect a variety of temperatures with highs around 30° and lows near 21°, suitable for diverse activities and preferences.

How much rainfall should be expected in Monterrey during September?
In September, Monterrey can expect light to moderate rainfall, totaling 37.4 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Monterrey during September?
The average wind speed in Monterrey during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Monterrey

Explore the daily rainfall trends and prepare for Monterreys September weather 💧
Typically, Monterrey has 7 rainy days in September with a total of 37.4 mm of rainfall.

UV exposure in Monterrey during September

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

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Location coordinates Where is Monterrey?

Get accurate weather forecasts for Monterrey, located at latitude 25.675 and longitude -100.318. Stay updated with localized weather information tailored for Monterrey.

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