Monterrey in september: average Weather, Temperature and Climate
Weather in Monterrey in september 2025
The weather in Monterrey in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
74°F
Clear/Sunny
39% of time
27%
18%
10%
Weather at 12pm
85°F
Clear/Sunny
42% of time
25%
23%
8%
Weather at 6pm
83°F
Moderate rain at times
36% of time
27%
23%
15%
Weather at 3am
74°F
35%
32%
22%
10%
Evolution of daily average temperature and precipitation in Monterrey in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Monterrey in september.
The climate of Monterrey in september is tolerable
The climate in september in Monterrey is wet (with 9.9in of rainfall over 13 days). The weather's not getting better compared to the previous month since in august there is an average of 5.9in of rainfall over 9 days.
The climate quite pleasant in that locality this month. The thermometer averaged maximum of 86°F. In the morning the temperature drops to 72°F. Thus, the mean temperature average on this month of september in Monterrey is 79°F. Note that seasonal normals are in contrast with those observed in Monterrey in september with a maximum record of 103°F in 2021 and a minimum record of 58°F in 2010. You can expect to have about 16 days with temperatures over 86°F, or 53 of the month.
In september in Monterrey, the days on average last 12:18. Sunrise is at 06:27 and sets at 18:45.
With good weather conditions, the month of september is advisable to go there.
Monterrey: another month?
If you can push back the dates of your trip, we advise you to go in october to Monterrey. more information
If you can push the dates of your trip to Monterrey forward, the month of october has a better weather forecast than september. more information
September: another location in Mexico?
If you want to go to Mexico in september, there are destinations with better weather than Monterrey:
In september, Bahia Tortugas, Tijuana, Bahía de los Ángeles, El Rosario de Arriba, Laguna del Rey (Coahuila) and Ciudad Juárez have perfect weather.
Furthermore, Chihuahua, Los Cabos, Aguascalientes, Mérida, Querétaro and Yucatán have good weather.
Seasonal average climate and temperature of Monterrey in september
Check below seasonal norms These statistics are generated from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 79°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 72°F | ||||
| Highest record temperature | 103°F (2021) | ||||
| Lowest record temperature | 58°F (2010) | ||||
| Number of days at +86°F | 16 day(s) (53%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 72°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.9in | ||||
| Number of days with rainfall | 13 day(s) (45%) | ||||
| Record daily rainfall | 6.4in (2019) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.13km | ||||
| Cloud cover | 31% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:27 | ||||
| Time of sunset | 18:45 | ||||
| Length of day | 12:18 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Monterrey in september 2024:
79°F to 88°F
79°F to 86°F
77°F to 83°F
76°F to 81°F
76°F to 83°F
76°F to 85°F
76°F to 81°F
74°F to 85°F
70°F to 85°F
76°F to 86°F
76°F to 92°F
77°F to 92°F
77°F to 90°F
77°F to 88°F
76°F to 85°F
72°F to 79°F
72°F to 85°F
72°F to 83°F
72°F to 85°F
72°F to 81°F
74°F to 85°F
74°F to 83°F
74°F to 83°F
72°F to 90°F
74°F to 81°F
72°F to 81°F
67°F to 88°F
70°F to 90°F
74°F to 90°F
72°F to 90°F
Map: other cities in Mexico in september
Cities near Monterrey:
| Montemorelos in september | good weather |
| Saltillo in september | good weather |
| Monclova in september | good weather |
| Reynosa in september | good weather |
| Nuevo Laredo in september | good weather |
| Matehuala in september | good weather |
| Ciudad Victoria in september | good weather |
| Valle Hermoso in september | good weather |
| Ciudad Sabinas in september | good weather |
| El Mezquital in september | good weather |
| Torreón in september | perfect weather |
| Playa Bagdad in september | good weather |
Click over cities on the map for information about the weather in september.
Monterrey
perfect weather
good
tolerable
bad
very bad
Weather data for Monterrey in september:
Weather data for Monterrey for september are derived from an average of the weather forecast since 2009 in Monterrey. There is a margin of error and these forecasts are to be considered as general information only. The weather in Monterrey can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Monterrey.