Weather for Monterrey in September is typically good with an average maximum temperature of +31°C during the day, and approximately 7 sunny days monthly. Typically, there are about 16 rainy days with the total average precipitation that falls in September around 150 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+31°C
Avg. max. temperature
+9°C
Min.
+40°C
Max.
150 mm
Total precipitation
71%
Avg. humidity
1 m/s
Avg. wind
7 ☀️
Sunny Days
7 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: Monterrey has good weather in September.
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Average temperature in Monterrey in September
Here are the expected maximum, average and minimum temperatures in Monterrey for September based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in September is +35°C with a maximum of +38°C and a minimum of +19°C.
The average maximum temperature goes down 21% by the end of the month, compared with the beginning of the month, from +35°C to +31°C.
Is Monterrey warm or cold in September?
Monterrey is typically hot in September.
Maximum temperatures go down compared to the previous month from +34°C to +31°C. The minimum temperature also goes down from +22°C to +20°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how September is compared to other months in Monterrey:
Climate in Monterrey in September
Monterrey weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+34°C
+31°C
+28°C
Min. temperature
+17°C
+9°C
+4°C
Max. temperature
+41°C
+40°C
+38°C
Rainfall
31 mm
150 mm
54 mm
Wind
1 m/s
1 m/s
1 m/s
Humidity
63%
71%
72%
Air pressure
1012 HPa
1013 HPa
1014 HPa
Sunny days
10
7
10
Cloudy days
10
7
8
Rainy days
11
16
12
Snowy days
0
0
0
September weather is still as good as in August.It’s getting colder in September. From +34°C in the day, the average maximum temperature lowers to +31°C.Prepare for more rain. Average rainfall goes from 31 mm to 150 mm.Humidity rises from 63% to 71%.The average wind speed doesn’t change much during September, staying around 1 m/s.The days becoming less sunny, going from 10 sunny days in August to 7 in September.
October brings much the same weather, it remains good.
Wind speed in Monterrey in September based on historical data.
Last Year
Historical Data
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Monterrey is gradually decreasing during September, going from 2 m/s to 1 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Monterrey based on historical data.
Last Year
Historical Data
Total precipitation in September is about 2355 mm, with a 60% chance of rain on a typical day. The maximum amount of rainfall per day is around 276 mm, which is considered heavy rain.September is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
September is one of the rainiest months in Monterrey, here is a comparison with other months, total mm:
Monterrey wettest month is September, where a typical day has a 53% chance of precipitation and 150 mm of rainfall per day. February, on the other hand, is the driest month with a mere 36% chance of precipitation and 30 mm of rainfall per day.
How was the weather last September in Monterrey?
This is the weather in Monterrey in September 2024:
1 September
☀️
+35°C
2 September
☀️
+36°C
3 September
☀️
+35°C
4 September
☀️
+36°C
5 September
☀️
+37°C
6 September
☀️
+37°C
7 September
☀️
+36°C
8 September
☀️
+36°C
9 September
☀️
+36°C
10 September
☀️
+38°C
11 September
☀️
+38°C
12 September
☀️
+36°C
13 September
☀️
+35°C
14 September
☀️
+36°C
15 September
☀️
+35°C
16 September
☁️
+34°C
17 September
🌧️
+31°C
18 September
☀️
+31°C
19 September
☀️
+33°C
20 September
☀️
+35°C
21 September
☀️
+35°C
22 September
☀️
+35°C
23 September
🌧️
+36°C
24 September
🌧️
+37°C
25 September
🌧️
+36°C
26 September
🌧️
+34°C
27 September
🌧️
+33°C
28 September
☀️
+33°C
29 September
🌧️
+33°C
30 September
☀️
+31°C
In September 2024 Monterrey had 22 sunny days, 1 cloudy days, and 7 rainy days. The average maximum temperature was +35°C, with an absolute maximum of +38°C and a minimum of +31°C. The average humidity was 58%, with a maximum of 89% and a minimum of 22%. The average wind speed was 1 m/s, with a maximum of 6 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change over Years
This is how Monterrey climate have been changing during last 43 years period.
The climate in Monterrey in September has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+26°C) and the highest in 2011 (+30°C). The driest year was 2011 with only 164 mm of rainfall, and the wettest year was 2023 with 3006 mm.
FAQ
Frequently asked questions about the weather in Monterrey in September:
Is September a good time to visit Monterrey?
September is a really good time to go to Monterrey. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Monterrey.
Can you sunbathe in Monterrey in September?
Absolutely, September is hot in Monterrey. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.
Is Monterrey rainy in September?
Monterrey is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Monterrey in September?
Usually, it’s not very sunny in Monterrey in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Monterrey, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
