Monterrey Weather in September
What's the weather like in Monterrey (Casanare) in September 2024?
The climate in Monterrey during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Monterrey and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 19°C (65°F) is normal.
| Daytime temperature | 27.8°C 82°F |
|---|---|
| Nightly temperature | 18.5°C 65.2°F |
| Average temperature | 23.1°C 73.6°F |
| Daily sunshine | 4.9 hrs |
| Avg rainfall | 443 mm 17.4 ins |
| Rainy days | 20 days |
| Sea temperature | 27°C 80.7°F |
| Humidity | 82% |
| Windspeed | 9.4kph 6 mph |
On average September is the 5th wettest month of the year in Monterrey with around 443mm 17.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.9 hours of sunshine per day.
September temperatures in Monterrey
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Monterrey in September 2024.
Other monthly averages
Best places to visit in September
Monterrey weather stats
| Hottest month: | February | 29.9°C 85.8°F |
|---|---|---|
| Driest month: | January | 41mm 1.6ins |
| Sunniest month: | January | 7hrs |
| Coldest month: | July | 26.2°C 79.2°F |
| Wettest month: | June | 605mm 23.8ins |
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