Los Altos Weather in September
What's the weather like in Los Altos (Veracruz-Llave) in September 2025?
The climate in Los Altos during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Los Altos and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 31.3°C 88.3°F |
|---|---|
| Nightly temperature | 22.6°C 72.6°F |
| Average temperature | 26.9°C 80.4°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 351 mm 13.8 ins |
| Rainy days | 12 days |
| Sea temperature | 29.3°C 84.7°F |
| Humidity | 80% |
| Windspeed | 8.6kph 5 mph |
On average September is the wettest month of the year in Los Altos with around 351mm 13.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Los Altos
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 Los Altos in September 2025.
Other monthly averages
Best places to visit in September
Los Altos weather stats
| Hottest month: | August | 32.5°C 90.5°F |
|---|---|---|
| Driest month: | March | 27mm 1.1ins |
| Sunniest month: | August | 7.3hrs |
| Coldest month: | January | 22.6°C 72.7°F |
| Wettest month: | September | 351mm 13.8ins |
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