Weather in Guadalajara in September 2025
Average weather
Average temperature in Guadalajara in September
Going from a maximum of +32°C during the day to a minimum of +17°C during the night, the temperature in September averages around +30°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +28°C to +28°C.
Is Guadalajara warm or cold in September?
Guadalajara is typically warm in September.
Maximum temperatures go down compared to the previous month from +28°C to +27°C. The minimum temperature also goes down from +18°C to +17°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Guadalajara:
Climate in Guadalajara in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +27°C | +27°C | ||||
| Min. temperature | ||||||
| +13°C | +9°C | +7°C | ||||
| Max. temperature | ||||||
| +32°C | +32°C | +32°C | ||||
| Rainfall | ||||||
| 190 mm | 150 mm | 55 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 77% | 76% | 69% | ||||
| Air pressure | ||||||
| 1014 HPa | 1013 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 0 | 1 | 6 | ||||
| Cloudy days | ||||||
| 3 | 5 | 11 | ||||
| Rainy days | ||||||
| 26 | 22 | 14 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +28°C in the day, the average maximum temperature lowers to +27°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 190 mm to 150 mm. It feels drier, as humidity decreases from 77% to 76%. The average wind speed doesn’t change much during September, staying around 1 m/s. The good news is there are likely to be more sunny days in September, from 0 to 1.
But maybe it is worth considering traveling in October as the weather gets better.
Wind
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 Guadalajara is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Guadalajara?
Climate Change over Years
The climate in Guadalajara in September has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+27°C) and the highest in 2023 (+30°C). The driest year was 2005 with only 587 mm of rainfall, and the wettest year was 2020 with 1651 mm.
FAQ
Is September a good time to visit Guadalajara?
Can you sunbathe in Guadalajara in September?
Is Guadalajara rainy in September?
Is it sunny in Guadalajara in September?
Other cities in Mexico
Monthly weather in Guadalajara
Source of the data
For this page, we’ve looked at the typical weather in Guadalajara, 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.