Guadalajara weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: October – March
What is the weather like in Guadalajara in September?
In September, Guadalajara is warm: daytime highs average 26 °C, and nights cool down to about 17 °C. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 21 days, totalling 174 mm. All in all, September is a good month for a holiday in Guadalajara.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 60 | 60 | 83 |
| Day | 27° | 26° | 26° |
| Night | 17° | 17° | 15° |
| Sun | 6 h | 6 h | 7 h |
| Rain days | 25 | 21 | 9 |
More details for September
- Daylight
- 12 h 17 min06:40 – 18:57
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 10 km/haverage daily peakAll months
- Cloud cover
- 77 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−6America/Mexico_City
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %50 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Rain jacket or umbrella
Guadalajara in September: quick answers
Is Guadalajara hot in September?
Warm rather than hot: in September, daytime highs in Guadalajara average 26 °C and nights cool to about 17 °C.
Does it rain much in Guadalajara in September?
It rains often – on about 21 days, adding up to 174 mm.
Guadalajara month by month
The whole year in GuadalajaraAll destinations: MexicoWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences