Guanajuato 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 Guanajuato in September?
In September, Guanajuato is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. Expect around 6 hours of sunshine a day. It rains often – on about 14 days, adding up to 132 mm. All in all, September is a good month for a holiday in Guanajuato.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 67 | 68 | 88 |
| Day | 25° | 23° | 24° |
| Night | 14° | 14° | 12° |
| Sun | 7 h | 6 h | 7 h |
| Rain days | 16 | 14 | 7 |
More details for September
- Daylight
- 12 h 17 min06:32 – 18:49
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 69 %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 %26 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Guanajuato in September: quick answers
Is Guanajuato hot in September?
Warm rather than hot: in September, daytime highs in Guanajuato average 23 °C and nights cool to about 14 °C.
Does it rain much in Guanajuato in September?
It rains often – on about 14 days, adding up to 132 mm.
Guanajuato month by month
The whole year in GuanajuatoAll 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