San Miguel de Allende 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 – April
What is the weather like in San Miguel de Allende in September?
In September, San Miguel de Allende is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 108 mm in total. All in all, September is a good month for a holiday in San Miguel de Allende.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 71 | 70 | 88 |
| Day | 25° | 24° | 24° |
| Night | 15° | 14° | 12° |
| Sun | 7 h | 6 h | 7 h |
| Rain days | 14 | 13 | 6 |
More details for September
- Daylight
- 12 h 17 min06:30 – 18:47
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 70 %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 %45 %
- Few rainy daysweight 30 %36 %
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
- A jumper for the evenings
- Rain jacket or umbrella
San Miguel de Allende in September: quick answers
Is San Miguel de Allende hot in September?
Warm rather than hot: in September, daytime highs in San Miguel de Allende average 24 °C and nights cool to about 14 °C.
Does it rain much in San Miguel de Allende in September?
Rain is frequent, with about 13 rainy days and 108 mm in total.
San Miguel de Allende month by month
The whole year in San Miguel de AllendeAll 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