Mexico City · Mexico
Greater Mexico City in September
In September, Greater Mexico City averages a daytime high of 21 °C and a night-time low of 9 °C, with about 203 mm of rain over the month. It falls outside Greater Mexico City's most comfortable months, November to April.
- Average high
- 21 °C
- Average low
- 9 °C
- Rain in the month
- 203 mm
- Daylight on 15 Sep
- 12 h 10 min
- Comfortable month
- No
- Places to stay
- 208
When to go
How September compares with the rest of the year in Greater Mexico City
September is tied for the 9th warmest month in Greater Mexico City by average daytime high; across the year the highs run from 20 °C to 25 °C and the lows from 2 °C to 9 °C. By day, September is 1 °C cooler than August, and October is 1 °C warmer than September.
September brings 203 mm of rain, more than the monthly average of 92 mm (1109 mm a year); it is the 3rd wettest month.
On 15 September the sun is up for about 12 h 10 min, against 11 h at the shortest and 13 h 20 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 20 °C | 2 °C | 14 mm | Yes |
| February | 22 °C | 3 °C | 5 mm | Yes |
| March | 24 °C | 5 °C | 14 mm | Yes |
| April | 25 °C | 6 °C | 32 mm | Yes |
| May | 25 °C | 8 °C | 83 mm | |
| June | 23 °C | 9 °C | 184 mm | |
| July | 22 °C | 9 °C | 215 mm | |
| August | 22 °C | 9 °C | 241 mm | |
| September | 21 °C | 9 °C | 203 mm | |
| October | 22 °C | 6 °C | 85 mm | |
| November | 21 °C | 4 °C | 28 mm | Yes |
| December | 20 °C | 2 °C | 6 mm | Yes |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is September a good time to visit Greater Mexico City?
Not by the measure used here: about 203 mm of rain is 80 mm or more. The comfortable months in Greater Mexico City are November to April; the nearest are April, before, and November, after.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in Mexico in September
Nationwide public holidays; shops and offices may close on these dates.
Where to stay
Where to stay in Greater Mexico City
This guide lists 208 places to stay in Greater Mexico City, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 30; 1–3 km, 58; 3–10 km, 120.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from the OpenHolidays API (ODbL); places to stay from each operator's own public pages and Wikidata. How this guide is made.