Mexico (Mexico City) · September
Low seasonMexico · North America
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 24° (75°)16– (61–)29 (84) | 26° (79°)20– (68–)31 (88) | 28° (82°)21– (70–)34 (93) | 29° (84°)22– (72–)34 (93) | 29° (84°)22– (72–)35 (95) | 27° (81°)20– (68–)31 (88) | 25° (77°)20– (68–)29 (84) | 25° (77°)20– (68–)29 (84) | 25° (77°)19– (66–)28 (82) | 25° (77°)18– (64–)28 (82) | 24° (75°)18– (64–)29 (84) | 24° (75°)18– (64–)28 (82) |
Ø night, range from coldest to warmest nightØ nightrange | 4° (39°)-2– (28–)9 (48) | 5° (41°)-1– (30–)10 (50) | 7° (45°)1– (34–)12 (54) | 9° (48°)4– (39–)13 (55) | 11° (52°)5– (41–)14 (57) | 12° (54°)7– (45–)14 (57) | 11° (52°)7– (45–)13 (55) | 12° (54°)7– (45–)14 (57) | 12° (54°)7– (45–)13 (55) | 9° (48°)4– (39–)13 (55) | 6° (43°)1– (34–)11 (52) | 4° (39°)-2– (28–)9 (48) |
☀️Sunshine | 9h UV 8 | 10h UV 9 | 11h UV 10 | 11h UV 10 | 10h UV 9 | 8h UV 9 | 8h UV 9 | 8h UV 9 | 7h UV 8 | 8h UV 8 | 9h UV 8 | 8h UV 7 |
🌧Rain Days | 1d14mm (0.6") | 2d24mm (0.9") | 3d26mm (1.0") | 5d54mm (2.1") | 8d81mm (3.2") | 13d174mm (6.9") | 18d213mm (8.4") | 18d212mm (8.4") | 14d158mm (6.2") | 7d100mm (4.0") | 3d28mm (1.1") | 1d9mm (0.3") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Still off-season — flights and hotels significantly cheaper than in October.
September in Mexico (Mexico City) offers acceptable conditions — but it's not among the top travel months. Those looking for ideal weather should visit in February, March, April, May, October, and November.
Daytime highs average 25°C (77°F), cooling to 12°C (54°F) at night (daily average: 17°C (63°F)). Peaks reach around 28°C (82°F), the coldest nights around 7°C (45°F). The sun shines an average of 7 hours per day; there are 14 rain days with 158 mm (6.2 in) total.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed comfortably at this time of year.
The city's rhythm follows the sky: sunshine in the morning, a thunderstorm rolling down the streets in the afternoon, and afterwards everything smells of wet stone. The parks are lush green and visitor numbers are lower. Flexible travellers use the dry hours for museums and markets.
Events & Festivals
- Grito de Independencia15 September (evening)
On the eve of Independence Day, the head of state delivers the "Grito" from the balcony of the National Palace over a packed Zócalo, followed by a concert and fireworks.
Packing list for Mexico (Mexico City) in September
- T-shirts and shorts
- Light jacket for cool evenings
- Sunscreen
- Sunglasses
- Rain jacket and waterproof shoes
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Mexico (Mexico City)?
- September is not an optimal month for Mexico (Mexico City) (Score: 53/100), but it is manageable. For better conditions, consider February, March, April, May, October, and November.
- How warm is it in Mexico (Mexico City) in September?
- In September, Mexico (Mexico City) sees daily highs of 25°C (77°F). Nights cool to 12°C (54°F), with a daily average of 17°C (63°F). Peaks reach around 28°C (82°F), the coldest nights around 7°C (45°F).
- How much rain falls in Mexico (Mexico City) in September?
- In September, Mexico (Mexico City) receives an average of 158 mm (6.2 in) of rain over 14 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Mexico (Mexico City) get in September?
- Mexico (Mexico City) averages 7 sunshine hours per day in September — below the annual average.
