Travel Weather Fairy🎊 Featured event
Day of the Dead season
📅 Late October–early November
Parades, altars and cultural events can draw large crowds to central Mexico City.
Check official source →🇲🇽 Mexico · Mexico City
Mexico City Weather in September
Peak wet seasonWeather in Mexico City during September is typically mild in the daytime and cool after sunset, based on 2016–2025 averages of 22°C (72°F) / 13°C (55°F). Rain is a major part of trip planning, with about 24 days reaching at least 1 mm of precipitation and roughly 228 mm for the month.
Avg high72.3°F 22.4°CAvg low55.1°F 12.8°CRainy days~24.4 daysMonthly rain227.5 mm
🧳 Packing guide
What to wear in Mexico City in September
For what to wear in Mexico City in September, long sleeves or a T-shirt with a light jacket make a practical combination. Add a compact umbrella or light rain jacket because wet weather is common enough to affect sightseeing.
Travel takeaway: The month can work well for a trip if you are comfortable building indoor alternatives around wetter periods.
🗓️ Travel timing at a glance
Mexico City: 12-month travel weather
Mexico City’s high elevation keeps nights relatively cool. November–April is drier, while afternoon showers are more common from May to October.
JanDry season · CoolFebDry seasonMarDry season · WarmAprHot dry seasonMayWet season beginsJunWet seasonJulWet seasonAugWet seasonSepPeak wet seasonOctLate wet seasonNovTransition to dry seasonDecDry season · Cool
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
Mexico City 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
⚠️ Busy / closure period
Easter holiday period
📅 March–April · dates vary each year
Some institutions change opening hours and domestic travel demand can increase around the holiday.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
Mexico City in September · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ September 2025 · latest complete year☔ 30 days · 285.8 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
22.7°C/13°C
🌧️ 4.8 mm
2
22.3°C/13.6°C
🌧️ 3.8 mm
3
22.6°C/13.3°C
🌧️ 8.8 mm
4
22.8°C/11.8°C
🌧️ 6 mm
5
22.6°C/11.7°C
🌧️ 7.9 mm
6
23.8°C/11.1°C
🌧️ 12.3 mm
7
24.2°C/12.1°C
🌧️ 2 mm
8
23.4°C/13.3°C
🌧️ 2.4 mm
9
23.5°C/13.7°C
🌧️ 12.2 mm
10
23.6°C/13.7°C
🌧️ 14.2 mm
11
22.4°C/12.3°C
🌧️ 5.9 mm
12
22.1°C/13.5°C
🌧️ 15.7 mm
13
22.6°C/12.9°C
🌧️ 18.7 mm
14
22.7°C/13.2°C
🌧️ 2 mm
15
22.8°C/12.6°C
🌧️ 2.6 mm
16
22.5°C/13°C
🌧️ 18.8 mm
17
21.8°C/13°C
🌧️ 30.4 mm
18
22.9°C/12.7°C
🌧️ 3.9 mm
19
24.2°C/13.1°C
🌧️ 1.5 mm
20
23.2°C/12.3°C
🌧️ 13.9 mm
21
24°C/12.4°C
🌧️ 3.7 mm
22
24.7°C/13.5°C
🌧️ 2.5 mm
23
26.1°C/14°C
🌧️ 2.7 mm
24
24.2°C/14°C
🌧️ 17.4 mm
25
21°C/12.9°C
🌧️ 4.7 mm
26
22°C/12.3°C
🌧️ 12.5 mm
27
22.3°C/12.2°C
🌧️ 10.9 mm
28
22.1°C/13.9°C
🌧️ 19.3 mm
29
20.7°C/13.9°C
🌧️ 15.9 mm
30
22°C/14°C
🌧️ 8.4 mm
September 2024☔ 30 days · 285.9 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
23.2°C/13.3°C
🌧️ 15.6 mm
2
23.3°C/13°C
🌧️ 8.3 mm
3
23.7°C/14.1°C
🌧️ 8.7 mm
4
23.7°C/12°C
🌧️ 6.5 mm
5
23.9°C/13.9°C
🌧️ 8.2 mm
6
22.3°C/13.7°C
🌧️ 23.8 mm
7
20.9°C/13.6°C
🌧️ 3.4 mm
8
20.9°C/12.7°C
🌧️ 1 mm
9
22°C/11.2°C
🌧️ 1.3 mm
10
21.2°C/13.9°C
🌧️ 9.4 mm
11
23.1°C/14.7°C
🌧️ 4.6 mm
12
22.3°C/11.3°C
🌧️ 2.2 mm
13
23°C/12.2°C
🌧️ 20.5 mm
14
23.6°C/14.2°C
🌧️ 7.2 mm
15
23.8°C/13°C
🌧️ 8.7 mm
16
23°C/13.1°C
🌧️ 23.2 mm
17
23°C/13.5°C
🌧️ 19.1 mm
18
23.7°C/13.4°C
🌧️ 6.4 mm
19
23.9°C/13.2°C
🌧️ 7.6 mm
20
24.4°C/14.7°C
🌧️ 3.8 mm
21
23.3°C/13.2°C
🌧️ 3.2 mm
22
23.9°C/13.8°C
🌧️ 2.8 mm
23
23.3°C/12.7°C
🌧️ 5.9 mm
24
20°C/13.7°C
🌧️ 2.5 mm
25
21.2°C/13.1°C
🌧️ 8.1 mm
26
16.7°C/13.3°C
🌧️ 19.3 mm
27
17.9°C/13.1°C
🌧️ 26.1 mm
28
21.1°C/11.3°C
🌧️ 15.1 mm
29
20.7°C/13.7°C
🌧️ 6.3 mm
30
21.4°C/12.5°C
🌧️ 7.1 mm
September 2023☔ 13 days · 109.9 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
22.4°C/13.3°C
🌧️ 14.2 mm
2
24.7°C/12.3°C
🌧️ 5.6 mm
3
23.4°C/13.2°C
🌧️ 8.1 mm
4
23.9°C/11.9°C
🌧️ 10.3 mm
5
24.9°C/11.9°C
🌧️ 2.9 mm
6
23.6°C/12.9°C
🌧️ 9.4 mm
7
24.8°C/13.3°C
🌧️ 2.3 mm
8
25°C/12.3°C
No rain
9
24.2°C/10.8°C
No rain
10
24.8°C/11.4°C
🌧️ 1 mm
11
25°C/10.3°C
No rain
12
25°C/10.5°C
No rain
13
25.6°C/12.5°C
No rain
14
26.4°C/12.5°C
No rain
15
25.7°C/14.3°C
🌧️ 4.9 mm
16
23.8°C/13.5°C
🌧️ 10.3 mm
17
22.4°C/13.7°C
🌧️ 11.8 mm
18
22.6°C/13.6°C
🌧️ 17.3 mm
19
23.6°C/12.8°C
🌧️ 9.4 mm
20
25.2°C/11.9°C
No rain
21
25.3°C/11.9°C
No rain
22
26.2°C/12.1°C
No rain
23
27.6°C/11.5°C
No rain
24
27.9°C/9.4°C
No rain
25
27.5°C/10°C
No rain
26
27°C/9.8°C
No rain
27
27.8°C/10°C
No rain
28
27.6°C/10.2°C
No rain
29
27.9°C/11.7°C
No rain
30
27.8°C/12.7°C
No rain
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
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Current Mexico City weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
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Mexico City weather in other months
Switch months to compare the seasonal pattern.