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Álamos Weather in September
September in Álamos averages 35°C (95°F) during the day and 23°C (73°F) at night. Quite a bit of rainfall is typical this month, with around 128 mm (5 in) on average. An umbrella is a good idea.
Rainfall in Álamos in September
Looking at the last 30 years, the data shows about 8 days with rain, averaging 128 mm (5 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Álamos in September
In September, expect very high temperatures in Álamos, with highs of 35°C (95°F) and lows of 23°C (73°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 23°C (73°F), evenings stay pleasantly warm.September in Álamos has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Álamos Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
35°C (95°F)
Chance of Rain
25%
Precipitation
128 mm (5 in)
Rainy days
8 days
Álamos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Álamos - and find the best time to visit.
Daily Historical Temperatures
34-year average (1982-2025)
Based on our historical records, temperatures in Álamos typically stay consistent throughout September, with daily highs averaging around 35°C (95°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 24°C (75°F).
Average temperatures in September
Historical weather records for Álamos in September
Browse day-by-day weather records for Álamos spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Álamos historical weather extremes in September
Based on 22 years of weather observations in Álamos between 2004 and 2026, these are the recorded extremes.
- Álamos recorded its highest September temperature of 45°C (113°F) on September 27, 2024.
- On September 5, 2025, Álamos saw its coldest September day with temperatures maxing out at 25°C (77°F).
- Álamos registered its coldest September night on September 26, 2017, with temperatures dropping to 17°C (63°F).
Best Places in Mexico in September
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Álamos in September
Get ready for hot weather in September! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Álamos in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Álamos 3-Day Forecast
More climate data for Álamos
See the full Álamos climate overview or explore weather in Mexico.
Popular in September
Where to go in September - average daytime high across popular destinations.
Puerto Peñasco
34°C (93°F) Los Cabos
32°C (90°F) Tulum31°C (88°F) Cancún30°C (86°F) Playa del Carmen31°C (88°F) Puerto Vallarta29°C (84°F) San Miguel de Allende
27°C (81°F) Mexico City23°C (73°F) Bucket list
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