Monthly climate guide
Ciudad Obregón weather in September
September in Ciudad Obregón is typically very hot, with average daytime highs around 35°C (96°F) and night-time lows near 26°C (78°F). The month usually brings about 87 mm of rain (some rain) and is a mix of sun and cloud. Daytime highs are about the same as August and about the same as October.
What stands out in September
- Just 210 km apart, but Ciudad Obregón runs about 2°C warmer than Los Mochis this month.
- Rain is above Ciudad Obregón's usual level, by about 168%.
- Only 2 months are warmer in Ciudad Obregón than September.
- Nights stay warm, rarely below 26°C — air-conditioning helps.
Avg high
35°C
96°F
Avg low
26°C
78°F
Rainfall
87 mm
some rain
Humidity
65%
relative
Sky
39%
cloud · a mix of sun and cloud
Ciudad Obregón weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 27°C / 80°F | 13°C / 55°F | 7 mm | 44% | 32% |
| February | 28°C / 82°F | 13°C / 56°F | 10 mm | 42% | 36% |
| March | 30°C / 87°F | 15°C / 60°F | 9 mm | 39% | 35% |
| April | 33°C / 91°F | 18°C / 64°F | 2 mm | 37% | 26% |
| May | 35°C / 95°F | 20°C / 68°F | 0 mm | 36% | 17% |
| June | 39°C / 101°F | 25°C / 77°F | 21 mm | 44% | 26% |
| July | 36°C / 96°F | 27°C / 80°F | 104 mm | 60% | 65% |
| August | 35°C / 95°F | 27°C / 80°F | 100 mm | 67% | 59% |
| September | 35°C / 96°F | 26°C / 78°F | 87 mm | 65% | 39% |
| October | 35°C / 94°F | 22°C / 72°F | 23 mm | 53% | 20% |
| November | 30°C / 86°F | 17°C / 63°F | 16 mm | 48% | 33% |
| December | 26°C / 78°F | 13°C / 56°F | 10 mm | 49% | 36% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Sunglasses
Is September a good time to visit Ciudad Obregón?
Compare the months in the chart above to find your ideal window.
Best time to visit Ciudad Obregón →Other Mexico cities in September
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Ciudad Obregón weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/mexico/ciudad-obregon/september
<a href="https://weathercompare.eu/weather/mexico/ciudad-obregon/september">Ciudad Obregón weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/mexico/ciudad-obregon" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Ciudad Obregón weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/mexico/ciudad-obregon/september">Ciudad Obregón weather in September</a> – WeatherCompare</p>
Ciudad Obregón in September: quick answers
Is September a good time to visit Ciudad Obregón?
It can be, if you like heat: September highs in Ciudad Obregón are around 35°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Ciudad Obregón in September?
Average highs are about 35°C (96°F) and average lows about 26°C (78°F), based on 10 years of daily data.
Does it rain a lot in Ciudad Obregón in September?
Ciudad Obregón typically gets around 87 mm of rain in September — some rain.
Figures are long-term averages for the area around Ciudad Obregón (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.