When to go · Hermosillo
Hermosillo in September
Avoid month. Listed as a month to avoid: Jun–Sep (extreme heat, 40 °C (104 °F)+).Avoid month. Listed as a month to avoid: Jun–Sep (extreme heat, 104 °F (40 °C)+).
Key facts
- Verdict
- Avoid
- Temperature
- 38°C (100°F)100°F (38°C) / 25°C (76°F)76°F (25°C)
- average high / low
- Rain days
- 5
- Crowds
- Low
- Mexico overall
- Prices
- Low
- Mexico overall
Verdict
Listed as a month to avoid: Jun–Sep (extreme heat, 40 °C (104 °F)+).Listed as a month to avoid: Jun–Sep (extreme heat, 104 °F (40 °C)+).
Is another month better than September?
September is rated avoid. These months rate higher:
Weather in September
- HermosilloHighs around 37.5 °C (100 °F), lows around 24.6 °C (76 °F), rain on about 5 daysHighs around 100 °F (37.5 °C), lows around 76 °F (24.6 °C), rain on about 5 days
Crowds and prices
- Crowds · Mexico overall
- Low
- Prices · Mexico overall
- Low
Mexico overall: Peak hurricane month on both coasts; Independence Day (16 Sep) parties.
Compare two months
Weather, crowds and prices for any two months in Hermosillo, side by side.
Verdict
Sep: Avoid
Jan: Great (better)
Daytime high
Sep: 37.5 °C (100 °F)100 °F (37.5 °C)
Jan: 24.2 °C (76 °F)76 °F (24.2 °C)
Night low
Sep: 24.6 °C (76 °F)76 °F (24.6 °C)
Jan: 10.2 °C (50 °F)50 °F (10.2 °C)
Rain days
Sep: 5
Jan: 2 (better)
Crowds
Sep: Low
Jan: High
Prices
Sep: Low
Jan: High
Festivals listed
Sep: 0
Jan: 0
September: Listed as a month to avoid: Jun–Sep (extreme heat, 40 °C+).
January: Inside Hermosillo's best window: Nov–Mar.
Hermosillo: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen