Typical Weather in Sierra Vista, AZ in September
87° F Avg High
60° F Avg Low
4 Rainy Days
☀️ Temperature Summary
September is a popular time of year to visit, with an inviting climate characterized by warm temperatures. September is one of the warmer months of the year for Sierra Vista, with highs averaging around 87°F. You can expect overnight lows near 60°F most days.
Be ready to seek shade during the day, as mid-day temperatures can be dangerous if you're caught without a way to cool off. If you want to avoid the September heat, you may consider visiting in October instead, when highs are often closer to 80°.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 12% chance of rain for any given day in September. It's one of the rainier months of the year for Sierra Vista, with total rainfall for the month around 1 inches.
Rainfall Throughout the Year
Planning a trip to Sierra Vista? Try our free trip weather planner