Sacramento in September
In September, Sacramento averages 33°C (92°F) during the day and 16°C (60°F) at night, with only about 1 rainy day.
Off-peakConditions are very hot — early-morning and evening sightseeing recommended. Skies are generally dry and clear.
It's peak hurricane season in Sacramento during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How September compares to the rest of the year in Sacramento
September is in the middle of the year for warmth in Sacramento (4th of 12) and one of the driest months (10th of 12). Daytime temperature runs 8°C above the annual average (25°C). September runs 3°C cooler than August (36°C) and cools 6°C in October (27°C).
September sunrise & sunset in Sacramento
Times shown for Sacramento local time (America/Los_Angeles), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Sacramento — September
Golden-hour and blue-hour windows for the 15th of September, in Sacramento's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Sacramento in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Off-peak) and Sacramento's popularity.
Crowds & pricing — September in Sacramento
This is off-peak for Sacramento — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: peak hazard season (1 active)
Sun & mosquito risk — September in Sacramento
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sacramento in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 15°C / 58°F | 5°C / 40°F | 118 mm | 9 | — |
| February | 17°C / 62°F | 5°C / 41°F | 96 mm | 7 | — |
| March | 19°C / 67°F | 7°C / 45°F | 102 mm | 11 | — |
| April | 24°C / 75°F | 10°C / 49°F | 37 mm | 5 | — |
| May | 29°C / 84°F | 13°C / 55°F | 18 mm | 4 | — |
| June | 34°C / 94°F | 16°C / 60°F | 5 mm | 1 | — |
| July | 37°C / 98°F | 17°C / 62°F | 1 mm | 0 | — |
| August | 36°C / 97°F | 17°C / 62°F | 1 mm | 0 | — |
| September | 33°C / 92°F | 16°C / 60°F | 11 mm | 1 | — |
| October | 27°C / 81°F | 12°C / 54°F | 36 mm | 3 | — |
| November | 19°C / 65°F | 7°C / 44°F | 51 mm | 7 | — |
| December | 14°C / 56°F | 5°C / 40°F | 132 mm | 11 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Sacramento in September →
Frequently asked questions
How hot is Sacramento in September?
In September, Sacramento averages a high of 33°C (92°F) and a low of 16°C (60°F) — generally hot.
Does it rain a lot in Sacramento in September?
September is generally dry in Sacramento, with about 1 rainy day on average.
Is September a good time to visit Sacramento?
September is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Sacramento in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full September packing list for Sacramento for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.