Early autumn · Weather & things to do
Old Sacramento Waterfront in September
Old Sacramento Waterfront cools off: highs slip to 91°F (33°C), from 96°F in August, with lows of 59°F (15°C) and about 0.2 in (4 mm) of rain.
Our comfort score puts it mid-table at 76/100, 8th of 12.
- Avg high
- 91°F (33°C)
- Avg low
- 59°F (15°C)
- Rain
- 0.2 in (4 mm)
- Humidity
- 42%
- Cloud cover
- 15%
- Daylight
- ~12 h 14 min
- Comfort score
- 76/100 · Great
What September feels like
Afternoons run hot at about 91°F (33°C), which leaves mornings and evenings as the time for walking.
There's a big swing between day and night, about 18°C (32°F), so mornings and evenings feel much cooler than the afternoon.
It's one of the drier stretches, with only about 0.2 in (4 mm) of rain.
Clear skies are common, with cloud cover averaging only 15%.
Plan around September
September sits mid-table; the best months are March – May and October & November.
- Comfort improves from 65/100 in August to 76/100.
- Our Sacramento New Year's Eve route is planned for Dec 30 – Jan 1, a window set by the holiday season rather than the weather — September falls outside it.
What to pack for September
- Light, breathable clotheshighs average 91°F
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningsnights drop to 59°F
- Comfortable walking shoesmost picks involve some walking
What to do in Old Sacramento Waterfront in September
Afternoons run hot (91°F), so these picks mix early-start outdoor spots with cool indoor breaks.
Old Sacramento State Historic Park
Blocks of Gold Rush-era brick buildings, wooden boardwalks and shops along the river, strung with lights for the holidays.
Why now September scores 76/100 for comfort, good conditions for being outside.
California State Railroad Museum
Restored locomotives and rail cars in a big hall at the north end of Old Sac, including a sleeper car you can walk through.
Why now A break from 91°F afternoons.
River Walk Park
A riverside path in West Sacramento with a straight-on view of Tower Bridge and the Old Sacramento waterfront.
Why now Highs near 91°F and 0.2 in of monthly rain make this an easy outdoor pick.
Countdown on the Cobblestones
Old Sacramento's free New Year's Eve party, with bands and DJs on K and Front streets and a 9 p.m. fireworks and light show.
Nearby in September
- Napa in September~42 mi · highs 85°F, 0.1 in rain · 3°C (6°F) cooler by day, about as wet
- Sonoma in September~55 mi · highs 88°F, 0.1 in rain · 2°C (3°F) cooler by day, about as wet
- Healdsburg in September~74 mi · highs 76°F, 0.2 in rain · 9°C (15°F) cooler by day, about as wet
- San Francisco in September~75 mi · highs 74°F, 0.2 in rain · 9°C (17°F) cooler by day, about as wet
These averages also cover Capitol Park & Midtown.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Old Sacramento Waterfront in September: quick answers
Is September a good time to visit Old Sacramento Waterfront?
It's middling, scoring 76/100. The best months are March – May and October & November, at up to 100. Expect highs of 91°F (33°C) and 0.2 in (4 mm) of rain.
How hot is Old Sacramento Waterfront in September?
Average highs are 91°F (33°C) and average lows 59°F (15°C), making it the 3rd-warmest month by daytime highs.
Does it rain a lot in Old Sacramento Waterfront in September?
Not much: about 0.2 in (4 mm) of rain falls across September on average, the 3rd-driest month of the year. The annual total is about 22.3 in (567 mm).
What should I pack for Old Sacramento Waterfront in September?
Bring light, breathable clothes (highs average 91°F), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (nights drop to 59°F) and comfortable walking shoes (most picks involve some walking).
More on Old Sacramento Waterfront
Planning Old Sacramento Waterfront in September?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.