Early autumn · Weather & things to do
Healdsburg in September
Little changes in Healdsburg from August: highs stay near 76°F (24°C), lows near 56°F (14°C), and about 0.2 in (5 mm) of rain falls.
At 100/100 for comfort (4th of 12), it's one of the best months to visit.
- Avg high
- 76°F (24°C)
- Avg low
- 56°F (14°C)
- Rain
- 0.2 in (5 mm)
- Humidity
- 62%
- Cloud cover
- 21%
- Daylight
- ~12 h 14 min
- Comfort score
- 100/100 · Great
What September feels like
Warm afternoons near 76°F (24°C) make long days outdoors easy.
After dark, temperatures fall to about 56°F (14°C).
It's one of the drier stretches, with only about 0.2 in (5 mm) of rain.
Clear skies are common, with cloud cover averaging only 21%.
Plan around September
September is one of Healdsburg's best months on the climate data.
- Comfort holds steady from August (100 → 100/100).
- September sits inside the Apr – Oct window our California Wine Country route recommends.
What to pack for September
- Light, breathable clothes76°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Comfortable walking shoesmost picks involve some walking
What to do in Healdsburg in September
With conditions on your side, the picks below favor time outside.
Healdsburg Veterans Memorial Beach
Russian River swimming beach just south of downtown.
Why now Our curated notes say it's best Jun–Sep.
Healdsburg Ridge Open Space Preserve
Short trails through oak woodland to views over the Russian River valley.
Why now September scores 100/100 for comfort, good conditions for being outside.
Dry Creek Vineyard
Family winery since 1972 with picnic lawns and crisp Sauvignon Blanc.
SingleThread
Three-Michelin-star farm restaurant serving a Japanese-inspired tasting menu.
Dry Creek General Store
1881 country store with a deli counter and an old bar.
Nearby in September
- Sonoma in September~31 mi · highs 88°F, 0.1 in rain · 7°C (12°F) warmer by day, about as wet
- Napa in September~33 mi · highs 85°F, 0.1 in rain · 5°C (10°F) warmer by day, about as wet
- San Francisco in September~63 mi · highs 74°F, 0.2 in rain · similar daytime temperatures, about as wet
- Old Sacramento Waterfront in September~74 mi · highs 91°F, 0.2 in rain · 9°C (15°F) warmer by day, about as wet
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.
Healdsburg in September: quick answers
Is September a good time to visit Healdsburg?
Yes. On the climate data it's one of the best months, scoring 100/100. Expect highs of 76°F (24°C) and 0.2 in (5 mm) of rain. September is inside the Apr – Oct window our California Wine Country route recommends.
How hot is Healdsburg in September?
Average highs are 76°F (24°C) and average lows 56°F (14°C), making it the 3rd-warmest month by daytime highs.
Does it rain a lot in Healdsburg in September?
Not much: about 0.2 in (5 mm) of rain falls across September on average, the 3rd-driest month of the year. The annual total is about 36.7 in (931 mm).
What should I pack for Healdsburg in September?
Bring light, breathable clothes (76°F afternoons), sunscreen, sunglasses and a hat (strong sun this month) and comfortable walking shoes (most picks involve some walking).
More on Healdsburg
Routes in season in September
- California Wine Country Apr – Oct
Planning Healdsburg 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.