Sebastopol Weather in September

Sebastopol in September averages 29°C (84°F) during the day and 9°C (48°F) at night. Minimal rainfall is typical for this time of year.

Rainfall in Sebastopol in September

Expect around 2 days of rain based on historical data, with 4.9 mm (0.2 in) average. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.

Temperature in Sebastopol in September

September tends to be one of the perfect months in Sebastopol, with 29°C (84°F) in the afternoon and 9°C (48°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. It's the warmest month of the year on average, so summer clothing is the way to go.

Sunshine in Sebastopol in September

Enjoy a sunny month with about 275 hours of sunshine, the clear skies make Sebastopol even more beautiful.

If your ideal day consists of dry skies and pleasant temperatures, April, May, June, July, August, September and October typically offer the best circumstances for Sebastopol.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Sebastopol's climate page.

Sebastopol Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 7%  

Precipitation 4.9 mm (0.2 in)  

Rainy days 2 days  

Sunshine 275 hours *  

Percentage Sunshine 77% *  

* Data from: Healdsburg, the United States of America (23 KM, 14 Miles).

What to Wear in Sebastopol in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Sebastopol in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

5/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Sebastopol's climate page.

More climate data for Sebastopol

Temperature Rainfall Sunshine

See the full Sebastopol climate overview or explore weather in the United States of America.