Geyserville Weather in September

During September, Geyserville experiences high daytime temperatures of 30°C (86°F) and cooler nights around 11°C (52°F). Rainfall is low, averaging just 4.3 mm (0.2 in) for the month.

Rainfall in Geyserville in September

Expect around a single day of rain based on historical data, with 4.3 mm (0.2 in) average. If rain does fall, it tends to be a moderate shower rather than anything heavy.

Temperature in Geyserville in September

September is a good time to be in Geyserville. Days are perfect, reaching 30°C (86°F), with nights around 11°C (52°F). This kind of day-to-night contrast is typical for this time of year. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Geyserville in September

Expect a lot of sunshine this month, with about 275 hours of sun. These sunny conditions add to the overall experience.

If you prefer enjoying temperate temperatures and rain-free days, April, May, June and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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 Geyserville's climate page.

Geyserville Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 3%  

Precipitation 4.3 mm (0.2 in)  

Rainy days a single day  

Sunshine 275 hours *  

Percentage Sunshine 77% *  

* Data from: Healdsburg, the United States of America (11 KM, 6 Miles).

What to Wear in Geyserville in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Geyserville 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

10/10

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 Geyserville's climate page.

More climate data for Geyserville

Temperature Rainfall Sunshine

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