Fairfield Weather in September

Thinking of visiting Fairfield in September? Expect very high temperatures reaching 30°C (86°F) during the day, dropping to 13°C (55°F) at night, with minimal rainfall.

Rainfall in Fairfield in September

Historically, approximately a single day this month are expected to have rain, averaging 3.9 mm (0.2 in). On the rare occasion it rains this month, it usually amounts to very little.

Temperature in Fairfield in September

Weather in Fairfield is at its excellent in September. Highs reach 30°C (86°F), while nights settle around 13°C (55°F). It's usually most comfortable outside during the morning and later in the day. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Fairfield in September

The days are predominantly sunny, with an estimated total of around 347 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

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

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• 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 Fairfield's climate page.

Fairfield Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 3%  

Precipitation 3.9 mm (0.2 in)  

Rainy days a single day  

Humidity 57% *  

Sunshine 347 hours *  

Percentage Sunshine 93% *  

* Data from: Sacramento, the United States of America (60 KM, 37 Miles).

What to Wear in Fairfield 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 Fairfield 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 Fairfield's climate page.

More climate data for Fairfield

Temperature Rainfall Sunshine Humidity

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