Fairfield Weather in September

Fairfield in September averages 27°C (81°F) during the day and 13°C (55°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Fairfield in September

The climate data from previous years indicates about 9 days of rain, averaging 89 mm (3.5 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Fairfield in September

The perfect temperature in Fairfield in September makes it a solid month to visit, with 27°C (81°F) during the day and 13°C (55°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 13°C (55°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 Fairfield in September

The city usually sees around 231 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September and October typically offer the best weather for Fairfield.

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• January
• February
• March
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• May
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• August

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• 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 27°C (81°F)  

Chance of Rain 30%  

Precipitation 89 mm (3.5 in)  

Rainy days 9 days  

Humidity 72% *  

Sunshine 231 hours *  

Percentage Sunshine 63% *  

* Data from: Cincinnati, the United States of America (27 KM, 17 Miles).

What to Wear in Fairfield 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Fairfield in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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.