Fairfield Weather in September

September in Fairfield brings high temperatures, with daytime highs of 24°C (75°F) and nights around 15°C (59°F). Quite a bit of rainfall is expected, around 94 mm (3.7 in), so pack an umbrella.

Rainfall in Fairfield in September

Past climate data indicates that roughly 9 days will see rain, totalling around 94 mm (3.7 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Fairfield in September

Weather in Fairfield is at its perfect in September. Highs reach 24°C (75°F), while nights settle around 15°C (59°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Fairfield in September

The city usually sees around 218 hours of sunlight, indicating many sunny days — a great month for sightseeing.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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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 15°C (59°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 30%  

Precipitation 94 mm (3.7 in)  

Rainy days 9 days  

Humidity 68% *  

Sunshine 218 hours *  

Percentage Sunshine 59% *  

* Data from: New York City, the United States of America (67 KM, 42 Miles).

What to Wear in Fairfield in September

For Fairfield in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

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

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

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.