Fairfield Weather in September

September in Fairfield sees daytime temperatures around 33°C (91°F) and lows of 19°C (66°F) at night. With around 68 mm (2.7 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Fairfield in September

Looking at the last 30 years, the data shows about 6 days with rain, averaging 68 mm (2.7 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.

Temperature in Fairfield in September

In September, Fairfield gets very high temperatures, with highs of 33°C (91°F). Nights cool to around 19°C (66°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights drop to around 19°C (66°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.

For Fairfield itself, November generally stands out with 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.