Fresno Weather in September

During September, Fresno experiences very high daytime temperatures of 34°C (93°F) and cooler nights around 17°C (63°F). Rainfall is low, averaging just 0.7 mm (0.03 in) for the month.

Rainfall in Fresno in September

Past climate data indicates that roughly a single day will see rain, totalling around 0.7 mm (0.03 in) for the month. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in Fresno in September

In September, Fresno gets very high temperatures, with highs of 34°C (93°F). Nights cool to around 17°C (63°F). It's usually most comfortable outside during the morning and later in the day. Nights drop to around 17°C (63°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 Fresno in September

The days are predominantly sunny, with an estimated total of around 340 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

September in Fresno can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.