Hayward Weather in September

September in Hayward brings high temperatures, with daytime highs of 25°C (77°F) and nights around 13°C (55°F). Only 4.2 mm (0.2 in) of rainfall is typical, making it a largely dry month.

Rainfall in Hayward in September

Analyzing past climate data, one can expect approximately a single day of rain, averaging 4.2 mm (0.2 in). On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.

Temperature in Hayward in September

September in Hayward is generally excellent, with days reaching 25°C (77°F) and nights settling around 13°C (55°F). During September, you'll experience the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. 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. This is typically the warmest month of the year, so light summer clothing is a good idea.

Sunshine in Hayward in September

Expect a lot of sunshine this month, with about 270 hours of sun. These sunny conditions add to the overall experience.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August, September and October typically offer the best circumstances for Hayward.