Ankeny Weather in September

In Ankeny, September brings high daytime temperatures around 25°C (77°F), with nights cooling to 12°C (54°F). Expect quite a bit of rainfall this month.

Rainfall in Ankeny in September

Historically, approximately 9 days this month are expected to have rain, averaging 94 mm (3.7 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Ankeny in September

Weather in Ankeny is at its excellent in September. Highs reach 25°C (77°F), while nights settle around 12°C (54°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 12°C (54°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 Ankeny in September

With approximately 240 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Ankeny in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

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