Sac City Weather in September

What's the weather like in Sac City (Iowa) in September 2024?

The climate in Sac City during September can be summarized as mild and a little damp.

September is in the fall / autumn in Sac City and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 10°C (50°F) is normal.

Sac City weather averages (imperial / metric)
Daytime temperature 23.6°C 74.5°F
Nightly temperature 10°C 50°F
Average temperature 16.8°C 62.2°F
Daily sunshine 8.5 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 9 days
Sea temperature 18.1°C 64.6°F
Humidity 72%
Windspeed 16.6kph 10 mph

On average September is the 5th wettest month of the year in Sac City with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.5 hours of sunshine per day.

September temperatures in Sac City

Sac City average temperature in September

September rainfall

Sac City average rain in September

September hourly sunshine

Sac City average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sac City in September 2024.