Mason City Weather in September

September in Mason City brings high temperatures, with highs of 23°C (73°F) and nights dropping to 10°C (50°F). Rainfall is on the higher side this month, averaging around 84 mm (3.3 in), so keep a rain jacket handy.

Rainfall in Mason City in September

Typically, you can expect about 9 days of rain this month, with 84 mm (3.3 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Mason City in September

Mason City has perfect weather in September, with days reaching 23°C (73°F) and nights cooling to 10°C (50°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Mason City in September

The city usually sees around 240 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July, August and September typically offer the best weather for Mason City.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Mason City's climate page.

Mason City Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 30%  

Precipitation 84 mm (3.3 in)  

Rainy days 9 days  

Sunshine 240 hours *  

Percentage Sunshine *  

* Data from: Albert Lea, the United States of America (56 KM, 35 Miles).

What to Wear in Mason City in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Mason City in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Mason City's climate page.

More climate data for Mason City

Temperature Rainfall Sunshine

See the full Mason City climate overview or explore weather in the United States of America.