Marshalltown Weather in September

September in Marshalltown averages 24°C (75°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 94 mm (3.7 in) on average. An umbrella is a good idea.

Rainfall in Marshalltown in September

You can typically expect 9 days of rain this month, averaging around 94 mm (3.7 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Marshalltown in September

Marshalltown in September has perfect weather. Days reach 24°C (75°F) and nights cool to 11°C (52°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Marshalltown.

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 Marshalltown's climate page.

Marshalltown Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 30%  

Precipitation 94 mm (3.7 in)  

Rainy days 9 days  

What to Wear in Marshalltown 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.

What To Do in Marshalltown in September

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

Cycling

9/10

Walking

9/10

Camping

8/10

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 Marshalltown's climate page.

More climate data for Marshalltown

Temperature Rainfall

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