Fort Smith Weather in September

September in Fort Smith brings high temperatures, with daytime highs of 30°C (86°F) and nights around 18°C (64°F). Quite a bit of rainfall is expected, around 121 mm (4.8 in), so pack an umbrella.

Rainfall in Fort Smith in September

You can expect rain on roughly 8 days based on historical data, averaging 121 mm (4.8 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Fort Smith in September

In September, expect high temperatures in Fort Smith, with highs of 30°C (86°F) and lows of 18°C (64°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

If your ideal day consists of dry skies and pleasant temperatures, April, May, October and November typically offer the best circumstances for Fort Smith.

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• January
• February
• March
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• May
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• October
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• December

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

Fort Smith Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 27%  

Precipitation 121 mm (4.8 in)  

Rainy days 8 days  

What to Wear in Fort Smith in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Fort Smith in September

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

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 Fort Smith's climate page.

More climate data for Fort Smith

Temperature Rainfall

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