Sweetwater Weather in September

September in Sweetwater typically sees daytime highs of 28°C (82°F) and nighttime lows of 16°C (61°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Sweetwater in September

Based on our climate data of the past 30 years, about 10 days of rain are anticipated, with 126 mm (5 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Sweetwater in September

In September, Sweetwater gets high temperatures, with highs of 28°C (82°F). Nights cool to around 16°C (61°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Sweetwater in September

Expect sunny days throughout the month, with an estimated 233 hours of sunshine. This makes it a pleasant time to visit Sweetwater.

If you prefer dry days with pleasant temperatures, October typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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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 Sweetwater's climate page.

Sweetwater Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 33%  

Precipitation 126 mm (5 in)  

Rainy days 10 days  

Humidity 76% *  

Sunshine 233 hours *  

Percentage Sunshine 62% *  

* Data from: Knoxville, the United States of America (62 KM, 39 Miles).

What to Wear in Sweetwater in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Sweetwater in September

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

Swimming

9/10

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 Sweetwater's climate page.

More climate data for Sweetwater

Temperature Rainfall Sunshine Humidity

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