Cosby
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Cosby Weather in September

Thinking of visiting Cosby in September? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 15°C (59°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Cosby in September

Rain is expected on roughly 12 days, totalling around 107 mm (4.2 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Cosby in September

In September, Cosby sees high temperatures, with highs of 27°C (81°F). Nights drop to around 15°C (59°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 15°C (59°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.

Sunshine in Cosby in September

There are approximately 233 hours of sunshine this month, resulting in mostly clear days.

Should you favor a climate that's both dry and comfortably warm, October typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Cosby Temperature in September

Min Temperature
15°C (59°F)
Max Temperature
27°C (81°F)
Chance of Rain
40%
Precipitation
107 mm (4.2 in)
Rainy days
12 days
Humidity
76% *
Sunshine
233 hours *
Percentage Sunshine
62% *
* Data from: Knoxville, the United States of America (62 KM, 39 Miles).

Cosby Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cosby - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Cosby 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Cosby 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

Cosby 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.