Johnson City Weather in September

September in Johnson City brings very high temperatures, with highs of 32°C (90°F) and nights dropping to 19°C (66°F). Rainfall is on the higher side this month, averaging around 120 mm (4.7 in), so keep a rain jacket handy.

Rainfall in Johnson City in September

Expect around 8 days of rain based on historical data, with 120 mm (4.7 in) average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Johnson City in September

September in Johnson City sees highs of 32°C (90°F) and lows of 19°C (66°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With overnight lows of 19°C (66°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 Johnson City in September

Expect sunny days throughout the month, with an estimated 234 hours of sunshine. This makes it a pleasant time to visit Johnson City.

If you prefer enjoying temperate temperatures and rain-free days, February, March, April, October and November typically offer 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 Johnson City's climate page.

Johnson City Temperature in September

Min Temperature 19°C (66°F)  

Max Temperature 32°C (90°F)  

Chance of Rain 27%  

Precipitation 120 mm (4.7 in)  

Rainy days 8 days  

Humidity 68% *  

Sunshine 234 hours *  

Percentage Sunshine 63% *  

* Data from: Austin, the United States of America (68 KM, 42 Miles).

What to Wear in Johnson City 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Johnson City 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 Johnson City's climate page.

More climate data for Johnson City

Temperature Rainfall Sunshine Humidity

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