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.