The weather in September in Johns Creek

It's warm in September in Johns Creek with an average temperature of 29°C. Temperatures this month range from a low of 26°C to a high of 32°C. At night, you can expect temperatures between 16°C and 21°C.

Looking for sun? September isn’t a good month to be in Johns Creek. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Johns Creek, Georgia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 36°C in 2019, Johns Creek reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 17°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 24°C.

Rainfall amount

In September, there is an average of 119 mm of precipitation, spread over 13 days. The wind speed is around 3 Bft, mostly coming from the Southeast.

Daily weather in September for Johns Creek

Click on any day in September to get detailed info about the usual weather on that day in Johns Creek. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Johns Creek New York
Average temperature 29°C 27°C
Max. temperature 32°C 31°C
Min. temperature 16°C -5°C
Total precipitation 119 mm 57 mm
Rainy days 13 days 9 days

Start of September

The month of September starts in Johns Creek with hot temps, averaging around 31°C during the day and nights around 21°C.

Mid September

By mid-September, daytime temps drop to around 29°C, with nights around 20°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Johns Creek is around 28°C, while nighttime temps are about 18°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Find affordable trips to Johns Creek

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Johns Creek for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Johns Creek, Georgia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Johns Creek

Temperature in September in Johns Creek over the years

Precipitation charts

These charts show the average amount of precipitation in September in Johns Creek, Georgia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Johns Creek

Total precipitation in September in Johns Creek over the years

Daily UV index in September in Johns Creek

This chart shows the average daily UV index in September in Johns Creek, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Johns Creek

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Average weather in Johns Creek by month

Click on a month below to see detailed weather info for Johns Creek. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.