Search Menu

The weather in September in McDonough

It's warm in September in McDonough with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 31°C. At night, you can expect temperatures between 17°C and 22°C.

Looking for sun? September isn’t a good month to be in McDonough. 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 McDonough, 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 37°C in 2019, McDonough 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 9°C to a highest value of 24°C.

Rainfall amount

In September, there is an average of 136 mm of precipitation, spread over 14 days. The wind speed is around 3 Bft, mostly coming from the South.

Daily weather in September for McDonough

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

September weather comparison

  McDonough New York
Average temperature 29°C 27°C
Max. temperature 31°C 31°C
Min. temperature 17°C -5°C
Total precipitation 136 mm 57 mm
Rainy days 14 days 9 days

Start of September

The month of September starts in McDonough 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 30°C, with nights around 21°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 McDonough is around 29°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to McDonough

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 McDonough for all months and discover the best travel time

Temperature charts

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

Daily Temperature in September in McDonough

Temperature in September in McDonough over the years

Precipitation charts

These charts show the average amount of precipitation in September in McDonough, 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 McDonough

Total precipitation in September in McDonough over the years

Daily UV index in September in McDonough

This chart shows the average daily UV index in September in McDonough, 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 McDonough

Have you been to McDonough in September?

Share your weather experience in September in McDonough.

Your email will not be shown in the review and will not be shared with others.

Average weather in McDonough by month

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