Climateby Month

Macon, GA weather in September

NOAA 1991-2020 normals and daily records · Macon all year

Expect hot, often humid weather with some rain in Macon in September, with highs near 88°F and lows near 65°F. Rain falls on about 7 days.

Normal high
88°F
Normal low
65°F
Wet days
7
3.7 in total
Muggy days
18
dew point 65°F+

How September changes from start to finish

Normal values at the start and end of September
September 1September 30
Normal high90°F84°F
Normal low69°F60°F
Chance of a wet day27%23%
Sunrise / sunset7:09 am / 7:59 pm7:28 am / 7:20 pm
Daylight12.8 h11.9 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical September day

  1. 6 am66°Fdew point 64°F
  2. 9 am74°Fdew point 66°F
  3. Noon83°Fdew point 65°F
  4. 3 pm85°Fdew point 64°F
  5. 6 pm81°Fdew point 65°F
  6. 9 pm72°Fdew point 66°F

NOAA hourly normals (local standard time) from Macon Middle Ga Rgnl Airport (11 mi away); average wind 5 mph; clear or few clouds in 59% of daytime hours, mostly cloudy or overcast in 29%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F2 of 30
  • Hot dayshigh 90°F or more11 of 30
  • Muggy daysdaily mean dew point 65°F or more18 of 30
  • Wet daysat least 0.01 in of rain or melted snow7 of 30
  • Notable rainat least 0.10 in4 of 30
  • Freezing nightslow 32°F or below0 of 30

Average days per September, counted from daily records for each year 1991-2020.

Rain in September

Normal precipitation is 3.7 in; a dry September brings about 1.6 in and a wet one about 3.9 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.

How September varies from year to year

  • Warmest September, 1991-20202019: average high 96°F
  • Coolest September2000: average high 82°F
  • Wettest September2004: 12.7 in
  • Driest September2005: 0.02 in
  • Highest reading103°F (September 17, 2019)
  • Lowest reading44°F (September 30, 2006)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

September compared with August and October

AugustSeptemberOctober
Normal high92°F88°F79°F
Normal low71°F65°F53°F
Wet days1076
Comfortable days0212
Daylight13.3 h12.4 h11.4 h

Highs change by -4°F from August and -9°F into October.

Nearby alternatives in September

How Macon ranks in September

  • Normal high106th warmest of 378 cities; 2nd of 8 in Georgia
  • Wet days153rd driest of 378
  • Comfortable days269th most of 342

What to pack for Macon in September

  • Light, breathable clothing – highs near 88°F and about 18 muggy days

Heating and cooling

September has 3 heating degree days and 339 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.

Questions

How hot is Macon in September?

The normal high is 88°F and the normal low is 65°F. From 1991 to 2020 the hottest September reading was 103°F (September 17, 2019).

Does it rain a lot in Macon in September?

About 7 days in September have at least 0.01 in of precipitation, and the normal total is 3.7 in. The wettest September in 1991-2020 was in 2004 (12.7 in); the driest was in 2005 (0.02 in).

Is September a good time to visit Macon?

September ranks 9th of 12 months on our comfort score for Macon (45 out of 100). It has about 2 comfortable days and about 11 days at 90°F or hotter. The best months are March, April and November.

Where the numbers come from

  • Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Macon Middle Ga Rgnl Airport (USW00003813), 11 mi S of the city center, 343 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Juliette (USC00094728), 21 mi NNW of the city center, 450 ft (80 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Middle Georgia Regional Airport (722170-03813), 11 mi S of the city center, 343 ft . Hourly observations, 1991-2020.