Climateby Month

Burlington, VT weather in September

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

September in Burlington: mild, with frequent rain. Highs 73°F, lows 53°F, about 11 wet days. A great month for outdoor plans.

Normal high
73°F
Normal low
53°F
Wet days
11
3.7 in total
Muggy days
1
dew point 65°F+

How September changes from start to finish

Normal values at the start and end of September
September 1September 30
Normal high78°F66°F
Normal low58°F47°F
Chance of a wet day35%39%
Sunrise / sunset6:15 am / 7:30 pm6:49 am / 6:36 pm
Daylight13.2 h11.8 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 am55°Fdew point 51°F
  2. 9 am62°Fdew point 52°F
  3. Noon68°Fdew point 52°F
  4. 3 pm70°Fdew point 52°F
  5. 6 pm66°Fdew point 53°F
  6. 9 pm60°Fdew point 53°F

NOAA hourly normals (local standard time) from Burlington Intl Airport (3 mi away); average wind 7 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F17 of 30
  • Hot dayshigh 90°F or more1 of 30
  • Muggy daysdaily mean dew point 65°F or more1 of 30
  • Wet daysat least 0.01 in of rain or melted snow11 of 30
  • Notable rainat least 0.10 in7 of 30
  • Freezing nightslow 32°F or below0 of 30
  • Snow on the groundsnow depth 1 in or more0 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 2.5 in and a wet one about 4.7 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, 1991-20202015: average high 79°F
  • Coolest September1991: average high 68°F
  • Wettest September1999: 10.3 in
  • Driest September2008: 1.2 in
  • Highest reading98°F (September 9, 2002)
  • Lowest reading28°F (September 29, 2000)

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 high81°F73°F59°F
Normal low61°F53°F42°F
Wet days121113
Comfortable days12178
Daylight14.0 h12.5 h11.0 h

Highs change by -8°F from August and -14°F into October.

Nearby alternatives in September

How Burlington ranks in September

  • Normal high324th warmest of 378 cities; 1st of 3 in Vermont
  • Wet days337th driest of 378
  • Comfortable days40th most of 342

What to pack for Burlington in September

  • A rain jacket or umbrella – rain on about 11 days

Heating and cooling

September has 134 heating degree days and 66 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.

Questions

How hot is Burlington in September?

The normal high is 73°F and the normal low is 53°F. From 1991 to 2020 the hottest September reading was 98°F (September 9, 2002).

Does it rain a lot in Burlington in September?

About 11 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 1999 (10.3 in); the driest was in 2008 (1.2 in).

Is September a good time to visit Burlington?

September ranks 3rd of 12 months on our comfort score for Burlington (70 out of 100). It has about 17 comfortable days and about 1 day at 90°F or hotter. The best months are May, June and September.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Burlington Intl Airport (USW00014742), 3.1 mi E of the city center, 330 ft (135 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Burlington International Airport (726170-14742), 3.1 mi E of the city center, 332 ft (137 ft higher than the city). Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).