Burlington, VT

Vermont · Records since 1883–2026

☁️ 59°F Feels like 56°
Currently in Burlington
As of 9:45 PM EDT

Records for September 26

🔥 Record High

91°F

September 26, 2017

+23° from 68° normal

❄ Record Low

27°F

September 26, 1947

-22° from 49° normal
🌞 Normal high: 68°F 🌑 Normal low: 49°F 1991–2020 normals

All-Time Records — Burlington

🔥
101°F
Hottest Day Ever
Aug 11, 1944
❄
-30°F
Coldest Day Ever
Feb 12, 1979
🌧
4.45"
Wettest Day Ever
Jun 14, 1942
☃
25.3"
Most Snow in One Day
Feb 14, 2007

First & Last Dates — Burlington

How early and how late each seasonal turning point has ever arrived, across the full period of record

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Range ever recorded Normal date (1991–2020)
207 days
Longest growing season
1901
112 days
Shortest growing season
1963
158 days
Normal growing season
1991–2020 average

Top 10 Record Highs — September 26

# Temp Date
🏆 91°F September 26, 2017
2 84°F September 26, 1934
3 84°F September 26, 1920
4 82°F September 26, 2020
5 82°F September 26, 2007
6 82°F September 26, 1930
7 81°F September 26, 1970
8 81°F September 26, 1908
9 80°F September 26, 1961
10 80°F September 26, 1933

Top 5 Record Lows — September 26

# Temp Date
🥶 27°F September 26, 1947
2 30°F September 26, 1978
3 30°F September 26, 1925
4 31°F September 26, 1894
5 32°F September 26, 1936
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1883–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Burlington

threshold: 88°F (90th percentile of historical Jun–Aug highs)
4.1
Avg heat wave length
days (historical)
94°
Avg peak temp
during heat waves
10
Dangerous nights 2026
Overnights ≥ 70°F
1
Heat waves 2026
so far

Days ≥ 90°F Per Year

1884–2026
10
2026 so far
7
Avg/year 1970–2025
13
Avg/year (last 10 complete)
26
Most in a year (1949)

Average Daily High by Decade

Full year · complete decades only

Longest Heat Waves — Burlington

# Dates Days Peak Avg High Avg Overnight Low
🏆 Aug 9, 1944 – Aug 17, 1944 9 101°F (Aug 11) 95°F 68°F
2 Jun 24, 1946 – Jul 1, 1946 8 96°F (Jun 29) 92°F 66°F
3 Aug 11, 2002 – Aug 18, 2002 8 96°F (Aug 14) 92°F 67°F
4 Jul 3, 1912 – Jul 10, 1912 8 94°F (Jul 8) 91°F 68°F
5 Jun 11, 1949 – Jun 18, 1949 8 94°F (Jun 13) 91°F 68°F
6 Jul 5, 1988 – Jul 11, 1988 7 97°F (Jul 8) 93°F 67°F
7 Jun 29, 2018 – Jul 5, 2018 7 97°F (Jul 2) 94°F 71°F
8 Jul 3, 1897 – Jul 9, 1897 7 96°F (Jul 5) 93°F 72°F
9 Jun 17, 2020 – Jun 23, 2020 7 96°F (Jun 22) 93°F 65°F
10 Jul 24, 1970 – Jul 30, 1970 7 94°F (Jul 30) 90°F 64°F

Heat Waves Per Year

Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

42
2026 total
above-normal nights
35.5
Avg / summer
1970–2020
69
Most in a summer
1901

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Annual totals and trend across the full period of record · see this year's standing →

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1884–2026)

Blue = above average · tan = below average · gold = 2026 (partial)
Since 1884, annual totals have trended +0.55" per decade, about +7.8" across the record.

Heavy Rain Days Per Year (≥ 1.0")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")

This Year — 2026

How Burlington is tracking against normal, year to date

Daily High Temperature vs Normal

Above normal Below normal

124 of 267 days with data were above the 1991–2020 normal high for their date.

Precipitation, Year to Date

27.59"
2026 YTD
Normal: 27.86"
-0.27"
1.57"
September so far
September normal: 3.67"
-2.10"
4
2026 heavy rain days
Days with ≥ 1.0"

Accumulation vs. Normal

Running total since Jan 1 against the normal pace for the same date · Burlington is 0.27" behind the normal pace

Period Review — Aug 26 – Sep 25, 2026

Any window, evaluated against every other year on record — 31 days

Quick picks: Last 7 days Last 30 days Last 90 days This month
Seasons: Spring (Mar–May) Summer (Jun–Aug) Fall (Sep–Nov)
63.1°F
Average temperature
53rd-warmest of 135
-0.6°
vs. average
Normal: 63.7°F (1991–2020)

Average Temperature by Year — Aug 26 – Sep 25

1892–2026 · 2026 highlighted · trend +0.19° per decade (warming since 1892)

Precipitation by Year — Aug 26 – Sep 25

1884–2025 · 2026 highlighted · trend +0.02" per decade (wetter since 1884)

Warmest Aug 26 – Sep 25 on Record

# Year Avg Temp
1 2015 69.1°F
2 2018 68.3°F
3 2016 68.1°F
4 2021 67.6°F
5 1961 67.6°F
6 2023 67.0°F
7 2024 66.6°F
8 2005 66.2°F
9 1900 66.1°F
10 1895 66.0°F

Coolest Aug 26 – Sep 25 on Record

# Year Avg Temp
1 1963 55.4°F
2 1910 57.3°F
3 1917 57.3°F
4 1938 57.3°F
5 1954 57.4°F
6 1950 57.5°F
7 1978 57.5°F
8 1918 57.6°F
9 1986 58.1°F
10 1956 58.1°F
About this data. Pick any start and end date and this becomes the same kind of review as the Month and Fall tabs, just for exactly the window you asked for — the generalized version of the same engine, evaluated across every year on record. Average temperature is the mean of each day's (high + low) / 2; precipitation is the sum of daily totals. A year missing more than about a fifth of the window's days is excluded from the temperature ranking; any missing day excludes a year from the precipitation ranking, since an unreported day is unreported rain. Ranges that cross from December into January aren't supported yet. Normals are the 1991–2020 mean for the same window.
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