Bangor, ME

Maine · Records since 1925–2026

☀️ 76°F Feels like 71°
Currently in Bangor
As of 2:15 PM EDT

Records for September 7

🔥 Record High

99°F

September 7, 1945

+25° from 74° normal

❄ Record Low

33°F

September 7, 1942

-19° from 52° normal
🌞 Normal high: 74°F 🌑 Normal low: 52°F 1991–2020 normals

All-Time Records — Bangor

🔥
104°F
Hottest Day Ever
Aug 19, 1935
❄
-32°F
Coldest Day Ever
Feb 10, 1948
🌧
6.40"
Wettest Day Ever
Dec 14, 1927
☃
30.0"
Most Snow in One Day
Dec 14, 1927

Top 10 Record Highs — September 7

# Temp Date
🏆 99°F September 7, 1945
2 90°F September 7, 1983
3 90°F September 7, 1948
4 89°F September 7, 2015
5 88°F September 7, 2023
6 88°F September 7, 2007
7 88°F September 7, 1998
8 85°F September 7, 1996
9 85°F September 7, 1933
10 84°F September 7, 2002

Top 5 Record Lows — September 7

# Temp Date
🥶 33°F September 7, 1942
2 38°F September 7, 1962
3 40°F September 7, 2009
4 40°F September 7, 1984
5 41°F September 7, 2000
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 1925–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Bangor

threshold: 88°F (90th percentile of historical Jun–Aug highs)
3.9
Avg heat wave length
days (historical)
94°
Avg peak temp
during heat waves
2
Dangerous nights 2026
Overnights ≥ 70°F
2
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

121 of 249 days with data were above the 1991–2020 normal high for their date.

Days ≥ 90°F Per Year

1926–2026
4
2026 so far
7
Avg/year 1970–2025
6
Avg/year (last 10 complete)
36
Most in a year (1937)

Average Daily High by Decade

Full year · complete decades only

Longest Heat Waves — Bangor

# Dates Days Peak Avg High Avg Overnight Low
🏆 Aug 21, 1948 – Aug 30, 1948 10 103°F (Aug 22) 95°F 66°F
2 Aug 4, 1937 – Aug 13, 1937 10 97°F (Aug 7) 92°F 66°F
3 Jul 31, 1938 – Aug 9, 1938 10 97°F (Aug 6) 92°F 65°F
4 Aug 11, 2002 – Aug 19, 2002 9 95°F (Aug 13) 92°F 63°F
5 Jul 4, 1937 – Jul 11, 1937 8 97°F (Jul 8) 92°F 64°F
6 Aug 28, 1937 – Sep 4, 1937 8 96°F (Aug 31) 94°F 62°F
7 Aug 15, 1935 – Aug 21, 1935 7 104°F (Aug 19) 96°F 64°F
8 Aug 11, 1944 – Aug 17, 1944 7 100°F (Aug 12) 97°F 62°F
9 Aug 5, 1949 – Aug 11, 1949 7 95°F (Aug 9) 93°F 64°F
10 Aug 16, 1937 – Aug 21, 1937 6 97°F (Aug 18) 93°F 62°F

Heat Waves Per Year

Warm Summer Nights (Jun–Aug)

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

48
2026 total
above-normal nights
44.0
Avg / summer
1970–2020
64
Most in a summer
1973

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Actual vs. 1991–2020 full-month and full-season normals

18.24"
2026 YTD
Normal: 26.49"
-8.25"
0.58"
September so far
September normal: 3.76"
-3.18"
3
2026 heavy rain days
Days with ≥ 1.0"

2026 Accumulation vs. Normal

Running total since Jan 1 against the normal pace for the same date · Bangor is 8.25" behind the normal pace

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1925–2026)

Blue = above average · tan = below average · gold = 2026 (partial)
Since 1925, annual totals have trended +0.86" per decade, about +8.6" across the record.

Heavy Rain Days Per Year (≥ 1.0")

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

Month in Review — August 2026

70.3°F

Average temperature · August 2026

45th-warmest month on record

12th-warmest August of 96 on record

+2.3° vs. 68.0° average (1991–2020)
75.1°F
Warmest month ever
August 1937
75.1°F
Warmest August ever
1937
2
Days ≥ 90°F
in August
93°F
Hottest of 2026
Jul 2

Longest 90°F Streak in August

2 consecutive days with highs of at least 90°F (Aug 6–7, 2026, peaking at 92°F)

The longest August streak since 2025 (1 year). The August record is 7 days, set in 1944.

Average August Temperature by Year

1927–2026 · 2026 highlighted · trend +0.08° per decade (warming since 1927)

Precipitation — August 2026

Month total against the 1991–2020 average and every other August on record

1.25"
Total precipitation
August 2026
-1.80"
vs. average
Normal: 3.05" · 41% of normal
13th-driest
August rank
of 92 on record
8.32"
Wettest August ever
2011 · driest 0.61" (1949)

August Precipitation by Year

1927–2026 · 2026 highlighted · trend +0.05" per decade (wetter since 1927)

Wettest Augusts on Record

# Year Total
1 2011 8.32"
2 2019 7.54"
3 1931 6.81"
4 1991 6.58"
5 2023 6.22"
6 1981 5.70"
7 1967 5.59"
8 1970 5.44"
9 1950 5.37"
10 1965 5.36"

Driest Augusts on Record

# Year Total
1 1995 0.61"
2 1949 0.61"
3 1942 0.72"
4 2002 0.73"
5 1948 0.81"
6 1957 0.88"
7 1961 0.96"
8 1960 1.00"
9 1998 1.05"
10 1980 1.15"

Warmest Augusts on Record

# Year Avg Temp
1 1937 75.1°F
2 1948 74.9°F
3 1938 73.1°F
4 1932 72.1°F
5 1935 71.9°F
6 2018 71.3°F
7 1931 71.1°F
8 2022 71.0°F
9 2021 70.9°F
10 1939 70.9°F

Warmest Months on Record (Any Month)

# Month Avg Temp
1 August 1937 75.1°F
2 August 1948 74.9°F
3 July 1949 74.4°F
4 July 1935 74.1°F
5 July 1937 73.5°F
6 July 1948 73.3°F
7 July 1931 73.3°F
8 August 1938 73.1°F
9 July 1994 73.1°F
10 July 2023 73.0°F

Nearby Stations — August 2026

How the same month ranked at the closest reporting stations

Station Avg Temp August Rank
Bangor, ME 70.3°F 12th of 96
Millinocket, ME 68.8°F 12th of 120
Portland, ME 70.5°F 15th of 153
Caribou, ME 66.0°F 13th of 88
Concord, NH 71.9°F 11th of 158
About this data. Monthly averages are the mean of daily average temperatures, computed from NOAA Threadex records via RCC ACIS. Months missing more than three days of observations are excluded from the rankings, so the in-progress month never appears. Rankings cover 1,153 complete months on record. Precipitation totals sum the daily reports for the month, with trace amounts counted as zero. A month missing any day of precipitation data is left out entirely (an unreported day is unreported rain), so the precipitation ranking covers 92 complete Augusts. Normals are the 1991–2020 mean for the same calendar month. Trend lines are a least-squares fit across every year shown.

Fall in Review — Fall 2026

September 1 – November 30, 2026

Fall 2026 is still under way. Season totals and rankings appear once November closes; the markers below update as they happen.

Summer to Winter — 2026

Each turning point of the season against its 1991–2020 normal date, with the earliest and latest on record

Marker 2026 Normal vs. normal Earliest Latest Drift
Last 90°F day
The final day of summer heat
 Aug 7
so far
 Aug 8 May 23, 1992 Oct 13, 1930 -1.7 d/decade
Last 80°F day
The last genuinely warm afternoon
 Sep 4
so far
 Sep 17 Jul 28, 1962 Oct 22, 2007 -0.1 d/decade
First high below 50°F
The first afternoon that stays cold
 not yet Oct 21 Sep 15, 1959 Nov 15, 1938 +0.2 d/decade
First 32°F freeze
Growing season over
 not yet Oct 5 Aug 25, 1942 Nov 4, 1989 +1.4 d/decade
First 28°F hard freeze
Cold enough to end tender growth
 not yet Oct 17 Sep 13, 1946 Nov 16, 1979 +1.3 d/decade
First 20°F night
Winter cold arriving
 not yet Nov 11 Sep 19, 1930 Dec 12, 1948 +0.6 d/decade
First measurable snow
0.1" or more in a day
 not yet Nov 21 Oct 9, 1979 Dec 24, 1993

Drift is a least-squares fit across every year on record. Positive means the marker has been arriving later.

First Freeze by Year

The first 32°F night of each autumn since 1926 · trending +1.4 days later per decade

146
Normal length
1991–2020 average
188
Longest on record
1989
102
Shortest on record
1940

Growing Season Length by Year

Days between the last spring freeze and the first fall freeze · trending +1.8 days longer per decade

Fall Average Temperature by Year

1926–2025 · 2026 highlighted

Fall Precipitation by Year

1928–2025 · 2026 highlighted · trend +0.06" per decade (wetter since 1928)

About this data. Fall is meteorological autumn, September 1 through November 30, the window NOAA uses for seasonal statistics. Seasonal temperature is the day-weighted mean of the three monthly means; precipitation is their sum, and a season missing any of the three months is left out of the rankings. Freeze, heat and snow markers come from daily NOAA Threadex observations via RCC ACIS: freezes and snow are the first occurrence on or after July 1, and the last 90°F and 80°F days are the final ones anywhere in the calendar year. Growing season counts the freeze-free days between the last spring 32°F and the first fall 32°F.
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