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Manchester, NH Weather on September 4
September 4th in Manchester, NH typically brings pleasant fall weather, with average highs around 78°F and lows near 56°F. Over 55 years of records, the warmest September 4th was in 1973 (80°F average), while the coldest was 1992 (51°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 4th dates historically, with the wettest September 4th recording 2.13" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
What to Expect on September 4
Planning for September 4th in Manchester, NH? Great weather for outdoor activities.
September 4 Weather Records for Manchester
- •The all-time record high for September 4th in Manchester, NH is 93°F, set in 1973.
- •The coldest September 4th on record dropped to 38°F in 1997.
- •Temperatures have reached 90°F or higher on September 4th in 5 of the last 55 years.
- •Last year (1971), September 4th was 7°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest September 4 ever in Manchester?
The warmest September 4 in Manchester, NH reached 93°F in 1973. That is 15°F above the long-term average high of 78°F.
What was the coldest September 4 ever in Manchester?
The coldest September 4 in Manchester, NH dropped to 38°F in 1997. That is 18°F below the long-term average low of 56°F.
What is the average temperature on September 4 in Manchester?
On September 4, Manchester averages a high of 78°F and a low of 56°F based on 55 years of NOAA weather observations from MANCHESTER.
How many years of weather data are available for September 4 in Manchester?
We have 55 years of weather records for September 4 in Manchester, NH, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
September 4 Weather History in Manchester
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 52°F | 0" | -- |
| 2024 | 83°F | 48°F | 0" | -- |
| 2023 | 89°F | 63°F | 0" | -- |
| 2022 | 90°F | 58°F | 0" | -- |
| 2021 | 80°F | 56°F | 0" | -- |
| 2020 | 84°F | 61°F | 0" | -- |
| 2019 | 81°F | 63°F | 0" | -- |
| 2018 | 90°F | 70°F | 0" | -- |
| 2017 | 78°F | 54°F | 0" | -- |
| 2016 | 79°F | 55°F | 0" | -- |
| 2015 | 78°F | 57°F | 0" | -- |
| 2014 | 84°F | 58°F | 0" | -- |
| 2013 | 82°F | 60°F | 0" | -- |
| 2012 | 68°F | 61°F | 0.35" | -- |
| 2011 | 86°F | 68°F | 0" | -- |
| 2010 | 82°F | 63°F | 0.03" | -- |
| 2009 | 82°F | 56°F | 0" | -- |
| 2008 | 90°F | 59°F | 0" | -- |
| 2007 | 75°F | 55°F | 0" | -- |
| 2006 | 73°F | 60°F | 0.02" | -- |
| 2005 | 80°F | 59°F | 0" | -- |
| 2004 | 82°F | 61°F | 0" | -- |
| 2003 | 66°F | 58°F | 0.14" | -- |
| 2002 | 86°F | 65°F | 0" | -- |
| 2001 | 80°F | 56°F | 0.29" | -- |
| 2000 | 75°F | 54°F | 0.2" | -- |
| 1999 | 90°F | 65°F | 0" | -- |
| 1998 | 82°F | 62°F | 0" | -- |
| 1997 | 67°F | 38°F | 0.04" | -- |
| 1996 | 86°F | 54°F | 0" | -- |
| 1995 | 79°F | 44°F | 0" | -- |
| 1994 | 70°F | 44°F | 0" | -- |
| 1993 | 89°F | 61°F | 0.25" | -- |
| 1992 | 52°F | 51°F | 0.78" | -- |
| 1991 | 78°F | 53°F | 0" | -- |
| 1990 | 72°F | 47°F | 0" | -- |
| 1989 | 74°F | 39°F | 0" | -- |
| 1988 | 82°F | 58°F | 0" | -- |
| 1987 | 69°F | 39°F | 0" | -- |
| 1986 | 60°F | 54°F | 0" | -- |
| 1985 | 74°F | 58°F | 0" | -- |
| 1984 | 61°F | 52°F | 0.17" | -- |
| 1983 | 88°F | 65°F | 0" | -- |
| 1982 | 78°F | 49°F | 0" | -- |
| 1981 | 77°F | 59°F | 0" | -- |
| 1980 | 79°F | 52°F | 0" | -- |
| 1979 | 85°F | 67°F | 0" | -- |
| 1978 | 83°F | 59°F | 0" | -- |
| 1977 | 81°F | 52°F | 0" | -- |
| 1976 | 70°F | 47°F | 0.03" | -- |
| 1975 | 69°F | 48°F | 0" | -- |
| 1974 | 59°F | 53°F | 2.13" | -- |
| 1973 | 93°F | 66°F | 0" | -- |
| 1972 | 64°F | 56°F | 0" | -- |
| 1971 | 85°F | 48°F | 0" | -- |
Based on 55 years of data from NOAA station: MANCHESTER
Monthly Climate Averages
Historical temperature and precipitation averages for Manchester, NH, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.