Rosendahl / Public domain
Stamford, CT Weather on September 4
September 4th in Stamford, CT typically brings warm fall weather, with average highs around 81°F and lows near 58°F. Over 55 years of records, the warmest September 4th was in 2018 (80°F average), while the coldest was 1976 (58°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 4th dates historically, with the wettest September 4th recording 2.32" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
What to Expect on September 4
Planning for September 4th in Stamford, CT? Stay hydrated and seek shade during peak afternoon hours.
September 4 Weather Records for Stamford
- •The all-time record high for September 4th in Stamford, CT is 92°F, set in 2015.
- •The coldest September 4th on record dropped to 44°F in 1976.
- •Temperatures have reached 90°F or higher on September 4th in 4 of the last 55 years.
Frequently Asked Questions
What was the warmest September 4 ever in Stamford?
The warmest September 4 in Stamford, CT reached 92°F in 2015. That is 11°F above the long-term average high of 81°F.
What was the coldest September 4 ever in Stamford?
The coldest September 4 in Stamford, CT dropped to 44°F in 1976. That is 14°F below the long-term average low of 58°F.
What is the average temperature on September 4 in Stamford?
On September 4, Stamford averages a high of 81°F and a low of 58°F based on 55 years of NOAA weather observations from STAMFORD 5 N.
How many years of weather data are available for September 4 in Stamford?
We have 55 years of weather records for September 4 in Stamford, CT, 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 Stamford
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 79°F | 57°F | 0.6" | -- |
| 2024 | 76°F | 53°F | 0" | -- |
| 2023 | 87°F | 68°F | 0" | -- |
| 2022 | 88°F | 66°F | 0" | -- |
| 2021 | 76°F | 54°F | 0" | -- |
| 2020 | 82°F | 63°F | 0.75" | -- |
| 2019 | 85°F | 58°F | 0" | -- |
| 2018 | 90°F | 70°F | 0" | -- |
| 2017 | 80°F | 56°F | 0" | -- |
| 2016 | 78°F | 56°F | 0" | -- |
| 2015 | 92°F | 61°F | 0.22" | -- |
| 2014 | 89°F | 57°F | 0" | -- |
| 2013 | 82°F | 55°F | 0" | -- |
| 2012 | 79°F | 68°F | 0.08" | -- |
| 2011 | 85°F | 67°F | 0" | -- |
| 2010 | 78°F | 61°F | 0" | -- |
| 2009 | 82°F | 56°F | 0" | -- |
| 2008 | 90°F | 67°F | 0" | -- |
| 2007 | 81°F | 61°F | 0" | -- |
| 2006 | 74°F | 56°F | 0" | -- |
| 2005 | 79°F | 57°F | 0" | -- |
| 2004 | 89°F | 58°F | 0" | -- |
| 2003 | 74°F | 63°F | 0.21" | -- |
| 2002 | 83°F | 63°F | 1.04" | -- |
| 2001 | 83°F | 53°F | 0" | -- |
| 2000 | 84°F | 67°F | 0" | -- |
| 1999 | 84°F | 60°F | 0" | -- |
| 1998 | 82°F | 59°F | 0" | -- |
| 1997 | 70°F | 46°F | 0" | -- |
| 1996 | 85°F | 63°F | 0" | -- |
| 1995 | 85°F | 52°F | 0" | -- |
| 1994 | 72°F | 49°F | 0" | -- |
| 1993 | 88°F | 71°F | 0.69" | -- |
| 1992 | 78°F | 63°F | 2.32" | -- |
| 1991 | 80°F | 56°F | 0" | -- |
| 1990 | 76°F | 52°F | 0" | -- |
| 1989 | 76°F | 48°F | 0" | -- |
| 1988 | 80°F | 57°F | 1.59" | -- |
| 1987 | 75°F | 46°F | 0" | -- |
| 1986 | 67°F | 57°F | 0.07" | -- |
| 1985 | 89°F | 62°F | 0" | -- |
| 1984 | 71°F | 55°F | 1.8" | -- |
| 1983 | 88°F | 57°F | 0" | -- |
| 1982 | 78°F | 48°F | 0" | -- |
| 1981 | 70°F | 65°F | 0" | -- |
| 1980 | 85°F | 56°F | 0" | -- |
| 1979 | 86°F | 65°F | 0" | -- |
| 1978 | 81°F | 60°F | 0.05" | -- |
| 1977 | 85°F | 63°F | 0" | -- |
| 1976 | 72°F | 44°F | 0" | -- |
| 1975 | 77°F | 45°F | 0" | -- |
| 1974 | 69°F | 56°F | 2.19" | -- |
| 1973 | 92°F | 64°F | 0" | -- |
| 1972 | 77°F | 58°F | 0" | -- |
| 1971 | 85°F | 59°F | 0" | -- |
Based on 55 years of data from NOAA station: STAMFORD 5 N
Monthly Climate Averages
Historical temperature and precipitation averages for Stamford, CT, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.