Bridgeport Weather in September
Average highs run from 81°F on September 1 to 73°F on September 30, and lows from 38°F to 29°F. Normal precipitation for the month is 0.23 in over about 2 wet days.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 78°F
- Average low
- 34°F
- Precipitation
- 0.23 in
- Record high
- 94°FSep 6, 2020
- Record low
- 7°FSep 22, 1968
- Chance of a freeze
- 100%
- Daylight
- 12 h 59 min to 11 h 49 min
- Cloud cover
- 24%
- Humidity
- 28%
- Dew point
- 26°F
- Wind
- 6.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Sep 1 | 81°F | 38°F | 90°F 1981 | 22°F 1959 | 7% | 0% |
| Sep 2 | 81°F | 37°F | 89°F 1959 | 18°F 1964 | 7% | 0% |
| Sep 3 | 81°F | 37°F | 90°F 1931 | 21°F 1964 | 7% | 0% |
| Sep 4 | 81°F | 37°F | 92°F 2020 | 23°F 1961 | 7% | 0% |
| Sep 5 | 81°F | 37°F | 93°F 2020 | 22°F 1964 | 7% | 0% |
| Sep 6 | 80°F | 36°F | 94°F 2020 | 23°F 2000 | 7% | 0% |
| Sep 7 | 80°F | 36°F | 90°F 2021 | 19°F 1973 | 7% | 0% |
| Sep 8 | 80°F | 36°F | 93°F 2020 | 14°F 1973 | 7% | 0% |
| Sep 9 | 80°F | 36°F | 90°F 2021 | 15°F 1973 | 7% | 0% |
| Sep 10 | 79°F | 35°F | 90°F 1990 | 19°F 1973 | 7% | 0% |
| Sep 11 | 79°F | 35°F | 90°F 1990 | 17°F 1916 | 7% | 0% |
| Sep 12 | 79°F | 35°F | 88°F 2015 | 16°F 1915 | 7% | 0% |
| Sep 13 | 79°F | 35°F | 89°F 2015 | 17°F 1914 | 7% | 0% |
| Sep 14 | 78°F | 34°F | 88°F 1979 | 12°F 1970 | 7% | 0% |
| Sep 15 | 78°F | 34°F | 89°F 1937 | 15°F 1970 | 7% | 0% |
| Sep 16 | 78°F | 34°F | 88°F 1932 | 16°F 1970 | 7% | 0% |
| Sep 17 | 78°F | 33°F | 86°F 1932 | 11°F 1965 | 7% | 0% |
| Sep 18 | 77°F | 33°F | 85°F 1935 | 12°F 1965 | 7% | 0% |
| Sep 19 | 77°F | 33°F | 85°F 2009 | 10°F 1965 | 7% | 0% |
| Sep 20 | 77°F | 33°F | 85°F 1935 | 12°F 1978 | 7% | 1% |
| Sep 21 | 76°F | 32°F | 86°F 1992 | 10°F 1968 | 7% | 1% |
| Sep 22 | 76°F | 32°F | 85°F 1935 | 7°F 1968 | 7% | 1% |
| Sep 23 | 76°F | 32°F | 85°F 2003 | 10°F 1968 | 7% | 1% |
| Sep 24 | 75°F | 31°F | 85°F 2003 | 13°F 1968 | 7% | 1% |
| Sep 25 | 75°F | 31°F | 87°F 1975 | 11°F 1970 | 7% | 1% |
| Sep 26 | 74°F | 31°F | 88°F 2003 | 11°F 1970 | 7% | 1% |
| Sep 27 | 74°F | 30°F | 87°F 2010 | 14°F 1970 | 7% | 1% |
| Sep 28 | 74°F | 30°F | 87°F 2010 | 12°F 1971 | 7% | 1% |
| Sep 29 | 73°F | 30°F | 87°F 2010 | 12°F 1959 | 7% | 1% |
| Sep 30 | 73°F | 29°F | 89°F 1980 | 17°F 1965 | 7% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- September 1
- sunrise 6:27 AM, sunset 7:26 PM
- September 30
- sunrise 6:52 AM, sunset 6:41 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00041072 (Bridgeport), public domain. Records: NOAA GHCN-Daily, station USC00041072, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.