Branford Weather in September
Average highs run from 89°F on September 1 to 84°F on September 30, and lows from 71°F to 65°F. Normal precipitation for the month is 4.92 in over about 11 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
- 87°F
- Average low
- 68°F
- Precipitation
- 4.92 in
- Record high
- 100°FSep 8, 1910
- Record low
- 43°FSep 30, 1967
- Chance of a freeze
- 0%
- Days of 90°F or more
- 8.3
- Daylight
- 12 h 45 min to 11 h 53 min
- Cloud cover
- 54%
- Humidity
- 82%
- Dew point
- 71°F
- Wind
- 5.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 89°F | 71°F | 98°F 1984 | 60°F 1922 | 44% |
| Sep 2 | 89°F | 71°F | 98°F 2024 | 60°F 1999 | 44% |
| Sep 3 | 89°F | 71°F | 98°F 2024 | 61°F 1999 | 44% |
| Sep 4 | 89°F | 70°F | 96°F 1921 | 62°F 1992 | 43% |
| Sep 5 | 89°F | 70°F | 99°F 1921 | 62°F 1967 | 43% |
| Sep 6 | 89°F | 70°F | 97°F 1910 | 59°F 1997 | 42% |
| Sep 7 | 89°F | 70°F | 98°F 1910 | 59°F 1997 | 42% |
| Sep 8 | 89°F | 70°F | 100°F 1910 | 58°F 2011 | 41% |
| Sep 9 | 89°F | 70°F | 97°F 1910 | 60°F 1925 | 40% |
| Sep 10 | 88°F | 70°F | 98°F 1910 | 54°F 1925 | 40% |
| Sep 11 | 88°F | 70°F | 98°F 1910 | 56°F 1914 | 39% |
| Sep 12 | 88°F | 69°F | 97°F 1984 | 57°F 1925 | 39% |
| Sep 13 | 88°F | 69°F | 97°F 1920 | 60°F 1913 | 38% |
| Sep 14 | 88°F | 69°F | 97°F 1920 | 57°F 2025 | 38% |
| Sep 15 | 88°F | 69°F | 98°F 1920 | 55°F 2025 | 37% |
| Sep 16 | 88°F | 69°F | 98°F 1972 | 55°F 2025 | 37% |
| Sep 17 | 87°F | 69°F | 96°F 1972 | 53°F 1999 | 36% |
| Sep 18 | 87°F | 68°F | 96°F 1972 | 56°F 1981 | 36% |
| Sep 19 | 87°F | 68°F | 98°F 1921 | 46°F 1981 | 35% |
| Sep 20 | 87°F | 68°F | 96°F 1921 | 47°F 1981 | 34% |
| Sep 21 | 87°F | 68°F | 99°F 1997 | 54°F 1981 | 34% |
| Sep 22 | 86°F | 67°F | 97°F 1990 | 50°F 1913 | 33% |
| Sep 23 | 86°F | 67°F | 95°F 1910 | 47°F 1913 | 33% |
| Sep 24 | 86°F | 67°F | 97°F 2011 | 52°F 1990 | 32% |
| Sep 25 | 86°F | 67°F | 96°F 2011 | 52°F 1990 | 32% |
| Sep 26 | 85°F | 66°F | 99°F 1972 | 53°F 1975 | 31% |
| Sep 27 | 85°F | 66°F | 94°F 1972 | 53°F 1956 | 31% |
| Sep 28 | 85°F | 66°F | 96°F 1986 | 52°F 1962 | 30% |
| Sep 29 | 85°F | 65°F | 97°F 1986 | 45°F 1962 | 30% |
| Sep 30 | 84°F | 65°F | 97°F 1986 | 43°F 1967 | 29% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- September 1
- sunrise 7:09 AM, sunset 7:54 PM
- September 30
- sunrise 7:25 AM, sunset 7:18 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00080598 (Bell 4NW), public domain. Records: NOAA GHCN-Daily, station USC00085099, 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.