September weather in Barnstable Town, MA
The average temperature in Barnstable Town in September is 63.8°F (56.5°F–71.1°F). Average precipitation: 3.83 inches.
September is a fall month in Barnstable Town, and is warmer than the annual average of 50.3°F. Daily temperatures swing about 14.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
71.1°F
Avg Low
56.5°F
Precipitation
3.83 in
Daylight
12h 16m
September records in Barnstable Town
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1973) | 46.0°F (1957) | 2.00 in (1919) |
| September 2 | 95.0°F (1953) | 42.1°F (1970) | 4.10 in (2021) |
| September 3 | 88.0°F (1898) | 44.1°F (1958) | 3.50 in (1972) |
| September 4 | 99.0°F (2007) | 39.9°F (1965) | 6.04 in (2010) |
| September 5 | 86.0°F (1959) | 41.0°F (1965) | 2.00 in (1935) |
| September 6 | 88.0°F (1983) | 37.9°F (1965) | 2.06 in (2012) |
| September 7 | 88.0°F (1959) | 42.1°F (1965) | 3.03 in (2017) |
| September 8 | 93.0°F (2023) | 37.9°F (1962) | 1.61 in (2011) |
| September 9 | 88.0°F (2015) | 39.0°F (1962) | 3.70 in (1969) |
| September 10 | 91.0°F (1897) | 37.0°F (1981) | 1.35 in (2021) |
| September 11 | 91.0°F (1931) | 39.9°F (1963) | 3.99 in (1954) |
| September 12 | 90.0°F (1983) | 36.0°F (1966) | 1.75 in (1950) |
| September 13 | 88.0°F (1952) | 37.0°F (1966) | 0.97 in (1937) |
| September 14 | 82.0°F (1903) | 37.9°F (1955) | 2.10 in (1996) |
| September 15 | 84.9°F (1976) | 37.9°F (1960) | 2.10 in (1966) |
| September 16 | 86.0°F (1906) | 35.1°F (1964) | 3.04 in (1900) |
| September 17 | 82.0°F (1906) | 32.0°F (1960) | 5.50 in (1933) |
| September 18 | 84.0°F (1948) | 36.0°F (1959) | 2.42 in (1996) |
| September 19 | 87.1°F (1946) | 33.1°F (1956) | 4.00 in (1936) |
| September 20 | 86.0°F (1946) | 33.1°F (1964) | 3.54 in (1987) |
| September 21 | 88.0°F (1895) | 35.1°F (1956) | 2.23 in (1953) |
| September 22 | 93.9°F (1895) | 28.9°F (1962) | 1.40 in (1972) |
| September 23 | 86.0°F (1895) | 32.0°F (1904) | 1.90 in (1949) |
| September 24 | 86.0°F (1908) | 30.9°F (1953) | 1.14 in (2011) |
| September 25 | 82.9°F (1930) | 28.9°F (1963) | 2.20 in (2021) |
| September 26 | 81.0°F (1958) | 37.0°F (1959) | 1.27 in (2021) |
| September 27 | 84.9°F (2011) | 30.0°F (1966) | 2.15 in (2008) |
| September 28 | 80.1°F (2011) | 28.9°F (1965) | 3.55 in (1958) |
| September 29 | 80.1°F (1948) | 26.1°F (1957) | 2.06 in (1909) |
| September 30 | 80.1°F (1959) | 32.0°F (1958) | 1.15 in (1894) |