September weather in Highland Beach, MD
The average temperature in Highland Beach in September is 71.1°F (64.8°F–77.4°F). Average precipitation: 5.14 inches.
September is a fall month in Highland Beach, and is warmer than the annual average of 57.7°F. Daily temperatures swing about 12.6°F between overnight low and afternoon high. Daylight averages about 12h 14m. For travel, September is a wet month.
Avg High
77.4°F
Avg Low
64.8°F
Precipitation
5.14 in
Daylight
12h 14m
September records in Highland Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (2012) | 57.9°F (1946) | 2.86 in (1952) |
| September 2 | 91.0°F (2014) | 54.0°F (1958) | 1.20 in (2006) |
| September 3 | 91.9°F (1957) | 55.0°F (1958) | 2.48 in (2020) |
| September 4 | 96.1°F (2019) | 59.0°F (1946) | 0.57 in (2025) |
| September 5 | 93.9°F (2018) | 57.9°F (1946) | 2.03 in (1953) |
| September 6 | 93.0°F (1954) | 60.1°F (1950) | 2.02 in (1947) |
| September 7 | 91.9°F (2023) | 59.0°F (2024) | 0.91 in (1947) |
| September 8 | 95.0°F (2016) | 55.0°F (2024) | 1.90 in (2011) |
| September 9 | 93.9°F (2016) | 53.1°F (1949) | 5.00 in (1950) |
| September 10 | 88.0°F (1959) | 52.0°F (1949) | 3.34 in (2015) |
| September 11 | 89.1°F (2019) | 54.0°F (1958) | 1.25 in (1960) |
| September 12 | 96.1°F (2019) | 53.1°F (1958) | 3.14 in (1960) |
| September 13 | 90.0°F (1957) | 55.0°F (1958) | 1.12 in (1950) |
| September 14 | 90.0°F (2008) | 48.9°F (1953) | 1.29 in (2006) |
| September 15 | 88.0°F (1957) | 53.1°F (1946) | 0.73 in (2004) |
| September 16 | 88.0°F (2005) | 50.0°F (2011) | 0.81 in (2025) |
| September 17 | 88.0°F (1958) | 50.0°F (1959) | 1.30 in (1945) |
| September 18 | 87.1°F (1948) | 52.0°F (1959) | 2.06 in (2003) |
| September 19 | 84.9°F (1947) | 48.9°F (1959) | 1.16 in (2016) |
| September 20 | 88.0°F (2017) | 48.9°F (1956) | 0.73 in (1955) |
| September 21 | 87.1°F (2017) | 44.1°F (1956) | 1.31 in (1946) |
| September 22 | 89.1°F (1961) | 50.0°F (2020) | 1.47 in (2024) |
| September 23 | 90.0°F (2019) | 46.0°F (1947) | 2.00 in (2003) |
| September 24 | 91.0°F (1961) | 46.9°F (1950) | 0.72 in (1946) |
| September 25 | 89.1°F (2017) | 44.1°F (1950) | 0.73 in (2014) |
| September 26 | 84.9°F (1958) | 46.0°F (1947) | 1.12 in (2002) |
| September 27 | 88.0°F (2017) | 44.1°F (1947) | 2.18 in (2008) |
| September 28 | 86.0°F (1959) | 46.0°F (1957) | 3.14 in (2004) |
| September 29 | 84.0°F (1945) | 44.1°F (1951) | 1.47 in (2015) |
| September 30 | 82.9°F (1952) | 45.0°F (1947) | 8.80 in (2010) |