Bridgewater, NS is in for a noticeable cool-down this week, with temperatures expected to drop from a high of 23°C on Tuesday, September 1, 2026 to just 16°C by Saturday, September 5. The shift comes after a warm Monday, when conditions at the Lunenburg observation station reached 20.9°C.
According to Environment Canada, Tuesday will bring a mix of sun and cloud with a 30 percent chance of afternoon showers and fog patches dissipating in the morning. Highs will reach 23°C. By Thursday night, periods of rain are expected to begin, continuing through Friday with a high of 21°C. The wet pattern persists into Saturday, with cloudy skies and a 60 percent chance of showers.
No weather alerts are currently in effect for Bridgewater or Lunenburg County, but residents should be prepared for periodic rainfall. The overnight lows will also cool, dropping to 9°C on Tuesday night and 11°C on Saturday night.
These temperatures are in line with seasonal norms for the area. September in Bridgewater typically sees average highs of 21°C and lows of 8°C, with about 12 wet days and 111 mm of rain through the month. The cooling trend marks the transition toward fall weather on Nova Scotia’s South Shore.