Sun, sea & sand

Lunenburg weather in September

Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.

25

Holiday weather in September

Poor

Best time to visit: July – August

What is the weather like in Lunenburg in September?

In September, Lunenburg is mild: daytime highs average 19 °C, and nights cool down to about 14 °C. The sea averages 16.5 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain falls on about 9 days, adding up to 100 mm. All in all, September is not an ideal month for a holiday in Lunenburg.

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score422517
Day22°19°14°
Night17°14°9°
Sea17°17°14°
Sun7 h6 h5 h
Rain days10910

More details for September

Daylight
12 h 36 min06:55 – 19:30
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
2 daysdew point 18 °C or moreAll months
Wind
19 km/haverage daily peakAll months
Cloud cover
58 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−3America/Halifax

How the score comes together

  • Temperatureweight 35 %7 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %48 %
  • Few rainy daysweight 20 %65 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in September

  • Wetsuit for longer swims
  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Lunenburg in September: quick answers

Is Lunenburg hot in September?

No. In September, Lunenburg is mild: daytime highs average 19 °C and nights drop to about 14 °C.

Can you swim in Lunenburg in September?

Only if you don't mind cold water: in September the sea averages just 16.5 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Lunenburg in September?

Rain falls on about 9 days, adding up to 100 mm.

Lunenburg month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences