Long term weather forecast
Long term weather forecast

September weather forecast and Climate
Charlottetown, Canada

  • Average high temperature in September: 65.5°F

Warmest month (with highest average high temperature) is July (73.9°F).
Month with lowest average high temperature is January (25.9°F).

  • Average low temperature in September: 49.3°F

Month with highest average low temperature is July (57.4°F).
Coldest month (with lowest average low temperature) is January (10.2°F).

  • Average rainfall in September: 3.8"

Wettest month (with highest rainfall) is October (4.3").
Driest month (with lowest rainfall) is February (1.2").

  • Average rainfall days in September: 12.8 days

Month with highest number of rainy days is October (14.6 days).
Month with lowest number of rainy days is February (5 days).

  • Average snowfall in September: 0"

Month with highest snowfall is January (28.9").
Months with lowest snowfall are June, July, August and September (0").

  • Average snowfall days in September: 0 days

Month with highest number of snowfall days is January (17.3 days).
Months with lowest number of snowfall days are June, July, August and September (0 days).

  • Average sea temperature in September: 59°F

Best month for swimming (with highest average sea temperature) is August (63°F).
Coldest months (with lowest average sea temperature) are February and March (30°F).

  • Average daylight in September: 13h

Month with longest days is June (Average daylight: 16h).
Months with shortest days are January, November and December (Average daylight: 9h).

  • Average sunshine in September: 6h

Month with most sunshine is July (Average sunshine: 8.2h).
Month with least sunshine is November (Average sunshine: 2.1h).

  • Average UV index in September: 5

Months with highest UV index are June, July and August (UV index 7).
Months with lowest UV index are January, November and December (UV index 1).