Charlottetown
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Charlottetown, Canada

The first month of the autumn, September, is still a comfortable month in Charlottetown, Canada, with temperature in the range of an average low of 9.6°C (49.3°F) and an average high of 18.6°C (65.5°F).

Temperature

In September, the average high-temperature slightly decreases, from a pleasant 22.8°C (73°F) in August, to a comfortable 18.6°C (65.5°F). In Charlottetown, in September, the average low-temperature is 9.6°C (49.3°F).

Rainfall

In Charlottetown, in September, it is raining for 12.8 days, with typically 95.9mm (3.8") of accumulated precipitation. In Charlottetown, during the entire year, the rain falls for 130.7 days and collects up to 887.1mm (34.9") of precipitation.

Snowfall

In Charlottetown snow does not fall in June through September.

Sea temperature

In Charlottetown, Canada, in September, the average water temperature is 15.8°C (60.4°F).
Note: Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In Charlottetown, the average length of the day is 12.5h.

Sunshine

In Charlottetown, the average sunshine in September is 6h.

UV index

In Charlottetown, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Charlottetown?

The average high-temperature, in September, is 18.6°C (65.5°F), while the average low-temperature is 9.6°C (49.3°F).

How much does it rain in Charlottetown in September?

In Charlottetown, in September, during 12.8 rainfall days, 95.9mm (3.8") of precipitation is typically accumulated.

Does it snow in Charlottetown in September?

In Charlottetown, Canada, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Charlottetown?

June through September are months without snowfall in Charlottetown, Canada.

How cold is the water in September in Charlottetown?

In September, the average sea temperature is 15.8°C (60.4°F). For most, swimming in 15.8°C (60.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the average length of the day in September in Charlottetown?

In Charlottetown, the average length of the day in September is 12.5h.

How long on average sun shines in September in Charlottetown?

In Charlottetown, the average sunshine in September is 6h.

What is the UV index reading in September in Charlottetown?

The average daily maximum UV index in September in Charlottetown, Canada, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Charlottetown, Canada
  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-3.4°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-12.1°C).

Average rainfall in September - Charlottetown, Canada
  • Average rainfall in September: 95.9mm

The wettest month (with the highest rainfall) is October (110.3mm).
The driest month (with the lowest rainfall) is February (29.8mm).

Average rainfall days in September - Charlottetown, Canada
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is October (14.6 days).
The month with the lowest number of rainy days is February (5 days).

Average snowfall in September - Charlottetown, Canada
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (733mm).
Months with the lowest snowfall are June, July, August and September (0mm).

Average snowfall days in September - Charlottetown, Canada
  • Average snowfall days in September: 0 days

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

Average sea temperature in September - Charlottetown, Canada
  • Average sea temperature in September: 15.8°C

The best month for swimming (with the highest average sea temperature) is August (18.3°C).
Coldest months (with the lowest average sea temperature) are February and March (-1.1°C).

Average daylight in September / Average sunshine in September - Charlottetown, Canada
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

  • Average sunshine in September: 6h

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

Average UV index in September - Charlottetown, Canada
  • Average UV index in September: 5

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