Halifax
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Halifax, Canada

September, the first month of the autumn, in Halifax, is still a comfortable month, with average temperature ranging between min 11.8°C (53.2°F) and max 19.3°C (66.7°F).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 23.1°C (73.6°F) in August, to an enjoyable 19.3°C (66.7°F). In September, in Halifax, Canada, the average low-temperature is 11.8°C (53.2°F).

Humidity

The average relative humidity in Halifax, Canada, is 64.4%.

Rainfall

In Halifax, during September, the rain falls for 11.7 days and regularly aggregates up to 108.9mm (4.3") of precipitation. Throughout the year, there are 142.9 rainfall days, and 1313.8mm (51.7") of precipitation is accumulated.

Snowfall

In Halifax snow does not fall in June through September.

Sea temperature

In Halifax, Canada, the average water temperature is 16.6°C (61.9°F).
Note: For swimming, a surface water temperature of 16.6°C (61.9°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

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

Sunshine

The average sunshine in Halifax is 6h.

UV index

In Halifax, Canada, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 Halifax?

In September, the average high-temperature is 19.3°C (66.7°F), and the average low-temperature is 11.8°C (53.2°F).

What is the average humidity in September in Halifax?

The average relative humidity in September in Halifax is 64.4%.

How much does it rain in Halifax in September?

In Halifax, Canada, in September, during 11.7 rainfall days, 108.9mm (4.3") of precipitation is typically accumulated.

Does it snow in Halifax in September?

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

When it does not snow in Halifax?

In Halifax snow does not fall in June through September.

How cold is the water in September in Halifax?

In Halifax, in September, the average water temperature is 16.6°C (61.9°F). Swimming in 16.6°C (61.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

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

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

How long on average sun shines in September in Halifax?

In September, the average sunshine in Halifax, Canada, is 6h.

How high is the UV index in September in Halifax?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in September - Halifax, Canada
  • Average high temperature in September: 19.3°C

Warmest months (with the highest average high temperature) are July and August (23.1°C).
The month with the lowest average high temperature is January (-0.1°C).

  • Average low temperature in September: 11.8°C

The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-8.2°C).

Average humidity in September - Halifax, Canada
  • Average humidity in September: 64.4%

The month with the highest relative humidity is December (75.5%).
The month with the lowest relative humidity is May (61.9%).

Average rainfall in September - Halifax, Canada
  • Average rainfall in September: 108.9mm

The wettest month (with the highest rainfall) is November (143.6mm).
The driest month (with the lowest rainfall) is February (75.1mm).

Average rainfall days in September - Halifax, Canada
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (15.7 days).
The month with the lowest number of rainy days is February (6.5 days).

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

The month with the highest snowfall is January (431mm).
Months with the lowest snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (6.8 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature in September - Halifax, Canada
  • Average sea temperature in September: 16.6°C

The best month for swimming (with the highest average sea temperature) is August (17.2°C).
The coldest month (with the lowest average sea temperature) is February (0.8°C).

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

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in September: 6h

The month with most sunshine is July (Average sunshine: 7.6h).
The month with least sunshine is December (Average sunshine: 3.4h).

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

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).