Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September in Halifax results in a small decrease in the average high-temperature, moderately receding from a pleasant 21.9°C (71.4°F) in August to an enjoyable 18.9°C (66°F). Halifax encounters an average low-temperature of 13.2°C (55.8°F) during September nights.Humidity
The average relative humidity in September is 80%.Rainfall
In Halifax, during September, the rain falls for 10.2 days and regularly aggregates up to 47mm (1.85") of precipitation. Throughout the year, there are 148.3 rainfall days, and 861mm (33.9") of precipitation is accumulated.Snowfall
June through October are months without snowfall in Halifax.Sea temperature
In Halifax, Canada, in September, the average water temperature is 16.6°C (61.9°F).Note: Swimming is not an enjoyable activity for the majority when the water is at 16.6°C (61.9°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:50 pm. On the last day of September, in Halifax, sunrise is at 7:11 am and sunset at 6:56 pm ADT.
Sunshine
In Halifax, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What are the temperatures in Halifax in September?
What is the average humidity in September in Halifax?
How many days does it rain in September in Halifax?
When it does not snow in Halifax?
What is the sea water temperature in September in Halifax?
How many hours of daylight does Halifax have in September?
When is the sunrise / sunset in September in Halifax?
How long on average sun shines in September in Halifax?
What is the UV index intensity in September in Halifax?
Average temperature in September
Halifax, Canada
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is February (-0.1°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (16.1°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).
Average pressure in September
Halifax, Canada
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).
Average wind speed in September
Halifax, Canada
- Average wind speed in September: 16.6km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in September
Halifax, Canada
- Average humidity in September: 80%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (79%).
Average rainfall in September
Halifax, Canada
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is December (98mm).
The driest month (with the least rainfall) is July (38mm).
Average rainfall days in September
Halifax, Canada
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Halifax, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August, September and October (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 (12.5 days).
The months with the least 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: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Halifax, Canada
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Halifax, Canada
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Halifax, Canada
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Halifax, Canada
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Halifax, Canada
Weather forecast for your location
2. Allow the app to use your location
