Fredericton
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Fredericton, Canada

September, the first month of the autumn, in Fredericton, is still a pleasant month, with temperature in the range of an average low of 7.1°C (44.8°F) and an average high of 20°C (68°F).

Temperature

In September, the average high-temperature slightly decreases, from a moderately hot 24.8°C (76.6°F) in August, to an agreeable 20°C (68°F). In Fredericton, in September, the average low-temperature is 7.1°C (44.8°F).

Humidity

With an average relative humidity of 91.1%, September is the most humid month.

Rainfall

In September, in Fredericton, the rain falls for 10.3 days. Throughout September, 87.5mm (3.4") of precipitation is accumulated. In Fredericton, during the entire year, the rain falls for 115.4 days and collects up to 859.1mm (33.8") of precipitation.

Snowfall

In Fredericton snow does not fall in June through September.

Daylight

The average length of the day in Fredericton is 12.5h.

Sunshine

In September, the average sunshine is 5.7h.

UV index

In September, the average daily maximum UV index in Fredericton is 5. A UV Index of 3 to 5 symbolizes a medium health hazard 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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Fredericton?

The average high-temperature, in September, in Fredericton, is 20°C (68°F), while the average low-temperature is 7.1°C (44.8°F).

What is the most humid month in Fredericton?

The most humid month is September, with an average relative humidity of 91.1%.

What is the average humidity in September in Fredericton?

In Fredericton, the average relative humidity in September is 91.1%.

How many days does it rain in September in Fredericton?

In Fredericton, Canada, during September, the rain falls for 10.3 days and regularly aggregates up to 87.5mm (3.4") of precipitation.

Does it snow in Fredericton in September?

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

When it does not snow in Fredericton?

June through September are months without snowfall in Fredericton.

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

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

How long on average sun shines in September in Fredericton?

In September, the average sunshine in Fredericton, Canada, is 5.7h.

How high is the UV index in September in Fredericton?

In September, the average daily maximum UV index in Fredericton is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Fredericton, Canada
  • Average high temperature in September: 20°C

The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (-3.8°C).

  • Average low temperature in September: 7.1°C

The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-15°C).

Average humidity in September - Fredericton, Canada
  • Average humidity in September: 91.1%

The month with the highest relative humidity is September (91.1%).
The month with the lowest relative humidity is February (74.9%).

Average rainfall in September - Fredericton, Canada
  • Average rainfall in September: 87.5mm

The wettest month (with the highest rainfall) is May (94.5mm).
The driest month (with the lowest rainfall) is February (31.4mm).

Average rainfall days in September - Fredericton, Canada
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is May (13.8 days).
The month with the lowest number of rainy days is February (4.3 days).

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

The month with the highest snowfall is January (699mm).
Months with the lowest snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (11.7 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Fredericton, 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: 5.7h

The month with most sunshine is July (Average sunshine: 7.7h).
The month with least sunshine is November (Average sunshine: 3.2h).

Average UV index in September - Fredericton, 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).