September weather forecast
Surrey, Canada

Weather in September

September, the first month of the autumn in Surrey, is still a comfortable month, with an average temperature varying between 10.4°C (50.7°F) and 17.1°C (62.8°F).

Temperature

In September, the average high-temperature marginally drops from a pleasant 20.4°C (68.7°F) in August to an enjoyable 17.1°C (62.8°F). In September, in Surrey, Canada, the average low-temperature is 10.4°C (50.7°F).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Surrey, during September, the rain falls for 14.8 days and regularly aggregates up to 87mm (3.43") of precipitation. In Surrey, Canada, during the entire year, the rain falls for 199.4 days and collects up to 1439mm (56.65") of precipitation.

Snowfall

May through October are months without snowfall.

Sea temperature

In Surrey, Canada, in September, the average water temperature is 11.3°C (52.3°F).
Note: Swimming in 11.3°C (52.3°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of September, sunrise is at 6:28 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:52 pm PDT.

Sunshine

In September, the average sunshine in Surrey is 8.5h.

UV index

In September, the average daily maximum UV index in Surrey is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 3 in September transform into the following instructions:
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.
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FAQ

What is the average humidity in September in Surrey?

In Surrey, the average relative humidity in September is 80%.

How many days does it rain in September in Surrey?

In September, the rain falls for 14.8 days. Throughout September, 87mm (3.43") of precipitation is accumulated.

When it does not snow in Surrey?

In Surrey, snow does not fall in May through October.

What is the water temperature in September in Surrey?

In Surrey, the average seawater temperature in September is 11.3°C (52.3°F). Swimming in 11.3°C (52.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Surrey have in September?

In September, the average day length is 12h and 34min.

What time are sunrise and sunset in September in Surrey?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:54 pm. On the last day of the month, in Surrey, sunrise is at 7:09 am and sunset at 6:52 pm PDT.

How many hours of sunshine does Surrey have in September?

In Surrey, Canada, the average sunshine duration in September is 8.5h.

What is the UV index reading in September in Surrey?

The average daily maximum UV index in September in Surrey, Canada, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.

Average temperature in September
Surrey, Canada

Average temperature in September - Surrey, Canada
  • Average high temperature in September: 17.1°C

The warmest months (with the highest average high temperature) are July and August (20.4°C).
The month with the lowest average high temperature is December (4.1°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is December (0.8°C).

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Average pressure in September
Surrey, Canada

Average pressure in September - Surrey, Canada
  • Average pressure in September: 1016.1mbar

The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is March (1015.8mbar).

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Average wind speed in September
Surrey, Canada

Average wind speed in September - Surrey, Canada
  • Average wind speed in September: 6.5km/h

The windiest months (with the highest average wind speed) are March and November (9.4km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).

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Average humidity in September
Surrey, Canada

Average humidity in September - Surrey, Canada
  • Average humidity in September: 80%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in September
Surrey, Canada

Average rainfall in September - Surrey, Canada
  • Average rainfall in September: 87mm

The wettest month (with the highest rainfall) is November (222mm).
The driest month (with the least rainfall) is July (28mm).

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Average rainfall days in September
Surrey, Canada

Average rainfall days in September - Surrey, Canada
  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is August (9.3 days).

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Average snowfall in September
Surrey, Canada

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

The month with the highest snowfall is February (98mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in September
Surrey, Canada

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

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in September
Surrey, Canada

Average sea temperature in September - Surrey, Canada
  • Average sea temperature in September: 11.3°C

The best month for swimming (with the highest average sea temperature) is August (11.5°C).
The coldest months (with the lowest average sea temperature) are January and February (6.8°C).

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Average daylight in September /
Average sunshine in September
Surrey, Canada

Average daylight in September / Average sunshine in September - Surrey, Canada
  • Average daylight in September: 12h and 34min

The month with the longest days is June (Average daylight: 16h and 9min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 8.5h

The months with the most sunshine are July and August (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days in September
Surrey, Canada

Average sunshine days in September - Surrey, Canada
  • Average sunshine days in September: 13.1 days

The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is March (7.8 days).

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Average UV index in September
Surrey, Canada

Average UV index in September - Surrey, Canada
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Surrey, Canada

Average cloud cover in September - Surrey, Canada
  • Average cloud cover in September: 37

The months with the most cloud cover are January and December (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in September
Surrey, Canada

Average visibility in September - Surrey, Canada
  • Average visibility in September: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).

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