September weather forecast
Point Roberts, WA

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Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Point Roberts, WA

Average temperature in September - Point Roberts, WA
  • Average high temperature in September: 62.1°F

The warmest month (with the highest average high temperature) is July (66.9°F).
The month with the lowest average high temperature is December (41.5°F).

  • Average low temperature in September: 53.8°F

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (36.5°F).

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Average pressure in September
Point Roberts, WA

Average pressure in September - Point Roberts, WA
  • Average pressure in September: 30.01"Hg

The months with the highest atmospheric pressure are January and December (30.06"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).

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Average wind speed in September
Point Roberts, WA

Average wind speed in September - Point Roberts, WA
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is November (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Point Roberts, WA

Average humidity in September - Point Roberts, WA
  • Average humidity in September: 80%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (76%).

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Average rainfall in September
Point Roberts, WA

Average rainfall in September - Point Roberts, WA
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is November (4.53").
The driest month (with the least rainfall) is July (0.67").

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Average rainfall days in September
Point Roberts, WA

Average rainfall days in September - Point Roberts, WA
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (6.4 days).

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Average snowfall in September
Point Roberts, WA

Average snowfall in September - Point Roberts, WA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Point Roberts, WA

Average snowfall days in September - Point Roberts, WA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Point Roberts, WA

Average daylight in September / Average sunshine in September - Point Roberts, WA
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

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Average sunshine days in September
Point Roberts, WA

Average sunshine days in September - Point Roberts, WA
  • Average sunshine days in September: 17 days

The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is March (10.9 days).

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Average UV index in September
Point Roberts, WA

Average UV index in September - Point Roberts, WA
  • Average UV index in September: 4

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
Point Roberts, WA

Average cloud cover in September - Point Roberts, WA
  • Average cloud cover in September: 36

The month with the most cloud cover is December (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 26).

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Average visibility in September
Point Roberts, WA

Average visibility in September - Point Roberts, WA
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Point Roberts, Washington, USA

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