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 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
Point Roberts registers an average high-temperature of a still comfortable 62.1°F (16.7°C) with the arrival of September, showing minor deviation from the preceding month. Point Roberts experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 53.8°F (12.1°C) throughout September.Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 155 rainfall days, and 30.04" (763mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:30 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:52 pm PDT.
Sunshine
In Point Roberts, the average sunshine in September is 8.6h.UV index
In Point Roberts, Washington, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Point Roberts have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Point Roberts have in September?
How high is the UV index in September?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Point Roberts, Washington, USA
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