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 advent of September observes an average high-temperature of an enjoyable 67.8°F (19.9°C), nearly identical to August's 71.4°F (21.9°C). Throughout the month of September, Aberdeen witnesses an average low-temperature of 49.5°F (9.7°C).Humidity
In September, the average relative humidity is 82%.Rainfall
In Aberdeen, in September, during 8.4 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, there are 113.5 rainfall days, and 10.24" (260mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall.Ocean temperature
In Aberdeen, the average seawater temperature in September is 55.4°F (13°C).Note: Navigating the 55.4°F (13°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:56 pm PDT.
Sunshine
In Aberdeen, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the water temperature in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Aberdeen have in September?
How high is the UV index in September?
Average temperature in September
Aberdeen, WA
- Average high temperature in September: 67.8°F
The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (36.5°F).
Average pressure in September
Aberdeen, WA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in September
Aberdeen, WA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in September
Aberdeen, WA
- Average humidity in September: 82%
The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Aberdeen, WA
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is January (1.93").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in September
Aberdeen, WA
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in September
Aberdeen, WA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Aberdeen, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Aberdeen, WA
- Average sea temperature in September: 55.4°F
The best month for swimming (with the highest average sea temperature) is July (56.3°F).
The coldest month (with the lowest average sea temperature) is February (47.4°F).
Average daylight in September /
Average sunshine in September
Aberdeen, WA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Aberdeen, WA
- Average sunshine days in September: 20.2 days
The month with the most sunshine days is August (25.4 days).
The months with the least sunshine days are February and March (14.1 days).
Average UV index in September
Aberdeen, 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
Aberdeen, WA
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Aberdeen, WA
- Average visibility in September: 4mi
The months with the highest visibility are February, March, April, May, June and November (5mi).
The months with the lowest visibility are January, July, August, September, October and December (4mi).
Aberdeen, Washington, USA
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