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 shift from August to September is characterized by an average high-temperature of a still comfortable 61.7°F (16.5°C), not significantly different from the 63.7°F (17.6°C) of August. Neah Bay reports an average low temperature of 53.1°F (11.7°C) in September, a minor decrease from the day's highs.Humidity
In Neah Bay, the average relative humidity in September is 83%.Rainfall
In Neah Bay, during September, the rain falls for 10.1 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Neah Bay, during the entire year, the rain falls for 141.9 days and collects up to 17.17" (436mm) of precipitation.Snowfall
April through November are months without snowfall.Ocean temperature
In Neah Bay, in September, the average water temperature is 54.1°F (12.3°C).Note: With the appropriate swimsuit, one can swim in 54.1°F (12.3°C) even if temperatures dip below 50°F (10°C); otherwise, be ready for cold shock and breath issues. A fleeting swim around 55.4°F (13°C) is distressing.
Daylight
In Neah Bay, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:37 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:58 pm PDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The months with the highest UV index in Neah Bay are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Neah Bay in September?
What is the average humidity in September in Neah Bay?
How much does it rain in Neah Bay in September?
When it does not snow in Neah Bay?
What is the water temperature in September in Neah Bay?
How many hours of daylight does Neah Bay have in September?
When are sunrise and sunset in September in Neah Bay?
How many hours of sunshine does Neah Bay have in September?
What is the month with the highest UV index in Neah Bay?
How high is the UV index in September in Neah Bay?
Average temperature in September
Neah Bay, WA
- Average high temperature in September: 61.7°F
The warmest month (with the highest average high temperature) is August (63.7°F).
The months with the lowest average high temperature are February and December (44.8°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is February (39.6°F).
Average pressure in September
Neah Bay, WA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is July (30.07"Hg).
The months with the lowest atmospheric pressure are March and November (29.98"Hg).
Average wind speed in September
Neah Bay, WA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Neah Bay, WA
- Average humidity in September: 83%
The months with the highest relative humidity are January and August (84%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Neah Bay, WA
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is January (3.07").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in September
Neah Bay, WA
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is November (16.4 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in September
Neah Bay, WA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Neah Bay, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Neah Bay, WA
- Average sea temperature in September: 54.1°F
The best month for swimming (with the highest average sea temperature) is July (55.1°F).
The coldest month (with the lowest average sea temperature) is February (46.8°F).
Average daylight in September /
Average sunshine in September
Neah Bay, WA
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Neah Bay, WA
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is November (11.2 days).
Average UV index in September
Neah Bay, WA
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Neah Bay, WA
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Neah Bay, 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).
Neah Bay, Washington, USA
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