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 transition from August to September in Sand Point brings an average high-temperature of a still cool 51.6°F (10.9°C), barely different from August's 54.7°F (12.6°C). Sand Point encounters a negligible difference from daytime peaks throughout the September nights, with a low-temperature average of 48.2°F (9°C).Humidity
In Sand Point, the average relative humidity in September is 84%.Rainfall
In Sand Point, during September, the rain falls for 14.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Sand Point, during the entire year, the rain falls for 172 days and collects up to 32.6" (828mm) of precipitation.Snowfall
In Sand Point, snow does not fall in June through September.Ocean temperature
In September, the average ocean temperature is 51.1°F (10.6°C).Note: Staying in 51.1°F (10.6°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
In September, the average length of the day is 12h and 41min.On the first day of the month, sunrise is at 7:49 am and sunset at 9:33 pm. On the last day of September, sunrise is at 8:44 am and sunset at 8:18 pm AKDT.
Sunshine
In September, the average sunshine is 5.3h.UV index
In Sand Point, Alaska, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 2 translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the water temperature in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Sand Point?
What is the UV index intensity in September?
Average temperature in September
Sand Point, AK
- Average high temperature in September: 51.6°F
The warmest month (with the highest average high temperature) is August (54.7°F).
The month with the lowest average high temperature is March (34°F).
- Average low temperature in September: 48.2°F
The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is March (28.9°F).
Average pressure in September
Sand Point, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The months with the lowest atmospheric pressure are January and December (29.52"Hg).
Average wind speed in September
Sand Point, AK
- Average wind speed in September: 13.7mph
The windiest month (with the highest average wind speed) is December (16.8mph).
The calmest month (with the lowest average wind speed) is July (9.2mph).
Average humidity in September
Sand Point, AK
- Average humidity in September: 84%
The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is November (79%).
Average rainfall in September
Sand Point, AK
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is July (1.26").
Average rainfall days in September
Sand Point, AK
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is December (18.2 days).
The month with the least rainy days is June (10.3 days).
Average snowfall in September
Sand Point, AK
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sand Point, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Sand Point, AK
- Average sea temperature in September: 51.2°F
The best month for swimming (with the highest average sea temperature) is August (53.1°F).
The coldest month (with the lowest average sea temperature) is March (38°F).
Average daylight in September /
Average sunshine in September
Sand Point, AK
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in September
Sand Point, AK
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is June (17.7 days).
The month with the least sunshine days is December (4.6 days).
Average UV index in September
Sand Point, AK
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are March and December (UV index 1).
Average cloud cover in September
Sand Point, AK
- Average cloud cover in September: 60
The months with the most cloud cover are February and December (Cloud cover 68).
The months with the least cloud cover are March and September (Cloud cover 60).
Average visibility in September
Sand Point, AK
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Sand Point, Alaska, USA
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