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
With the arrival of September, Nome notices a mild change in the average high-temperature, sliding from August's cool 54°F (12.2°C) to a chilly 47.3°F (8.5°C). Nome maintains an average low-temperature of 42.1°F (5.6°C) throughout September's nights.Humidity
The average relative humidity in September in Nome is 78%.Rainfall
In Nome, in September, during 11.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Nome, during the entire year, the rain falls for 81.6 days and collects up to 16.77" (426mm) of precipitation.Snowfall
Months with snowfall in Nome are January through May, September through December. September is the first month it typically snows in Nome, Alaska. Throughout September, in the average 1 snowfall days, it receives 0.12" (3mm) of snow. In Nome, during the entire year, snow falls for 65.1 days and aggregates up to 25" (635mm) of snow.Ocean temperature
In Nome, the average seawater temperature in September is 48.6°F (9.2°C).Note: Diving into 48.6°F (9.2°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.
Daylight
In Nome, the average length of the day in September is 12h and 59min.On the first day of September in Nome, Alaska, sunrise is at 7:46 am and sunset at 10:16 pm. On the last day of the month, sunrise is at 9:10 am and sunset at 8:31 pm AKDT.
Sunshine
In September, the average sunshine is 5.8h.UV index
The average daily maximum UV index in September in Nome is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during September leads to these advisories:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are September temperatures in Nome?
What is the average humidity in September in Nome?
How many days does it rain in September in Nome?
When does it start to snow in Nome?
How cold is the water in September in Nome?
How many hours of daylight does Nome have in September?
When is the sunrise / sunset in September in Nome?
How many hours of sunshine does Nome have in September?
What is the UV index reading in September in Nome?
Average temperature in September
Nome, AK
- Average high temperature in September: 47.3°F
The warmest month (with the highest average high temperature) is July (54.3°F).
The month with the lowest average high temperature is January (10.4°F).
- Average low temperature in September: 42.1°F
The months with the highest average low temperature are July and August (48.7°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).
Average pressure in September
Nome, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is May (29.94"Hg).
The month with the lowest atmospheric pressure is October (29.7"Hg).
Average wind speed in September
Nome, AK
- Average wind speed in September: 11.1mph
The windiest month (with the highest average wind speed) is November (13.2mph).
The calmest month (with the lowest average wind speed) is May (8mph).
Average humidity in September
Nome, AK
- Average humidity in September: 78%
The months with the highest relative humidity are February and March (89%).
The month with the lowest relative humidity is June (76%).
Average rainfall in September
Nome, AK
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is May (0.71").
Average rainfall days in September
Nome, AK
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Nome, AK
- Average snowfall in September: 0.12"
The month with the highest snowfall is March (5.08").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Nome, AK
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is December (11.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average sea temperature in September
Nome, AK
- Average sea temperature in September: 48.5°F
The best month for swimming (with the highest average sea temperature) is August (52.5°F).
The coldest months (with the lowest average sea temperature) are March and April (28.9°F).
Average daylight in September /
Average sunshine in September
Nome, AK
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 12min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in September
Nome, AK
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is March (20.8 days).
The month with the least sunshine days is August (13.6 days).
Average UV index in September
Nome, AK
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are January, October, November and December (UV index 1).
Average cloud cover in September
Nome, AK
- Average cloud cover in September: 54
The month with the most cloud cover is July (Cloud cover 60).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in September
Nome, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Nome, Alaska, USA
Weather forecast for your location
2. Allow the app to use your location
