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
The beginning of September involves a decrease in the average high-temperature, transitioning from a refreshing 63.3°F (17.4°C) in August to a cool 52°F (11.1°C). During the month of September, Northway experiences a steady low-temperature average of 36.5°F (2.5°C).Humidity
The average relative humidity in September is 69%.Rainfall
In Northway, in September, it is raining for 9.3 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 82.1 rainfall days, and 7.56" (192mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, August through December. In Northway, during September, snow falls for 2.2 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 84.1 snowfall days, and 17.28" (439mm) of snow is accumulated.Daylight
In Northway, Alaska, the average length of the day in September is 12h and 56min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:37 pm. On the last day of September, sunrise is at 7:35 am and sunset at 6:59 pm AKDT.
Sunshine
In Northway, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 2 in September transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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 much does it rain in September?
How many days does it snow in September?
What is the average length of the day in September in Northway?
What time are sunrise and sunset in September?
How many hours of sunshine does Northway have in September?
What is the UV index reading in September?
Average temperature in September
Northway, AK
- Average high temperature in September: 52°F
The warmest month (with the highest average high temperature) is July (69.4°F).
The month with the lowest average high temperature is January (-0.2°F).
- Average low temperature in September: 36.5°F
The month with the highest average low temperature is July (49.8°F).
The coldest month (with the lowest average low temperature) is January (-10.5°F).
Average pressure in September
Northway, AK
- Average pressure in September: 29.78"Hg
The month with the highest atmospheric pressure is February (30"Hg).
The month with the lowest atmospheric pressure is September (29.78"Hg).
Average wind speed in September
Northway, AK
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is March (3.8mph).
Average humidity in September
Northway, AK
- Average humidity in September: 69%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (53%).
Average rainfall in September
Northway, AK
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is March (0.24").
Average rainfall days in September
Northway, AK
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is December (1.3 days).
Average snowfall in September
Northway, AK
- Average snowfall in September: 0.59"
The month with the highest snowfall is November (3.39").
The months with the least snowfall are June and July (0").
Average snowfall days in September
Northway, AK
- Average snowfall days in September: 2.2 days
The month with the highest number of snowfall days is November (15.1 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Northway, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 4h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 13h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in September
Northway, AK
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in September
Northway, AK
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in September
Northway, AK
- Average cloud cover in September: 41
The months with the most cloud cover are March and November (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Northway, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Northway, Alaska, USA
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