September weather forecastTin City, AK
September
Weather in September
September, the first month of the autumn in Tin City, is still a chilly month, with an average temperature ranging between max 44.8°F (7.1°C) and min 41°F (5°C).Temperature
Tin City's shift into September sets the average high-temperature at a frosty 44.8°F (7.1°C), a figure that deviates only slightly from August's 50°F (10°C). In Tin City, the nighttime temperature shows a slight difference from the daytime high, averaging to an icy 41°F (5°C) during September.Humidity
In Tin City, the average relative humidity in September is 81%.Rainfall
In Tin City, during September, the rain falls for 12.5 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Tin City, Alaska, during the entire year, the rain falls for 86.5 days and collects up to 14.25" (362mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 2.7 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 90 snowfall days, and 20.51" (521mm) of snow is accumulated.Daylight
In September, the average length of the day is 13h and 2min.On the first day of September, sunrise is at 7:52 am and sunset at 10:30 pm. On the last day of the month, sunrise is at 9:22 am and sunset at 8:40 pm AKDT.
Sunshine
In Tin City, the average sunshine in September is 4.9h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during September morphs into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tin City, AK
- Average high temperature in September: 44.8°F
The warmest month (with the highest average high temperature) is August (50°F).
The month with the lowest average high temperature is January (9°F).
- Average low temperature in September: 41°F
The month with the highest average low temperature is August (45.3°F).
The coldest months (with the lowest average low temperature) are February and March (1.8°F).
Average pressure in September
Tin City, AK
- Average pressure in September: 29.77"Hg
The month with the highest atmospheric pressure is May (29.96"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed in September
Tin City, AK
- Average wind speed in September: 14.9mph
The windiest month (with the highest average wind speed) is December (17.5mph).
The calmest month (with the lowest average wind speed) is May (12mph).
Average humidity in September
Tin City, AK
- Average humidity in September: 81%
The month with the highest relative humidity is March (93%).
The months with the lowest relative humidity are October and November (79%).
Average rainfall in September
Tin City, AK
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Tin City, AK
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in September
Tin City, AK
- Average snowfall in September: 0.28"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Tin City, AK
- Average snowfall days in September: 2.7 days
The month with the highest number of snowfall days is April (13 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Tin City, AK
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 22h and 30min).
The month with the shortest days is December (Average daylight: 3h and 30min).
- Average sunshine in September: 4h and 54min
The month with the most sunshine is August (Average sunshine: 5h and 42min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in September
Tin City, AK
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is June (18.4 days).
The month with the least sunshine days is October (11.1 days).
Average UV index in September
Tin City, AK
- Average UV index in September: 2
The month with the highest UV index is July (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in September
Tin City, AK
- Average cloud cover in September: 65
The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is June (Cloud cover 52).
Average visibility in September
Tin City, 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 (5mi).





