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
September brings a minor decrease, with the average high-temperature reducing from a refreshing 59.5°F (15.3°C) in August to a fresh 50°F (10°C). Throughout September, Tyonek witnesses a nighttime temperature average of 38.7°F (3.7°C).Humidity
In Tyonek, Alaska, the average relative humidity in September is 82%.Rainfall
In September, in Tyonek, the rain falls for 19.8 days. Throughout September, 4.49" (114mm) of precipitation is accumulated. Throughout the year, in Tyonek, there are 139.5 rainfall days, and 31.89" (810mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 1.1 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, there are 99.7 snowfall days, and 99.45" (2526mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 52min.On the first day of the month, sunrise is at 6:59 am and sunset at 9:09 pm. On the last day of September, sunrise is at 8:10 am and sunset at 7:37 pm AKDT.
Sunshine
In September, the average sunshine in Tyonek is 5.5h.UV index
In Tyonek, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 2 turns into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are September temperatures in Tyonek?
What is the average humidity in September in Tyonek?
How many days does it rain in September in Tyonek?
When does it start snowing in Tyonek?
How many hours of daylight does Tyonek have in September?
What time are sunrise and sunset in September in Tyonek?
How long on average sun shines in September in Tyonek?
What is the UV index reading in September in Tyonek?
Average temperature in September
Tyonek, AK
- Average high temperature in September: 50°F
The warmest month (with the highest average high temperature) is July (63.1°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in September: 38.7°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in September
Tyonek, AK
- Average pressure in September: 29.74"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.68"Hg).
Average wind speed in September
Tyonek, AK
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in September
Tyonek, AK
- Average humidity in September: 82%
The months with the highest relative humidity are March and April (86%).
The months with the lowest relative humidity are May and June (69%).
Average rainfall in September
Tyonek, AK
- Average rainfall in September: 4.49"
The wettest month (with the highest rainfall) is October (4.61").
The driest month (with the least rainfall) is June (1.38").
Average rainfall days in September
Tyonek, AK
- Average rainfall days in September: 19.8 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Tyonek, AK
- Average snowfall in September: 0.43"
The month with the highest snowfall is December (24.17").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Tyonek, AK
- Average snowfall days in September: 1.1 days
The month with the highest number of snowfall days is December (17.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Tyonek, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in September: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Tyonek, AK
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is January (15.8 days).
The month with the least sunshine days is September (8.4 days).
Average UV index in September
Tyonek, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are March, October and December (UV index 1).
Average cloud cover in September
Tyonek, AK
- Average cloud cover in September: 58
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in September
Tyonek, AK
- Average visibility in September: 5mi
The months with the highest visibility are May, June and July (6mi).
The month with the lowest visibility is April (4mi).
Tyonek, Alaska, USA
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