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 commencement of September in Nenana involves a temperature shift, with the average high-temperature dropping from a refreshing 65.7°F (18.7°C) in August to a fresh 53.8°F (12.1°C). An average nighttime temperature of 37.4°F (3°C) is witnessed in Nenana throughout September.Humidity
In September, the average relative humidity in Nenana is 75%.Rainfall
In Nenana, in September, during 10.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, in Nenana, there are 82.9 rainfall days, and 10.75" (273mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Nenana. Throughout September, in the average 1.4 snowfall days, it receives 0.51" (13mm) of snow. In Nenana, during the entire year, snow falls for 80.5 days and aggregates up to 24.09" (612mm) of snow.Daylight
The average length of the day in September in Nenana, Alaska, is 12h and 59min.On the first day of September in Nenana, sunrise is at 6:40 am and sunset at 9:11 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 7:26 pm AKDT.
Sunshine
In Nenana, the average sunshine in September is 6.9h.UV index
In Nenana, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the temperatures in Nenana in September?
What is the average humidity in September in Nenana?
How much does it rain in Nenana in September?
When does it start snowing in Nenana?
How many hours of daylight does Nenana have in September?
What time are sunrise and sunset in September in Nenana?
How long on average sun shines in September in Nenana?
How high is the UV index in September in Nenana?
Average temperature in September
Nenana, AK
- Average high temperature in September: 53.8°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is January (1.4°F).
- Average low temperature in September: 37.4°F
The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is January (-10.8°F).
Average pressure in September
Nenana, AK
- Average pressure in September: 29.77"Hg
The month with the highest atmospheric pressure is February (29.96"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed in September
Nenana, AK
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is July (5.2mph).
The calmest months (with the lowest average wind speed) are January, August, September and October (4.7mph).
Average humidity in September
Nenana, AK
- Average humidity in September: 75%
The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (54%).
Average rainfall in September
Nenana, AK
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in September
Nenana, AK
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is August (14.9 days).
The month with the least rainy days is February (0.8 days).
Average snowfall in September
Nenana, AK
- Average snowfall in September: 0.51"
The month with the highest snowfall is November (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Nenana, AK
- Average snowfall days in September: 1.4 days
The month with the highest number of snowfall days is March (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Nenana, 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 6min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Nenana, AK
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in September
Nenana, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Nenana, AK
- Average cloud cover in September: 50
The month with the most cloud cover is March (Cloud cover 67).
The months with the least cloud cover are May and June (Cloud cover 42).
Average visibility in September
Nenana, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are February and March (2mi).
Nenana, Alaska, USA
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