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
Primrose experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a cool 55°F (12.8°C) in August to a chilly 47.3°F (8.5°C). In September, Primrose reports a consistent average low-temperature of 36.7°F (2.6°C) during the nights.Humidity
The average relative humidity in September in Primrose, Alaska, is 86%.Rainfall
In Primrose, Alaska, in September, it is raining for 20.9 days, with typically 4.76" (121mm) of accumulated precipitation. In Primrose, during the entire year, the rain falls for 182.8 days and collects up to 46.1" (1171mm) of precipitation.Snowfall
Months with snowfall in Primrose are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.28" (7mm) of snow. In Primrose, during the entire year, snow falls for 116.2 days and aggregates up to 116.38" (2956mm) of snow.Daylight
The average length of the day in September in Primrose is 12h and 50min.On the first day of the month, sunrise is at 6:53 am and sunset at 9:00 pm. On the last day of September, in Primrose, sunrise is at 8:03 am and sunset at 7:30 pm AKDT.
Sunshine
In Primrose, the average sunshine in September is 5.8h.UV index
In Primrose, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during September, leads to the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the usual temperature for Primrose in September?
What is the average humidity in September in Primrose?
How much does it rain in Primrose in September?
When does it start to snow in Primrose?
How many hours of daylight does Primrose have in September?
What time are sunrise and sunset in September in Primrose?
How long on average sun shines in September in Primrose?
What is the UV index reading in September in Primrose?
Average temperature in September
Primrose, AK
- Average high temperature in September: 47.3°F
The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in September: 36.7°F
The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in September
Primrose, AK
- Average pressure in September: 29.74"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.62"Hg).
Average wind speed in September
Primrose, AK
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is November (6mph).
The calmest month (with the lowest average wind speed) is June (4.4mph).
Average humidity in September
Primrose, AK
- Average humidity in September: 86%
The months with the highest relative humidity are March and December (92%).
The month with the lowest relative humidity is June (78%).
Average rainfall in September
Primrose, AK
- Average rainfall in September: 4.76"
The wettest month (with the highest rainfall) is December (6.02").
The driest month (with the least rainfall) is June (2.2").
Average rainfall days in September
Primrose, AK
- Average rainfall days in September: 20.9 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Primrose, AK
- Average snowfall in September: 0.28"
The month with the highest snowfall is December (24.06").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Primrose, AK
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (20.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Primrose, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 5h and 5min
The months with the most sunshine are May and July (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Primrose, AK
- Average sunshine days in September: 7 days
The month with the most sunshine days is January (9.9 days).
The month with the least sunshine days is September (7 days).
Average UV index in September
Primrose, AK
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Primrose, AK
- Average cloud cover in September: 59
The month with the most cloud cover is April (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 54).
Average visibility in September
Primrose, AK
- Average visibility in September: 5mi
The month with the highest visibility is June (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Primrose, Alaska, USA
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