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
With the arrival of September, Palmer notices a mild change in the average high-temperature, sliding from August's moderate 57.6°F (14.2°C) to a frosty 48.7°F (9.3°C). During the month of September, an average low-temperature of 36.5°F (2.5°C) is recorded.Humidity
In Palmer, the average relative humidity in September is 77%.Rainfall
September is the month with the most rainfall. Rain falls for 20.6 days and accumulates 2.24" (57mm) of precipitation.Snowfall
Months with snowfall in Palmer are January through May, September through December. September is the first month it typically snows in Palmer, Alaska. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 76.2 snowfall days, and 33.5" (851mm) of snow is accumulated.Daylight
In September, the average length of the day in Palmer is 12h and 52min.On the first day of the month, sunrise is at 6:49 am and sunset at 9:02 pm. On the last day of September, in Palmer, sunrise is at 8:03 am and sunset at 7:29 pm AKDT.
Sunshine
In Palmer, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September in Palmer is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during September translates into the following guidance:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What are the temperatures in Palmer in September?
What is the average humidity in September in Palmer?
What is the wettest month in Palmer?
How much does it rain in Palmer in September?
When does it start snowing in Palmer?
How many hours of daylight does Palmer have in September?
When is the sunrise / sunset in September in Palmer?
How long on average sun shines in September in Palmer?
What is the UV index intensity in September in Palmer?
Average temperature in September
Palmer, AK
- Average high temperature in September: 48.7°F
The warmest month (with the highest average high temperature) is July (61.2°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in September: 36.5°F
The month with the highest average low temperature is July (44.2°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in September
Palmer, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.7"Hg).
Average wind speed in September
Palmer, AK
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).
Average humidity in September
Palmer, AK
- Average humidity in September: 77%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are May and June (69%).
Average rainfall in September
Palmer, AK
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is September (2.24").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Palmer, AK
- Average rainfall days in September: 20.6 days
The month with the highest number of rainy days is June (22.4 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Palmer, AK
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (6.93").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Palmer, AK
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Palmer, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is May (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in September
Palmer, AK
- Average sunshine days in September: 7.5 days
The month with the most sunshine days is January (13.9 days).
The month with the least sunshine days is June (5.3 days).
Average UV index in September
Palmer, 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 January and December (UV index 1).
Average cloud cover in September
Palmer, AK
- Average cloud cover in September: 42
The month with the most cloud cover is April (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 37).
Average visibility in September
Palmer, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are February, March and April (4mi).
Palmer, Alaska, USA
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