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
Observing a mild shift, the average high-temperature during September reduces from August's refreshing 64.2°F (17.9°C) to a fresh 52.7°F (11.5°C). In Harding Lake, September's nights observe an average temperature dip to an icy 37°F (2.8°C).Humidity
In Harding Lake, the average relative humidity in September is 74%.Rainfall
In Harding Lake, in September, it is raining for 11 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 105.3 rainfall days, and 10.16" (258mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harding Lake are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 2 snowfall days, it receives 0.67" (17mm) of snow. In Harding Lake, during the entire year, snow falls for 85.5 days and aggregates up to 28.27" (718mm) of snow.Daylight
The average length of the day in September is 12h and 59min.On the first day of the month, sunrise is at 6:31 am and sunset at 9:02 pm. On the last day of September, sunrise is at 7:56 am and sunset at 7:17 pm AKDT.
Sunshine
The average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, a regular UV index of 2 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Harding Lake, AK
- Average high temperature in September: 52.7°F
The warmest month (with the highest average high temperature) is July (71.2°F).
The month with the lowest average high temperature is January (2.7°F).
- Average low temperature in September: 37°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (-8.3°F).
Average pressure in September
Harding Lake, AK
- Average pressure in September: 29.77"Hg
The month with the highest atmospheric pressure is February (29.97"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed in September
Harding Lake, AK
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is May (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Harding Lake, AK
- Average humidity in September: 74%
The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are May and June (56%).
Average rainfall in September
Harding Lake, AK
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Harding Lake, AK
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Harding Lake, AK
- Average snowfall in September: 0.67"
The month with the highest snowfall is November (6.3").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Harding Lake, AK
- Average snowfall days in September: 2 days
The month with the highest number of snowfall days is November (14.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Harding Lake, AK
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 21h and 6min).
The month with the shortest days is December (Average daylight: 4h and 12min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Harding Lake, AK
- Average sunshine days in September: 15.6 days
The months with the most sunshine days are January and October (19.2 days).
The month with the least sunshine days is April (11.5 days).
Average UV index in September
Harding Lake, 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, March and December (UV index 1).
Average cloud cover in September
Harding Lake, AK
- Average cloud cover in September: 46
The months with the most cloud cover are March and November (Cloud cover 52).
The month with the least cloud cover is May (Cloud cover 38).
Average visibility in September
Harding Lake, 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 (4mi).
Harding Lake, Alaska, USA
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