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 shift from August to September coincides with a small decrease in the average high-temperature, down to a fresh 54.5°F (12.5°C) from a refreshing 63°F (17.2°C). The average nighttime temperature lowers to a frosty 43.2°F (6.2°C) throughout September.Humidity
In September, the average relative humidity in Ridgeway is 80%.Rainfall
The month with the most rainfall is September, when the rain falls for 19.2 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
Months with snowfall in Ridgeway are January through May, September through December. September is the first month it typically snows in Ridgeway. Throughout September, in the average 0.4 snowfall days, it receives 0.24" (6mm) of snow. In Ridgeway, during the entire year, snow falls for 74.6 days and aggregates up to 37.32" (948mm) of snow.Daylight
In September, the average length of the day in Ridgeway is 12h and 50min.On the first day of the month, sunrise is at 7:00 am and sunset at 9:07 pm. On the last day of September, sunrise is at 8:10 am and sunset at 7:37 pm AKDT.
Sunshine
The average sunshine in September in Ridgeway is 6.1h.UV index
In September, the average daily maximum UV index in Ridgeway is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 during September leads to these advisories:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are the temperatures in Ridgeway in September?
What is the average humidity in September in Ridgeway?
What is the rainiest month in Ridgeway?
How much does it rain in Ridgeway in September?
When does it start to snow in Ridgeway?
How many hours of daylight does Ridgeway have in September?
When is the sunrise / sunset in September in Ridgeway?
How long on average sun shines in September in Ridgeway?
What is the UV index reading in September in Ridgeway?
Average temperature in September
Ridgeway, AK
- Average high temperature in September: 54.5°F
The warmest month (with the highest average high temperature) is July (65.1°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 43.2°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 (15.8°F).
Average pressure in September
Ridgeway, AK
- Average pressure in September: 29.73"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.64"Hg).
Average wind speed in September
Ridgeway, AK
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are November and December (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Ridgeway, AK
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and March (90%).
The month with the lowest relative humidity is May (65%).
Average rainfall in September
Ridgeway, AK
- Average rainfall in September: 3.19"
The wettest month (with the highest rainfall) is September (3.19").
The driest month (with the least rainfall) is March (1.1").
Average rainfall days in September
Ridgeway, AK
- Average rainfall days in September: 19.2 days
The month with the highest number of rainy days is September (19.2 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in September
Ridgeway, AK
- Average snowfall in September: 0.24"
The month with the highest snowfall is December (9.45").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Ridgeway, AK
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Ridgeway, 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: 6h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Ridgeway, AK
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is July (13.9 days).
The month with the least sunshine days is September (9.2 days).
Average UV index in September
Ridgeway, 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 February, March and December (UV index 1).
Average cloud cover in September
Ridgeway, AK
- Average cloud cover in September: 53
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in September
Ridgeway, 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 and March (4mi).
Ridgeway, Alaska, USA
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