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
Onset of September comes with a temperature decline, the average high falling from a comfortable 62.1°F (16.7°C) in August to a frosty 49.3°F (9.6°C). Manley Hot Springs experiences an average temperature drop to a cold 34.9°F (1.6°C) during September nights.Humidity
In September, the average relative humidity is 78%.Rainfall
In Manley Hot Springs, in September, during 12.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 93.5 rainfall days, and 9.96" (253mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 2.3 snowfall days, it receives 0.47" (12mm) of snow. In Manley Hot Springs, during the entire year, snow falls for 80 days and aggregates up to 26.22" (666mm) of snow.Daylight
In September, the average length of the day is 13h and 1min.On the first day of the month, sunrise is at 6:45 am and sunset at 9:19 pm. On the last day of September, sunrise is at 8:12 am and sunset at 7:32 pm AKDT.
Sunshine
The average sunshine in September is 6.6h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 2 in September translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
How many hours of daylight does Manley Hot Springs have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Manley Hot Springs, AK
- Average high temperature in September: 49.3°F
The warmest month (with the highest average high temperature) is July (69.1°F).
The month with the lowest average high temperature is January (-1.1°F).
- Average low temperature in September: 34.9°F
The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is January (-11.4°F).
Average pressure in September
Manley Hot Springs, 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
Manley Hot Springs, AK
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is May (4.9mph).
The calmest months (with the lowest average wind speed) are January, February, October, November and December (4.2mph).
Average humidity in September
Manley Hot Springs, AK
- Average humidity in September: 78%
The months with the highest relative humidity are January, February, March and December (94%).
The month with the lowest relative humidity is June (54%).
Average rainfall in September
Manley Hot Springs, AK
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Manley Hot Springs, AK
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is August (14.5 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in September
Manley Hot Springs, AK
- Average snowfall in September: 0.47"
The month with the highest snowfall is November (6.69").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Manley Hot Springs, AK
- Average snowfall days in September: 2.3 days
The month with the highest number of snowfall days is November (13.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Manley Hot Springs, AK
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 21h and 42min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in September
Manley Hot Springs, AK
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in September
Manley Hot Springs, 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 March, November and December (UV index 1).
Average cloud cover in September
Manley Hot Springs, AK
- Average cloud cover in September: 52
The month with the most cloud cover is April (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in September
Manley Hot Springs, AK
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July and August (6mi).
The months with the lowest visibility are January, February, March and December (3mi).
Manley Hot Springs, Alaska, USA
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