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 onset of September results in a small decrease in the average high-temperature, moderately receding from a fresh 55°F (12.8°C) in August to a frosty 47.3°F (8.5°C). During the month of September, Mud Bay's average nighttime temperature closely mirrors its daytime counterpart, at a wintry 38.7°F (3.7°C).Humidity
In Mud Bay, the average relative humidity in September is 84%.Rainfall
In Mud Bay, during September, the rain falls for 19.5 days and regularly aggregates up to 4.65" (118mm) of precipitation. In Mud Bay, during the entire year, the rain falls for 200.4 days and collects up to 48.03" (1220mm) of precipitation.Snowfall
In Mud Bay, snow does not fall in June through September.Daylight
In Mud Bay, the average length of the day in September is 12h and 48min.On the first day of September in Mud Bay, sunrise is at 6:00 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:36 pm AKDT.
Sunshine
In September, the average sunshine in Mud Bay is 6.4h.UV index
In Mud Bay, Alaska, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in September leads to these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the temperature in September in Mud Bay?
What is the average humidity in September in Mud Bay?
How many days does it rain in September in Mud Bay?
When it does not snow in Mud Bay?
Does it snow in Mud Bay in September?
What is the average length of the day in September in Mud Bay?
What time are sunrise and sunset in September in Mud Bay?
How long on average sun shines in September in Mud Bay?
What is the UV index reading in September in Mud Bay?
Average temperature in September
Mud Bay, AK
- Average high temperature in September: 47.3°F
The warmest month (with the highest average high temperature) is July (56.5°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in September: 38.7°F
The month with the highest average low temperature is August (44.1°F).
The coldest month (with the lowest average low temperature) is February (12.4°F).
Average pressure in September
Mud Bay, AK
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is July (30.01"Hg).
The month with the lowest atmospheric pressure is November (29.81"Hg).
Average wind speed in September
Mud Bay, AK
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is May (4.7mph).
Average humidity in September
Mud Bay, AK
- Average humidity in September: 84%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
Mud Bay, AK
- Average rainfall in September: 4.65"
The wettest month (with the highest rainfall) is November (5.87").
The driest month (with the least rainfall) is June (2.2").
Average rainfall days in September
Mud Bay, AK
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Mud Bay, AK
- Average snowfall in September: 0"
The month with the highest snowfall is December (21.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mud Bay, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mud Bay, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in September
Mud Bay, AK
- Average sunshine days in September: 8.2 days
The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is June (6.3 days).
Average UV index in September
Mud Bay, 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 February, November and December (UV index 1).
Average cloud cover in September
Mud Bay, AK
- Average cloud cover in September: 59
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in September
Mud Bay, AK
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Mud Bay, Alaska, USA
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