September weather forecast
Hobart Bay, AK

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Weather in September

September, the first month of the autumn in Hobart Bay, is still a chilly month, with an average temperature varying between 39.7°F (4.3°C) and 48.2°F (9°C).

Temperature

In Hobart Bay, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's cool 54.1°F (12.3°C) to a chilly 48.2°F (9°C). In Hobart Bay, the nighttime temperature shows a slight difference from the daytime high, averaging to an icy 39.7°F (4.3°C) during September.

Humidity

The average relative humidity in September is 90%.

Rainfall

In Hobart Bay, during September, the rain falls for 21.9 days and regularly aggregates up to 8.27" (210mm) of precipitation. In Hobart Bay, during the entire year, the rain falls for 172.4 days and collects up to 85.87" (2181mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Hobart Bay is 12h and 45min.
On the first day of the month, sunrise is at 5:56 am and sunset at 7:49 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:29 pm AKDT.

Sunshine

In Hobart Bay, the average sunshine in September is 4.9h.

UV index

The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in September, converts into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

The high-temperature during September is 48.2°F (9°C) and the low-temperature is 39.7°F (4.3°C).

What is the average humidity in September?

In Hobart Bay, the average relative humidity in September is 90%.

How many days does it rain in September?

In Hobart Bay, in September, it is raining for 21.9 days, with typically 8.27" (210mm) of accumulated precipitation.

When it does not snow?

In Hobart Bay, snow does not fall in June through September.

Does it snow in September?

In Hobart Bay, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Hobart Bay have in September?

The average day length in September is 12h and 45min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 5:56 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:29 pm AKDT.

How many hours of sunshine does Hobart Bay have in September?

In September, the average sunshine duration is 4.9h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hobart Bay, AK

Average temperature in September - Hobart Bay, AK
  • Average high temperature in September: 48.2°F

The warmest month (with the highest average high temperature) is July (55.8°F).
The months with the lowest average high temperature are January and December (25.7°F).

  • Average low temperature in September: 39.7°F

The month with the highest average low temperature is July (45.1°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).

Average pressure in September
Hobart Bay, AK

Average pressure in September - Hobart Bay, AK
  • Average pressure in September: 29.89"Hg

The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).

Average wind speed in September
Hobart Bay, AK

Average wind speed in September - Hobart Bay, AK
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is January (6.9mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).

Average humidity in September
Hobart Bay, AK

Average humidity in September - Hobart Bay, AK
  • Average humidity in September: 90%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (86%).

Average rainfall in September
Hobart Bay, AK

Average rainfall in September - Hobart Bay, AK
  • Average rainfall in September: 8.27"

The wettest month (with the highest rainfall) is October (9.88").
The driest month (with the least rainfall) is May (4.13").

Average rainfall days in September
Hobart Bay, AK

Average rainfall days in September - Hobart Bay, AK
  • Average rainfall days in September: 21.9 days

The month with the highest number of rainy days is September (21.9 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in September
Hobart Bay, AK

Average snowfall in September - Hobart Bay, AK
  • Average snowfall in September: 0"

The month with the highest snowfall is December (62.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Hobart Bay, AK

Average snowfall days in September - Hobart Bay, AK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (21.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Hobart Bay, AK

Average daylight in September / Average sunshine in September - Hobart Bay, AK
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).

  • Average sunshine in September: 4h and 5min

The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 36min).

Average sunshine days in September
Hobart Bay, AK

Average sunshine days in September - Hobart Bay, AK
  • Average sunshine days in September: 7.5 days

The month with the most sunshine days is May (10 days).
The month with the least sunshine days is November (6.1 days).

Average UV index in September
Hobart Bay, AK

Average UV index in September - Hobart Bay, AK
  • Average UV index in September: 2

The months with the highest UV index are May and July (UV index 3).
The months with the lowest UV index are January, April, October, November and December (UV index 1).

Average cloud cover in September
Hobart Bay, AK

Average cloud cover in September - Hobart Bay, AK
  • Average cloud cover in September: 67

The months with the most cloud cover are January and November (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 61).

Average visibility in September
Hobart Bay, AK

Average visibility in September - Hobart Bay, AK
  • Average visibility in September: 4mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).

Hobart Bay, Alaska, USA

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