September weather forecast
Saint Terese, AK

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Weather in September

September, the first month of the autumn in Saint Terese, is also a frosty month, with an average temperature varying between 48.4°F (9.1°C) and 41.9°F (5.5°C).

Temperature

Saint Terese's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's fresh 54°F (12.2°C) to a chilly 48.4°F (9.1°C). Saint Terese sees a gentle drop from the daily peak temperature in September, with an average low settling at a cold 41.9°F (5.5°C).

Humidity

In September, the average relative humidity is 88%.

Rainfall

In Saint Terese, in September, it is raining for 20.5 days, with typically 7.13" (181mm) of accumulated precipitation. Throughout the year, in Saint Terese, there are 203.6 rainfall days, and 74.57" (1894mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Saint Terese.

Daylight

The average length of the day in September is 12h and 47min.
On the first day of September in Saint Terese, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:34 pm AKDT.

Sunshine

In September, the average sunshine in Saint Terese is 5.5h.

UV index

In September, the average daily maximum UV index in Saint Terese is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 2 in September leads to these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the temperature in September in Saint Terese?

The high-temperature, in September, in Saint Terese, is 48.4°F (9.1°C), while the low-temperature averages to 41.9°F (5.5°C).

What is the average humidity in September in Saint Terese?

In September, the average relative humidity is 88%.

How many days does it rain in September in Saint Terese?

In Saint Terese, Alaska, in September, it is raining for 20.5 days, with typically 7.13" (181mm) of accumulated precipitation.

When it does not snow in Saint Terese?

In Saint Terese, Alaska, snow does not fall in June through September.

Does it snow in Saint Terese in September?

In Saint Terese, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Saint Terese have in September?

In Saint Terese, Alaska, the average day length in September is 12h and 47min.

What time are sunrise and sunset in September in Saint Terese?

On the first day of September in Saint Terese, Alaska, sunrise is at 6:00 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:34 pm AKDT.

How many hours of sunshine does Saint Terese have in September?

In Saint Terese, the average sunshine duration in September is 5.5h.

What is the UV index intensity in September in Saint Terese?

The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Saint Terese, AK

Average temperature in September - Saint Terese, AK
  • Average high temperature in September: 48.4°F

The warmest month (with the highest average high temperature) is July (55°F).
The months with the lowest average high temperature are January and December (27.7°F).

  • Average low temperature in September: 41.9°F

The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is February (19.9°F).

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Average pressure in September
Saint Terese, AK

Average pressure in September - Saint Terese, AK
  • Average pressure in September: 29.88"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).

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Average wind speed in September
Saint Terese, AK

Average wind speed in September - Saint Terese, AK
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest months (with the lowest average wind speed) are June and July (3.8mph).

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Average humidity in September
Saint Terese, AK

Average humidity in September - Saint Terese, AK
  • Average humidity in September: 88%

The months with the highest relative humidity are January and August (89%).
The month with the lowest relative humidity is November (85%).

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Average rainfall in September
Saint Terese, AK

Average rainfall in September - Saint Terese, AK
  • Average rainfall in September: 7.13"

The wettest month (with the highest rainfall) is October (9.06").
The driest month (with the least rainfall) is May (3.5").

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Average rainfall days in September
Saint Terese, AK

Average rainfall days in September - Saint Terese, AK
  • Average rainfall days in September: 20.5 days

The month with the highest number of rainy days is October (21.6 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in September
Saint Terese, AK

Average snowfall in September - Saint Terese, AK
  • Average snowfall in September: 0"

The month with the highest snowfall is December (26.69").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Saint Terese, AK

Average snowfall days in September - Saint Terese, AK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Saint Terese, AK

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

The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).

  • Average sunshine in September: 5h and 3min

The month with the most sunshine is June (Average sunshine: 7h and 42min).
The months with the least sunshine are January and November (Average sunshine: 3h and 0min).

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Average sunshine days in September
Saint Terese, AK

Average sunshine days in September - Saint Terese, AK
  • Average sunshine days in September: 8.1 days

The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is January (6.4 days).

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Average UV index in September
Saint Terese, AK

Average UV index in September - Saint Terese, AK
  • Average UV index in September: 2

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

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Average cloud cover in September
Saint Terese, AK

Average cloud cover in September - Saint Terese, AK
  • Average cloud cover in September: 63

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is May (Cloud cover 56).

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Average visibility in September
Saint Terese, AK

Average visibility in September - Saint Terese, AK
  • Average visibility in September: 5mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (5mi).
The months with the lowest visibility are January, July and August (4mi).

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Saint Terese, Alaska, USA

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