September weather - Autumn 2024

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 sea temperature 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

The magnificent island city of Craig in Alaska, with the surrounding forestry and hilly ranges

Weather in September

September in Craig brings a noticeable change in the Antarctic city's climate, with temperatures dropping and a decrease in daylight hours. Despite the reduced temperature, rainfall continues to be high, marked at 6.69" (170mm). Craig has longer nights due to lesser daylight hours, indicating the start of the fall season. Meeting the end of the summer, the city switch into autumn comes with crisp air and breathtaking fall colors.

Temperature

The start of September sees the average high-temperature at a still refreshing 56.3°F (13.5°C), showing little difference from August's 59.5°F (15.3°C). Craig upholds a consistent average temperature of 48.2°F (9°C) throughout the nights of September.

Humidity

The average relative humidity in September is 87%.

Rainfall

In Craig, in September, it is raining for 20.3 days, with typically 6.69" (170mm) of accumulated precipitation. Throughout the year, there are 210.2 rainfall days, and 70.71" (1796mm) of precipitation is accumulated.

Snowfall

In Craig, snow does not fall in June through September.

Ocean temperature

In Craig, in September, the average water temperature is 54.3°F (12.4°C).
Note: Navigating the 54.3°F (12.4°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.

Daylight

The average length of the day in September is 12h and 42min.
On the first day of September, sunrise is at 5:59 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:29 pm AKDT.

Sunshine

In Craig, the average sunshine in September is 5.9h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

The high-temperature, in September, in Craig, is 56.3°F (13.5°C), while the low-temperature averages to 48.2°F (9°C).

What is the average humidity in September?

In September, the average relative humidity is 87%.

How much does it rain in September?

In Craig, in September, it is raining for 20.3 days, with typically 6.69" (170mm) of accumulated precipitation.

When it does not snow?

In Craig, snow does not fall in June through September.

Does it snow in September?

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

What is the water temperature in September?

In Craig, in September, the average water temperature is 54.3°F (12.4°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Craig have in September?

The average day length in September is 12h and 42min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 5:59 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:29 pm AKDT.

How long on average sun shines in September in Craig?

In September, the average sunshine duration is 5.9h.

What is the UV index reading in September?

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

59.5°F 15.3°C

56.3°F 13.5°C

48.9°F 9.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.4mph 10.3km/h

7.4mph 11.9km/h

9.1mph 14.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.8

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

8.1

8.5

7.2

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Craig, AK

Average high temperature in September: 56.3°F

The warmest month (with the highest average high temperature) is August (59.5°F).
The months with the lowest average high temperature are January, February and December (38.1°F).

Average low temperature in September: 48.2°F

The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is February (31.8°F).

Average pressure in September
Craig, AK

Average pressure in September: 29.91"Hg

The month with the highest atmospheric pressure is July (30.06"Hg).
The month with the lowest atmospheric pressure is November (29.76"Hg).

Average wind speed in September
Craig, AK

Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in September
Craig, AK

Average humidity in September: 87%

The months with the highest relative humidity are January and August (89%).
The month with the lowest relative humidity is March (82%).

Average rainfall in September
Craig, AK

Average rainfall in September: 6.69"

The wettest month (with the highest rainfall) is November (8.54").
The driest month (with the least rainfall) is May (2.68").

Average rainfall days in September
Craig, AK

Average rainfall days in September: 20.3 days

The month with the highest number of rainy days is October (22.4 days).
The month with the least rainy days is February (9.8 days).

Average snowfall in September
Craig, AK

Average snowfall in September: 0"

The month with the highest snowfall is February (23.39").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Craig, AK

Average snowfall days in September: 0 days

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

Average sea temperature in September
Craig, AK

Average sea temperature in September: 54.4°F

The best month for swimming (with the highest average sea temperature) is August (56.3°F).
The coldest month (with the lowest average sea temperature) is March (42.8°F).

Average daylight in September /
Average sunshine in September
Craig, AK

Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).

Average sunshine in September: 5h and 5min

The month with the most sunshine is May (Average sunshine: 6h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in September
Craig, AK

Average sunshine days in September: 8.5 days

The month with the most sunshine days is May (10.8 days).
The month with the least sunshine days is November (4.8 days).

Average UV index in September
Craig, AK

Average UV index in September: 3

The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Craig, AK

Average cloud cover in September: 60

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is September (Cloud cover 60).

Average visibility in September
Craig, AK

Average visibility in September: 5mi

The months with the highest visibility are February and October (6mi).
The month with the lowest visibility is August (4mi).

September weather forecast
Craig, AK

Contents