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
With the onset of September, Igiugig experiences a modest temperature adjustment, with the average high-temperature gently receding from a refreshing 55.6°F (13.1°C) in August to a fresh 50.2°F (10.1°C). Igiugig records a consistent average nighttime temperature of 44.1°F (6.7°C) in September, slightly lower than the daytime high.Humidity
The average relative humidity in September is 81%.Rainfall
In Igiugig, during September, the rain falls for 13.7 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Igiugig, during the entire year, the rain falls for 118.1 days and collects up to 13.58" (345mm) of precipitation.Snowfall
June through September are months without snowfall in Igiugig, Alaska.Daylight
The average length of the day in September is 12h and 48min.On the first day of the month, sunrise is at 7:22 am and sunset at 9:23 pm. On the last day of September, in Igiugig, sunrise is at 8:28 am and sunset at 7:57 pm AKDT.
Sunshine
The average sunshine in September in Igiugig, Alaska, is 5.9h.UV index
In Igiugig, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 2 in September leads to these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What are September temperatures in Igiugig?
What is the average humidity in September in Igiugig?
How much does it rain in Igiugig in September?
When it does not snow in Igiugig?
Does it snow in Igiugig in September?
What is the average length of the day in September in Igiugig?
When is the sunrise / sunset in September in Igiugig?
How long on average sun shines in September in Igiugig?
What is the UV index reading in September in Igiugig?
Average temperature in September
Igiugig, AK
- Average high temperature in September: 50.2°F
The warmest month (with the highest average high temperature) is July (56.7°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in September: 44.1°F
The month with the highest average low temperature is July (49.1°F).
The coldest months (with the lowest average low temperature) are January and March (17.1°F).
Average pressure in September
Igiugig, AK
- Average pressure in September: 29.72"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.63"Hg).
Average wind speed in September
Igiugig, AK
- Average wind speed in September: 10.9mph
The windiest month (with the highest average wind speed) is December (13.2mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in September
Igiugig, AK
- Average humidity in September: 81%
The months with the highest relative humidity are January, February, March and December (85%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Igiugig, AK
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is November (1.69").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Igiugig, AK
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in September
Igiugig, AK
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Igiugig, AK
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Igiugig, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Igiugig, AK
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in September
Igiugig, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in September
Igiugig, AK
- Average cloud cover in September: 54
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in September
Igiugig, AK
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Igiugig, Alaska, USA
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