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
September's onset brings a reduction in the average high-temperature, from a refreshing 61.3°F (16.3°C) in August to a fresh 50.9°F (10.5°C). The low-temperature average for McGrath during September stands at an icy 37.4°F (3°C).Humidity
In McGrath, the average relative humidity in September is 80%.Rainfall
In McGrath, in September, it is raining for 14.5 days, with typically 1.97" (50mm) of accumulated precipitation. In McGrath, Alaska, during the entire year, the rain falls for 111.7 days and collects up to 14.88" (378mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in McGrath. September is the first month it typically snows in McGrath, Alaska. Throughout September, in the average 1.5 snowfall days, it receives 0.63" (16mm) of snow. In McGrath, during the entire year, snow falls for 96.1 days and aggregates up to 38.66" (982mm) of snow.Daylight
In September, the average length of the day in McGrath is 12h and 55min.On the first day of September in McGrath, Alaska, sunrise is at 7:11 am and sunset at 9:32 pm. On the last day of the month, sunrise is at 8:30 am and sunset at 7:53 pm AKDT.
Sunshine
In September, the average sunshine is 5.6h.UV index
In McGrath, 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 unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in September converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the usual temperature for McGrath in September?
What is the average humidity in September in McGrath?
How much does it rain in McGrath in September?
When does it start snowing in McGrath?
How many hours of daylight does McGrath have in September?
What time are sunrise and sunset in September in McGrath?
How long on average sun shines in September in McGrath?
What is the UV index reading in September in McGrath?
Average temperature in September
McGrath, AK
- Average high temperature in September: 50.9°F
The warmest month (with the highest average high temperature) is July (67.1°F).
The month with the lowest average high temperature is January (2.5°F).
- Average low temperature in September: 37.4°F
The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (-8°F).
Average pressure in September
McGrath, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed in September
McGrath, AK
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest months (with the lowest average wind speed) are February, November and December (5.3mph).
Average humidity in September
McGrath, AK
- Average humidity in September: 80%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is June (62%).
Average rainfall in September
McGrath, AK
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
McGrath, AK
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
McGrath, AK
- Average snowfall in September: 0.63"
The month with the highest snowfall is November (10.16").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
McGrath, AK
- Average snowfall days in September: 1.5 days
The months with the highest number of snowfall days are March and November (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
McGrath, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 4h and 54min).
- Average sunshine in September: 5h and 4min
The month with the most sunshine is May (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
McGrath, AK
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (9.6 days).
Average UV index in September
McGrath, AK
- Average UV index in September: 2
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, March, October, November and December (UV index 1).
Average cloud cover in September
McGrath, AK
- Average cloud cover in September: 56
The month with the most cloud cover is April (Cloud cover 68).
The months with the least cloud cover are May and June (Cloud cover 47).
Average visibility in September
McGrath, AK
- Average visibility in September: 5mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
McGrath, Alaska, USA
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