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
Fort Richardson in September undergoes a slight reduction in the average high-temperature, shifting from August's refreshing 59.5°F (15.3°C) to a fresh 52.2°F (11.2°C). Fort Richardson anticipates an average minimum temperature of 42.4°F (5.8°C) in the month of September.Humidity
In Fort Richardson, the average relative humidity in September is 78%.Rainfall
September is the month with the most rainfall in Fort Richardson. Rain falls for 17.4 days and accumulates 2.2" (56mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Fort Richardson. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 0.16" (4mm) of snow. In Fort Richardson, during the entire year, snow falls for 67.9 days and aggregates up to 29.09" (739mm) of snow.Daylight
In Fort Richardson, the average length of the day in September is 12h and 52min.On the first day of September in Fort Richardson, sunrise is at 6:52 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 7:31 pm AKDT.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 during September translates into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the temperature in September in Fort Richardson?
What is the average humidity in September in Fort Richardson?
What is the rainiest month in Fort Richardson?
How much does it rain in Fort Richardson in September?
When does it start snowing in Fort Richardson?
What is the average length of the day in September in Fort Richardson?
When is the sunrise / sunset in September in Fort Richardson?
How long on average sun shines in September in Fort Richardson?
What is the UV index reading in September in Fort Richardson?
Average temperature in September
Fort Richardson, AK
- Average high temperature in September: 52.2°F
The warmest month (with the highest average high temperature) is July (62.2°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in September: 42.4°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in September
Fort Richardson, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.67"Hg).
Average wind speed in September
Fort Richardson, AK
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is November (5.4mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in September
Fort Richardson, AK
- Average humidity in September: 78%
The months with the highest relative humidity are February and March (87%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Fort Richardson, AK
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is September (2.2").
The driest month (with the least rainfall) is May (0.59").
Average rainfall days in September
Fort Richardson, AK
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is August (19.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Fort Richardson, AK
- Average snowfall in September: 0.16"
The month with the highest snowfall is December (6.85").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Fort Richardson, AK
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fort Richardson, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Fort Richardson, AK
- Average sunshine days in September: 9.7 days
The month with the most sunshine days is May (16.9 days).
The months with the least sunshine days are August and September (9.7 days).
Average UV index in September
Fort Richardson, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Fort Richardson, AK
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is May (Cloud cover 38).
Average visibility in September
Fort Richardson, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).
Fort Richardson, Alaska, USA
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