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
The commencement of September indicates a shift in the average high-temperature, receding from August's comfortable 61.2°F (16.2°C) to a fresh 52°F (11.1°C). During the nights in September, Russian Mission experiences a consistent average temperature of 39.6°F (4.2°C).Humidity
In Russian Mission, Alaska, the average relative humidity in September is 80%.Rainfall
In September, in Russian Mission, the rain falls for 12.1 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 108.2 rainfall days, and 11.1" (282mm) of precipitation is accumulated.Snowfall
Months with snowfall in Russian Mission are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. In Russian Mission, Alaska, during the entire year, snow falls for 86.5 days and aggregates up to 23.43" (595mm) of snow.Daylight
In September, the average length of the day is 12h and 53min.On the first day of the month, sunrise is at 7:38 am and sunset at 9:51 pm. On the last day of September, in Russian Mission, Alaska, sunrise is at 8:52 am and sunset at 8:17 pm AKDT.
Sunshine
The average sunshine in September is 5.4h.UV index
In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 2 transforms into these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Russian Mission in September?
What is the average humidity in September in Russian Mission?
How much does it rain in Russian Mission in September?
When does it start snowing in Russian Mission?
What is the average length of the day in September in Russian Mission?
What time are sunrise and sunset in September in Russian Mission?
How long on average sun shines in September in Russian Mission?
How high is the UV index in September in Russian Mission?
Average temperature in September
Russian Mission, AK
- Average high temperature in September: 52°F
The warmest month (with the highest average high temperature) is July (64.8°F).
The month with the lowest average high temperature is January (9.3°F).
- Average low temperature in September: 39.6°F
The month with the highest average low temperature is July (49.3°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in September
Russian Mission, AK
- Average pressure in September: 29.73"Hg
The month with the highest atmospheric pressure is July (29.93"Hg).
The month with the lowest atmospheric pressure is October (29.68"Hg).
Average wind speed in September
Russian Mission, AK
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Russian Mission, AK
- Average humidity in September: 80%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is June (62%).
Average rainfall in September
Russian Mission, AK
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is August (1.57").
The driest months (with the least rainfall) are January and May (0.63").
Average rainfall days in September
Russian Mission, AK
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is March (4.4 days).
Average snowfall in September
Russian Mission, AK
- Average snowfall in September: 0.12"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Russian Mission, AK
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is December (16.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Russian Mission, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is May (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Russian Mission, AK
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is August (11.8 days).
Average UV index in September
Russian Mission, 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 February, March and December (UV index 1).
Average cloud cover in September
Russian Mission, AK
- Average cloud cover in September: 58
The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in September
Russian Mission, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are March and April (4mi).
Russian Mission, Alaska, USA
Weather forecast for your location
2. Allow the app to use your location