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
Hyder's progression into September involves a minor drop in the average high-temperature, slightly receding from a mild 55.8°F (13.2°C) in August to a chilly 48.6°F (9.2°C). An average low-temperature of 37.9°F (3.3°C) is recorded during the nights in September.Humidity
In September, the average relative humidity is 85%.Rainfall
In September, in Hyder, the rain falls for 14.2 days. Throughout September, 3.5" (89mm) of precipitation is accumulated. Throughout the year, in Hyder, Alaska, there are 179.3 rainfall days, and 48.31" (1227mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Hyder, Alaska, is 12h and 43min.On the first day of September, sunrise is at 5:46 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:16 pm AKDT.
Sunshine
In Hyder, the average sunshine in September is 5.9h.UV index
January through March, September through December, with an average maximum UV index of 1, are months with the lowest UV index in Hyder. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 1 in September leads to these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the usual temperature for Hyder in September?
What is the average humidity in September in Hyder?
How much does it rain in Hyder in September?
When it does not snow in Hyder?
Does it snow in Hyder in September?
How many hours of daylight does Hyder have in September?
What time are sunrise and sunset in September in Hyder?
How long on average sun shines in September in Hyder?
When is the lowest UV index in Hyder?
How high is the UV index in September in Hyder?
Average temperature in September
Hyder, AK
- Average high temperature in September: 48.6°F
The warmest month (with the highest average high temperature) is July (56.8°F).
The month with the lowest average high temperature is December (21.9°F).
- Average low temperature in September: 37.9°F
The month with the highest average low temperature is July (43.9°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in September
Hyder, AK
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.87"Hg).
Average wind speed in September
Hyder, AK
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is January (5.9mph).
The calmest months (with the lowest average wind speed) are June, July and August (4.1mph).
Average humidity in September
Hyder, AK
- Average humidity in September: 85%
The month with the highest relative humidity is January (94%).
The months with the lowest relative humidity are May, June and July (82%).
Average rainfall in September
Hyder, AK
- Average rainfall in September: 3.5"
The wettest month (with the highest rainfall) is November (7.09").
The driest month (with the least rainfall) is June (1.57").
Average rainfall days in September
Hyder, AK
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is April (21 days).
The months with the least rainy days are February, July and December (11.4 days).
Average snowfall in September
Hyder, AK
- Average snowfall in September: 0"
The month with the highest snowfall is December (23.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hyder, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hyder, AK
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is June (Average sunshine: 8h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Hyder, AK
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is April (6.4 days).
Average UV index in September
Hyder, AK
- Average UV index in September: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, September, October, November and December (UV index 1).
Average cloud cover in September
Hyder, AK
- Average cloud cover in September: 59
The months with the most cloud cover are January and November (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 57).
Average visibility in September
Hyder, AK
- Average visibility in September: 4mi
The months with the highest visibility are May and June (5mi).
The months with the lowest visibility are January and December (3mi).
Hyder, Alaska, USA
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