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 move into September indicates a reduction in the average high-temperature, down from August's cool 52.7°F (11.5°C) to a chilly 43.2°F (6.2°C). Nelchina experiences a steady low-temperature of 32.7°F (0.4°C) throughout September.Humidity
In Nelchina, the average relative humidity in September is 77%.Rainfall
In Nelchina, in September, during 17 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Nelchina, during the entire year, the rain falls for 165.3 days and collects up to 17.99" (457mm) of precipitation.Snowfall
Months with snowfall in Nelchina are January through June, August through December. In Nelchina, during September, snow falls for 6.7 days and regularly aggregates up to 4.29" (109mm) of snow. In Nelchina, during the entire year, snow falls for 161.6 days and aggregates up to 83.27" (2115mm) 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 6:39 am and sunset at 8:54 pm. On the last day of September, sunrise is at 7:54 am and sunset at 7:19 pm AKDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The months with the lowest UV index are January, April, September through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 1 in September translates into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is September?
What is the average humidity in September?
How much does it rain in Nelchina in September?
How many days does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Nelchina have in September?
What is the month with the lowest UV index in Nelchina?
How high is the UV index in September?
Average temperature in September
Nelchina, AK
- Average high temperature in September: 43.2°F
The warmest month (with the highest average high temperature) is July (57.7°F).
The month with the lowest average high temperature is January (6.3°F).
- Average low temperature in September: 32.7°F
The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (-5.6°F).
Average pressure in September
Nelchina, AK
- Average pressure in September: 29.77"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.74"Hg).
Average wind speed in September
Nelchina, AK
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is June (5mph).
The calmest month (with the lowest average wind speed) is March (3.9mph).
Average humidity in September
Nelchina, AK
- Average humidity in September: 77%
The months with the highest relative humidity are March and December (90%).
The month with the lowest relative humidity is June (64%).
Average rainfall in September
Nelchina, AK
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is April (0.83").
Average rainfall days in September
Nelchina, AK
- Average rainfall days in September: 17 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in September
Nelchina, AK
- Average snowfall in September: 4.29"
The month with the highest snowfall is December (14.49").
The month with the least snowfall is July (0").
Average snowfall days in September
Nelchina, AK
- Average snowfall days in September: 6.7 days
The month with the highest number of snowfall days is December (22.3 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Nelchina, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Nelchina, AK
- Average sunshine days in September: 7.8 days
The month with the most sunshine days is May (10.7 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in September
Nelchina, 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, April, September, October, November and December (UV index 1).
Average cloud cover in September
Nelchina, AK
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Nelchina, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Nelchina, Alaska, USA
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