September weather forecastWayan, ID
September
Weather in September
September, the first month of the autumn in Wayan, is still a refreshing month, with an average temperature varying between 40.1°F (4.5°C) and 66.6°F (19.2°C).Temperature
The decrease of average high-temperatures is mild in September, with a decline from a warm 76.5°F (24.7°C) in August to a comfortable 66.6°F (19.2°C). A marked difference from the daytime temperatures, Wayan's nighttime temperature falls to an average low of 40.1°F (4.5°C) in September.Humidity
The average relative humidity in September in Wayan is 53%.Rainfall
In Wayan, in September, during 11.1 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, in Wayan, Idaho, there are 127 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, there are 126.6 snowfall days, and 110.28" (2801mm) of snow is accumulated.Daylight
In Wayan, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:07 pm MDT.
Sunshine
In Wayan, the average sunshine in September is 10.1h.UV index
In Wayan, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wayan, ID
- Average high temperature in September: 66.6°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (24.3°F).
- Average low temperature in September: 40.1°F
The months with the highest average low temperature are July and August (45.3°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Wayan, ID
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Wayan, ID
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in September
Wayan, ID
- Average humidity in September: 53%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Wayan, ID
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in September
Wayan, ID
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in September
Wayan, ID
- Average snowfall in September: 0.47"
The month with the highest snowfall is February (22.91").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Wayan, ID
- Average snowfall days in September: 0.5 days
The months with the highest number of snowfall days are February and December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Wayan, ID
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Wayan, ID
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (5.3 days).
Average UV index in September
Wayan, ID
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Wayan, ID
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in September
Wayan, ID
- 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 January, February and December (3mi).
