September weather forecastNewdale, ID
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Newdale, Idaho, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 72.5°F (22.5°C).Temperature
Newdale experiences a temperature shift at the start of September, with average high-temperatures adjusting from a warm 82.9°F (28.3°C) in August to an agreeable 72.5°F (22.5°C). September nights experience a distinct temperature drop from the daily highs, with an average low-temperature of 47.1°F (8.4°C).Humidity
In September, the average relative humidity is 44%.Rainfall
In September, the rain falls for 7.1 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. In Newdale, Idaho, during the entire year, the rain falls for 97.5 days and collects up to 11.85" (301mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Newdale, during the entire year, snow falls for 83.8 days and aggregates up to 41.93" (1065mm) of snow.Daylight
In Newdale, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:50 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:08 pm MDT.
Sunshine
In Newdale, the average sunshine in September is 10h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise prevention - Warding off sunburn is urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Newdale, ID
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in September: 47.1°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in September
Newdale, ID
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Newdale, ID
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is June (6.9mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in September
Newdale, ID
- Average humidity in September: 44%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Newdale, ID
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in September
Newdale, ID
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is April (13 days).
The month with the least rainy days is July (5 days).
Average snowfall in September
Newdale, ID
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (11.97").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Newdale, ID
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Newdale, ID
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Newdale, ID
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Newdale, ID
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Newdale, ID
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Newdale, ID
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (3mi).
