September weather forecastPinehurst, ID
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Pinehurst, Idaho, with an average temperature ranging between min 41.9°F (5.5°C) and max 68.7°F (20.4°C).Temperature
September brings a minor decrease, with the average high-temperature reducing from a moderately hot 78.4°F (25.8°C) in August to a pleasant 68.7°F (20.4°C). Nightly average temperatures in September reveal a significant dip from daytime highs, registering a consistent an icy 41.9°F (5.5°C).Humidity
The average relative humidity in September is 62%.Rainfall
In Pinehurst, during September, the rain falls for 9 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 140.1 rainfall days, and 22.2" (564mm) of precipitation is accumulated.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 0.43" (11mm) of snow. Throughout the year, there are 57.8 snowfall days, and 45.31" (1151mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:25 pm PDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pinehurst, ID
- Average high temperature in September: 68.7°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in September: 41.9°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (19.8°F).
Average pressure in September
Pinehurst, ID
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in September
Pinehurst, ID
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are September and December (4mph).
Average humidity in September
Pinehurst, ID
- Average humidity in September: 62%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Pinehurst, ID
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is January (2.8").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in September
Pinehurst, ID
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in September
Pinehurst, ID
- Average snowfall in September: 0.43"
The month with the highest snowfall is January (12.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Pinehurst, ID
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Pinehurst, ID
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 36min).
Average sunshine days in September
Pinehurst, ID
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is July (22.9 days).
The month with the least sunshine days is March (8.7 days).
Average UV index in September
Pinehurst, ID
- Average UV index in September: 3
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
Pinehurst, ID
- Average cloud cover in September: 25
The months with the most cloud cover are January, February and December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Pinehurst, ID
- 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 and December (3mi).
