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
A moderate decline in the average high-temperature is seen during September, decreasing from a tropical 90.1°F (32.3°C) in August to a moderately hot 79.5°F (26.4°C). Throughout September, Notus acknowledges a distinct difference between its daytime highs and the steady low average of 55.4°F (13°C).Humidity
In September, the average relative humidity is 35%.Rainfall
In Notus, in September, during 5.3 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Notus, during the entire year, the rain falls for 108.5 days and collects up to 10.2" (259mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of September in Notus, sunrise is at 7:11 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:29 pm MDT.
Sunshine
The average sunshine in September is 9.6h.UV index
In Notus, Idaho, the average daily maximum UV index in September is 5. 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: The maximum daily UV index of 5 in September converts into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Notus, ID
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (35.6°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in September
Notus, ID
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in September
Notus, ID
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in September
Notus, ID
- Average humidity in September: 35%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in September
Notus, ID
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is December (1.5").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in September
Notus, ID
- Average rainfall days in September: 5.3 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is August (3.4 days).
Average snowfall in September
Notus, ID
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.21").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Notus, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Notus, ID
- Average daylight in September: 12h and 3min
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: 9h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Notus, ID
- Average sunshine days in September: 22.9 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (13.5 days).
Average UV index in September
Notus, ID
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Notus, ID
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Notus, ID
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Notus, Idaho, USA
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