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
Santa's progression into September includes a drop in the average high-temperature, from a warm 80.2°F (26.8°C) in August to a pleasant 69.6°F (20.9°C). Santa's nights in September are distinguished by a pronounced temperature shift from the day, with an average low of 43°F (6.1°C).Humidity
The average relative humidity in September is 61%.Rainfall
In September, the rain falls for 7.2 days. Throughout September, 0.71" (18mm) of precipitation is accumulated. Throughout the year, in Santa, there are 118.6 rainfall days, and 16.89" (429mm) 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 0.08" (2mm) of snow. In Santa, during the entire year, snow falls for 60.4 days and aggregates up to 44.53" (1131mm) of snow.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 6:06 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:26 pm PDT.
Sunshine
The average sunshine in September in Santa is 9.7h.UV index
In Santa, 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 unsafe exposure to UV radiation for ordinary individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What are September temperatures in Santa?
What is the average humidity in September in Santa?
How many days does it rain in September in Santa?
When does it start snowing in Santa?
How many hours of daylight does Santa have in September?
What time are sunrise and sunset in September in Santa?
How long on average sun shines in September in Santa?
What is the UV index reading in September in Santa?
Average temperature in September
Santa, ID
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (31.5°F).
- Average low temperature in September: 43°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure in September
Santa, ID
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in September
Santa, ID
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are August and September (3.9mph).
Average humidity in September
Santa, ID
- Average humidity in September: 61%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Santa, ID
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is January (2.24").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Santa, ID
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is April (14.4 days).
The month with the least rainy days is July (5.4 days).
Average snowfall in September
Santa, ID
- Average snowfall in September: 0.08"
The month with the highest snowfall is January (11.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Santa, ID
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Santa, ID
- Average daylight in September: 12h and 3min
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 36min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Santa, ID
- Average sunshine days in September: 21.2 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in September
Santa, 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
Santa, ID
- Average cloud cover in September: 24
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 13).
Average visibility in September
Santa, 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 and February (3mi).
Santa, Idaho, USA
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