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
Spalding experiences a temperature shift at the start of September, with average high-temperatures adjusting from 85.3°F (29.6°C) in August to a still moderately hot 75°F (23.9°C). Significant dips from daytime highs mark the September nights, with a consistent average temperature of 52.7°F (11.5°C).Humidity
In September, the average relative humidity is 45%.Rainfall
In September, the rain falls for 6.7 days. Throughout September, 0.39" (10mm) of precipitation is accumulated. In Spalding, during the entire year, the rain falls for 142.4 days and collects up to 14.21" (361mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Spalding, Idaho, is 12h and 32min.On the first day of September, sunrise is at 6:08 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:28 pm PDT.
Sunshine
In Spalding, the average sunshine in September is 10.4h.UV index
In Spalding, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
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 in Spalding?
What is the UV index reading in September?
Average temperature in September
Spalding, ID
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).
Average pressure in September
Spalding, ID
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in September
Spalding, ID
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.3mph).
Average humidity in September
Spalding, ID
- Average humidity in September: 45%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Spalding, ID
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in September
Spalding, ID
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in September
Spalding, ID
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Spalding, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Spalding, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Spalding, ID
- Average sunshine days in September: 21.9 days
The month with the most sunshine days is July (24 days).
The months with the least sunshine days are February and March (10.8 days).
Average UV index in September
Spalding, ID
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Spalding, ID
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Spalding, ID
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Spalding, Idaho, USA
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