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
The onset of September results in a decrease in the average high-temperature, receding from 85.3°F (29.6°C) in August to a still moderately hot 75°F (23.9°C). From significant daily highs, Spalding's nights in September cool down to an average low-temperature of 52.7°F (11.5°C).Humidity
In Spalding, the average relative humidity in September is 45%.Rainfall
In Spalding, Idaho, in September, it is raining for 6.7 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, there are 142.4 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
In Spalding, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:28 pm PDT.
Sunshine
In September, the average sunshine in Spalding, Idaho, is 10.4h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the usual temperature for Spalding in September?
What is the average humidity in September in Spalding?
How many days does it rain in September in Spalding?
When it does not snow in Spalding?
Does it snow in Spalding in September?
What is the average length of the day in September in Spalding?
What time are sunrise and sunset in September in Spalding?
How many hours of sunshine does Spalding have in September?
What is the UV index reading in September in Spalding?
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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