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
September's arrival coincides with a drop in the average high-temperature, decreasing from August's warm 85.5°F (29.7°C) to a still moderately hot 74.7°F (23.7°C). Throughout September, Springfield registers a distinct decrease from daytime highs, reaching an average low of 52.2°F (11.2°C).Humidity
In Springfield, the average relative humidity in September is 37%.Rainfall
In September, the rain falls for 6.5 days. Throughout September, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 107.4 rainfall days, and 9.29" (236mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 61.9 snowfall days, and 25.79" (655mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:56 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:13 pm MDT.
Sunshine
The average sunshine in September is 9.8h.UV index
The average daily maximum UV index in September in Springfield, Idaho, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Springfield in September?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
How many hours of daylight does Springfield have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Springfield have in September?
What is the UV index reading in September in Springfield?
Average temperature in September
Springfield, ID
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is August (58.5°F).
The coldest months (with the lowest average low temperature) are January and December (17.8°F).
Average pressure in September
Springfield, ID
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Springfield, ID
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is January (6.9mph).
Average humidity in September
Springfield, ID
- Average humidity in September: 37%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (32%).
Average rainfall in September
Springfield, ID
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is March (1.26").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in September
Springfield, ID
- Average rainfall days in September: 6.5 days
The months with the highest number of rainy days are March and April (13.3 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in September
Springfield, ID
- Average snowfall in September: 0.24"
The month with the highest snowfall is January (7.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Springfield, ID
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Springfield, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Springfield, ID
- Average sunshine days in September: 20.6 days
The months with the most sunshine days are July and August (21.3 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in September
Springfield, 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 December (UV index 1).
Average cloud cover in September
Springfield, ID
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Springfield, 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).
Springfield, Idaho, USA
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