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 arrival of September corresponds with a temperature reduction, down from August's hot 87.6°F (30.9°C) to a moderately hot 77.2°F (25.1°C). In the month of September, Cambridge witnesses a marked temperature drop at night, averaging a low of 53.8°F (12.1°C).Humidity
The average relative humidity in September is 39%.Rainfall
In Cambridge, in September, it is raining for 5.7 days, with typically 0.51" (13mm) of accumulated precipitation. In Cambridge, during the entire year, the rain falls for 115.6 days and collects up to 13.66" (347mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 7:10 am and sunset at 8:22 pm. On the last day of September, in Cambridge, sunrise is at 7:44 am and sunset at 7:28 pm MDT.
Sunshine
The average sunshine in September in Cambridge is 9.5h.UV index
In Cambridge, 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 the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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?
How many hours of daylight does Cambridge have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Cambridge?
Average temperature in September
Cambridge, ID
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is August (60.6°F).
The coldest months (with the lowest average low temperature) are January and December (21.2°F).
Average pressure in September
Cambridge, ID
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in September
Cambridge, ID
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is January (3.3mph).
Average humidity in September
Cambridge, ID
- Average humidity in September: 39%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (32%).
Average rainfall in September
Cambridge, ID
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is March (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in September
Cambridge, ID
- Average rainfall days in September: 5.7 days
The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is August (4.5 days).
Average snowfall in September
Cambridge, ID
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Cambridge, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (9.5 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
Cambridge, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Cambridge, ID
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is July (23 days).
The month with the least sunshine days is March (12 days).
Average UV index in September
Cambridge, ID
- Average UV index in September: 4
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
Cambridge, ID
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in September
Cambridge, 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 month with the lowest visibility is January (4mi).
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