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
In September, the meteorological conditions alter, with the average high-temperature shifting from a warm 78.4°F (25.8°C) in August to an enjoyable 67.8°F (19.9°C). Nighttime temperatures throughout September register a significant deviation from the day's highs, averaging at a cold 40.8°F (4.9°C).Humidity
The average relative humidity in September is 63%.Rainfall
In Murray, in September, during 9.1 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Murray, during the entire year, the rain falls for 128.7 days and collects up to 24.65" (626mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Murray. Throughout September, in the average 0.2 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 74.7 snowfall days, and 63.27" (1607mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 33min.On the first day of September, sunrise is at 6:03 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:24 pm PDT.
Sunshine
The average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 3 in September transforms into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Murray?
What is the UV index intensity in September?
Average temperature in September
Murray, ID
- Average high temperature in September: 67.8°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (30°F).
- Average low temperature in September: 40.8°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in September
Murray, ID
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in September
Murray, ID
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest months (with the lowest average wind speed) are September and December (4.2mph).
Average humidity in September
Murray, ID
- Average humidity in September: 63%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (53%).
Average rainfall in September
Murray, ID
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is January (3.07").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in September
Murray, ID
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is April (17.3 days).
The month with the least rainy days is July (6 days).
Average snowfall in September
Murray, ID
- Average snowfall in September: 0.2"
The month with the highest snowfall is January (16.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Murray, ID
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Murray, 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 30min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Murray, ID
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (9.3 days).
Average UV index in September
Murray, ID
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Murray, ID
- Average cloud cover in September: 27
The months with the most cloud cover are January, February and December (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in September
Murray, ID
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Murray, Idaho, USA
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