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
Onset of September witnesses a reduction in the average high-temperature, falling from a moderately hot 82°F (27.8°C) in August to a pleasant 72°F (22.2°C). Rogerson, during the month of September, experiences an average low-temperature of 52°F (11.1°C).Humidity
In September, the average relative humidity is 36%.Rainfall
In September, the rain falls for 6.5 days. Throughout September, 0.51" (13mm) of precipitation is accumulated. In Rogerson, during the entire year, the rain falls for 104.3 days and collects up to 12.01" (305mm) of precipitation.Snowfall
In Rogerson, snow does not fall in July through September.Daylight
In Rogerson, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:04 am and sunset at 8:11 pm. On the last day of September, in Rogerson, sunrise is at 7:35 am and sunset at 7:20 pm MDT.
Sunshine
In Rogerson, the average sunshine in September is 9.5h.UV index
In Rogerson, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Rogerson in September?
What is the average length of the day in September?
What time are sunrise and sunset in September in Rogerson?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Rogerson, ID
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in September: 52°F
The months with the highest average low temperature are July and August (59.5°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in September
Rogerson, ID
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Rogerson, ID
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Rogerson, ID
- Average humidity in September: 36%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (30%).
Average rainfall in September
Rogerson, ID
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is December (1.5").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in September
Rogerson, ID
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in September
Rogerson, ID
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.99").
The months with the least snowfall are July, August and September (0").
Average snowfall days in September
Rogerson, ID
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (15.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Rogerson, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- 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: 5h and 42min).
Average sunshine days in September
Rogerson, ID
- Average sunshine days in September: 21.8 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (11.3 days).
Average UV index in September
Rogerson, ID
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Rogerson, ID
- Average cloud cover in September: 15
The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Rogerson, ID
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Rogerson, Idaho, USA
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