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 correlates with a reduction in the average high-temperature, down from 84.7°F (29.3°C) in August to a still warm 73.9°F (23.3°C). Orofino experiences a consistent, yet significant, drop from daily highs to a low-temperature of 48°F (8.9°C) throughout September.Humidity
In September, the average relative humidity is 53%.Rainfall
In Orofino, in September, it is raining for 7.2 days, with typically 0.71" (18mm) of accumulated precipitation. In Orofino, during the entire year, the rain falls for 146.2 days and collects up to 21.65" (550mm) of precipitation.Snowfall
In Orofino, Idaho, 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 September, sunrise is at 6:06 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:26 pm PDT.
Sunshine
In September, the average sunshine is 9.9h.UV index
In September, the average daily maximum UV index in Orofino, Idaho, is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Orofino?
What is the average humidity in September in Orofino?
How much does it rain in Orofino in September?
When it does not snow in Orofino?
Does it snow in Orofino in September?
How many hours of daylight does Orofino have in September?
When is the sunrise / sunset in September in Orofino?
How many hours of sunshine does Orofino have in September?
What is the UV index reading in September in Orofino?
Average temperature in September
Orofino, ID
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is August (84.7°F).
The month with the lowest average high temperature is December (34.2°F).
- Average low temperature in September: 48°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure in September
Orofino, ID
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in September
Orofino, ID
- Average wind speed in September: 3.7mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest month (with the lowest average wind speed) is September (3.7mph).
Average humidity in September
Orofino, ID
- Average humidity in September: 53%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Orofino, ID
- Average rainfall in September: 0.71"
The wettest months (with the highest rainfall) are January and March (2.8").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in September
Orofino, ID
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is March (19 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in September
Orofino, ID
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Orofino, ID
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (10.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Orofino, 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: 9h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Orofino, ID
- Average sunshine days in September: 21.6 days
The month with the most sunshine days is July (24.7 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
Orofino, ID
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in September
Orofino, ID
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Orofino, ID
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Orofino, Idaho, USA
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