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
A subtle decrease in the average high-temperature marks September, falling from August's warm 80.2°F (26.8°C) to an agreeable 70.3°F (21.3°C). September nights show a substantial disparity from the daytime peak with an average low-temperature of 43.7°F (6.5°C).Humidity
In Emida, the average relative humidity in September is 59%.Rainfall
In Emida, in September, it is raining for 7.4 days, with typically 0.79" (20mm) of accumulated precipitation. In Emida, during the entire year, the rain falls for 145.2 days and collects up to 25.12" (638mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Emida, Idaho, during the entire year, snow falls for 70.2 days and aggregates up to 59.69" (1516mm) of snow.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:27 pm PDT.
Sunshine
In Emida, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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?
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?
How high is the UV index in September?
Average temperature in September
Emida, ID
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (31.8°F).
- Average low temperature in September: 43.7°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in September
Emida, ID
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in September
Emida, ID
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest months (with the lowest average wind speed) are August and September (4mph).
Average humidity in September
Emida, ID
- Average humidity in September: 59%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Emida, ID
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is January (3.66").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Emida, ID
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is April (18.7 days).
The month with the least rainy days is July (4.9 days).
Average snowfall in September
Emida, ID
- Average snowfall in September: 0.08"
The month with the highest snowfall is January (16.22").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Emida, ID
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (16.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Emida, 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 36min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Emida, ID
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (7.5 days).
Average UV index in September
Emida, 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 January, February, November and December (UV index 1).
Average cloud cover in September
Emida, ID
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Emida, ID
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Emida, Idaho, USA
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