September weather forecastWilder, ID
September
Weather in September
September, the first month of the autumn in Wilder, is still a warm month, with an average temperature ranging between min 55.4°F (13°C) and max 78.1°F (25.6°C).Temperature
In the transition to September, Wilder observes a drop in the average high-temperature, moving from a hot 89.1°F (31.7°C) in August to a warm 78.1°F (25.6°C). Contrasted against daytime highs, Wilder records an average nighttime low of 55.4°F (13°C) in September.Humidity
In Wilder, the average relative humidity in September is 35%.Rainfall
In Wilder, in September, during 5.5 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Wilder, during the entire year, the rain falls for 105.6 days and collects up to 9.65" (245mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of September in Wilder, sunrise is at 7:12 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:29 pm MDT.
Sunshine
In September, the average sunshine in Wilder is 9.6h.UV index
In Wilder, Idaho, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. To protect against the Sun's most potent rays, avoid direct exposure around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wilder, ID
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is December (35.8°F).
- Average low temperature in September: 55.4°F
The months with the highest average low temperature are July and August (62.8°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).
Average pressure in September
Wilder, ID
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in September
Wilder, ID
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in September
Wilder, ID
- Average humidity in September: 35%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in September
Wilder, ID
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Wilder, ID
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in September
Wilder, ID
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.39").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Wilder, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Wilder, ID
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Wilder, ID
- Average sunshine days in September: 23.6 days
The month with the most sunshine days is July (25.1 days).
The month with the least sunshine days is March (13.6 days).
Average UV index in September
Wilder, ID
- Average UV index in September: 5
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
Wilder, ID
- Average cloud cover in September: 14
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in September
Wilder, ID
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
