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
Minnehaha's transition into September involves a gentle shift in temperature, receding from a moderately hot 80.6°F (27°C) in August to a pleasant 73°F (22.8°C). During September, Minnehaha notes a substantial drop from the daytime peak to an average minimum temperature of 50.7°F (10.4°C).Humidity
In September, the average relative humidity in Minnehaha is 70%.Rainfall
In Minnehaha, in September, it is raining for 10.8 days, with typically 1.73" (44mm) of accumulated precipitation. In Minnehaha, during the entire year, the rain falls for 177.1 days and collects up to 34.29" (871mm) of precipitation.Snowfall
In Minnehaha, snow does not fall in April through October.Daylight
In Minnehaha, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:51 pm PDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September in Minnehaha is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are September temperatures in Minnehaha?
What is the average humidity in September in Minnehaha?
How much does it rain in Minnehaha in September?
When it does not snow in Minnehaha?
What is the average length of the day in September in Minnehaha?
When is the sunrise / sunset in September in Minnehaha?
How many hours of sunshine does Minnehaha have in September?
What is the UV index intensity in September in Minnehaha?
Average temperature in September
Minnehaha, WA
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is August (80.6°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in September
Minnehaha, WA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in September
Minnehaha, WA
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Minnehaha, WA
- Average humidity in September: 70%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Minnehaha, WA
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is December (5.08").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Minnehaha, WA
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (4.9 days).
Average snowfall in September
Minnehaha, WA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Minnehaha, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Minnehaha, WA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and February (Average sunshine: 4h and 6min).
Average sunshine days in September
Minnehaha, WA
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in September
Minnehaha, WA
- 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 2).
Average cloud cover in September
Minnehaha, WA
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Minnehaha, WA
- Average visibility in September: 6mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
Minnehaha, Washington, USA
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