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
With the arrival of September, Mifflin experiences a modest decline in average high-temperatures, transitioning from 84°F (28.9°C) in August to a still warm 77.9°F (25.5°C). The nighttime temperature in Mifflin, during September, averages of 56.5°F (13.6°C).Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.77" (45mm) of precipitation.Snowfall
In Mifflin, West Virginia, snow does not fall in May through September.Daylight
The average length of the day in September in Mifflin is 12h and 25min.On the first day of September in Mifflin, sunrise is at 6:57 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:11 pm EDT.
Sunshine
The average sunshine in September in Mifflin is 8.1h.UV index
In Mifflin, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are September temperatures in Mifflin?
What is the average humidity in September in Mifflin?
What is the driest month in Mifflin?
How many days does it rain in September in Mifflin?
When it does not snow in Mifflin?
Does it snow in Mifflin in September?
How many hours of daylight does Mifflin have in September?
When is the sunrise / sunset in September in Mifflin?
How long on average sun shines in September in Mifflin?
How high is the UV index in September in Mifflin?
Average temperature in September
Mifflin, WV
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in September
Mifflin, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Mifflin, WV
- Average wind speed in September: 4.3mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Mifflin, WV
- Average humidity in September: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).
Average rainfall in September
Mifflin, WV
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Mifflin, WV
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in September
Mifflin, WV
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Mifflin, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mifflin, WV
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Mifflin, WV
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in September
Mifflin, WV
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Mifflin, WV
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Mifflin, WV
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Mifflin, West Virginia, USA
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