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
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a moderately hot 81.1°F (27.3°C) in August to a still warm 74.1°F (23.4°C). Mifflin's nighttime temperature during September is consistently averaged at a fresh 53.4°F (11.9°C).Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 13.7 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. In Mifflin, during the entire year, the rain falls for 162 days and collects up to 28.86" (733mm) of precipitation.Snowfall
June through September are months without snowfall in Mifflin.Daylight
The average length of the day in September in Mifflin is 12h and 27min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:41 pm. On the last day of September, in Mifflin, Pennsylvania, sunrise is at 7:05 am and sunset at 6:52 pm EDT.
Sunshine
In Mifflin, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Take precautions - Protection against sunburn is recommended. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are the temperatures in Mifflin in September?
What is the average humidity in September in Mifflin?
How much does it rain in Mifflin in September?
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, PA
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Mifflin, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Mifflin, PA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Mifflin, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Mifflin, PA
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (3.31").
The driest months (with the least rainfall) are January and November (1.85").
Average rainfall days in September
Mifflin, PA
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Mifflin, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mifflin, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 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, PA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Mifflin, PA
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in September
Mifflin, PA
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Mifflin, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Mifflin, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Mifflin, Pennsylvania, USA
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