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 shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 80.1°F (26.7°C) to an agreeable 72.7°F (22.6°C). Millheim's average low-temperature during September nights is observed to be a cool 52.5°F (11.4°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Millheim, in September, it is raining for 12.8 days, with typically 2.24" (57mm) of accumulated precipitation. In Millheim, during the entire year, the rain falls for 173.6 days and collects up to 33.23" (844mm) of precipitation.Snowfall
In Millheim, snow does not fall in June through September.Daylight
In September, the average length of the day in Millheim, Pennsylvania, is 12h and 27min.On the first day of September, sunrise is at 6:37 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:53 pm EDT.
Sunshine
In Millheim, the average sunshine in September is 8.6h.UV index
In Millheim, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 in September translates into these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What are September temperatures in Millheim?
What is the average humidity in September in Millheim?
How many days does it rain in September in Millheim?
When it does not snow in Millheim?
Does it snow in Millheim in September?
What is the average length of the day in September in Millheim?
When is the sunrise / sunset in September in Millheim?
How many hours of sunshine does Millheim have in September?
What is the UV index reading in September in Millheim?
Average temperature in September
Millheim, PA
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in September
Millheim, PA
- Average pressure in September: 30.07"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
Millheim, PA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Millheim, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall in September
Millheim, PA
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in September
Millheim, PA
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Millheim, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Millheim, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Millheim, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
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 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in September
Millheim, PA
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (15.9 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in September
Millheim, 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
Millheim, PA
- Average cloud cover in September: 40
The months with the most cloud cover are January, February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Millheim, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Millheim, Pennsylvania, USA
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