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 move into September indicates a slight reduction in the average high-temperature, down from August's 82.2°F (27.9°C) to a still moderately hot 76.1°F (24.5°C). Mather experiences a substantial decline from the daytime high temperatures in September, settling on an average low of 54.5°F (12.5°C).Humidity
In September, the average relative humidity in Mather is 78%.Rainfall
In September, the rain falls for 14.1 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. In Mather, during the entire year, the rain falls for 183 days and collects up to 30.91" (785mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Mather, the average length of the day in September is 12h and 26min.On the first day of September in Mather, Pennsylvania, sunrise is at 6:48 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:03 pm EDT.
Sunshine
In Mather, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the usual temperature for Mather in September?
What is the average humidity in September in Mather?
How much does it rain in Mather in September?
When it does not snow in Mather?
Does it snow in Mather in September?
What is the average length of the day in September in Mather?
When is the sunrise / sunset in September in Mather?
How long on average sun shines in September in Mather?
What is the UV index intensity in September in Mather?
Average temperature in September
Mather, PA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Mather, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Mather, 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
Mather, PA
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Mather, PA
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in September
Mather, PA
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in September
Mather, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mather, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mather, 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 24min).
- Average sunshine in September: 8h and 3min
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 6min).
Average sunshine days in September
Mather, PA
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is February (7.5 days).
Average UV index in September
Mather, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and 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
Mather, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Mather, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Mather, Pennsylvania, USA
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