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
Waller records a mild change in average high-temperature during September, easing from a moderately hot 78.6°F (25.9°C) in August to an agreeable 72.5°F (22.5°C). Waller experiences an average temperature drop to a fresh 52.2°F (11.2°C) during September nights.Humidity
In Waller, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall in Waller. Rain falls for 12.8 days and accumulates 2.05" (52mm) of precipitation.Snowfall
June through September are months without snowfall in Waller, Pennsylvania.Daylight
In Waller, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:38 pm. On the last day of September, in Waller, Pennsylvania, sunrise is at 7:02 am and sunset at 6:48 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Waller is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the temperature in September in Waller?
What is the average humidity in September in Waller?
What is the driest month in Waller?
How much does it rain in Waller in September?
When it does not snow in Waller?
Does it snow in Waller in September?
How many hours of daylight does Waller have in September?
What time are sunrise and sunset in September in Waller?
How many hours of sunshine does Waller have in September?
How high is the UV index in September in Waller?
Average temperature in September
Waller, PA
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Waller, 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 (29.94"Hg).
Average wind speed in September
Waller, PA
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Waller, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Waller, PA
- Average rainfall in September: 2.05"
The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Waller, PA
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Waller, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Waller, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Waller, 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 month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Waller, PA
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Waller, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Waller, PA
- Average cloud cover in September: 40
The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Waller, 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).
Waller, Pennsylvania, USA
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