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
Hamilton's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 79.2°F (26.2°C) to an agreeable 72.3°F (22.4°C). The average low-temperature of 52.5°F (11.4°C) is witnessed during September.Humidity
The average relative humidity in September is 79%.Rainfall
In Hamilton, in September, during 12.1 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 151.9 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Snowfall
In Hamilton, Pennsylvania, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September in Hamilton, Pennsylvania, sunrise is at 6:43 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:59 pm EDT.
Sunshine
The average sunshine in September in Hamilton is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hamilton in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Hamilton in September?
What is the average length of the day in September?
When is the sunrise / sunset in September in Hamilton?
How many hours of sunshine does Hamilton have in September?
What is the UV index reading in September?
Average temperature in September
Hamilton, PA
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Hamilton, 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
Hamilton, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Hamilton, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in September
Hamilton, PA
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in September
Hamilton, PA
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Hamilton, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hamilton, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hamilton, 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 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Hamilton, PA
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in September
Hamilton, PA
- Average UV index in September: 3
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
Hamilton, PA
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Hamilton, 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).
Hamilton, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location