September weather forecast
Ansonia, PA

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Weather in September

September, the first month of the autumn in Ansonia, is also an agreeable month, with an average temperature ranging between max 69.8°F (21°C) and min 49.6°F (9.8°C).

Temperature

In Ansonia, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 77.2°F (25.1°C) to an agreeable 69.8°F (21°C). An average low-temperature of 49.6°F (9.8°C) is common in Ansonia during the nights of September.

Humidity

The average relative humidity in September in Ansonia is 81%.

Rainfall

In Ansonia, in September, during 10.7 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 125.8 rainfall days, and 15.71" (399mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Ansonia.

Daylight

In Ansonia, Pennsylvania, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:42 pm. On the last day of September, in Ansonia, sunrise is at 7:06 am and sunset at 6:52 pm EDT.

Sunshine

In Ansonia, Pennsylvania, the average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index in Ansonia is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Ansonia in September?

Ansonia in September has an average high-temperature of 69.8°F (21°C) and an average low-temperature of 49.6°F (9.8°C).

What is the average humidity in September in Ansonia?

The average relative humidity in September in Ansonia, Pennsylvania, is 81%.

How many days does it rain in September in Ansonia?

In Ansonia, Pennsylvania, during September, the rain falls for 10.7 days and regularly aggregates up to 1.38" (35mm) of precipitation.

When it does not snow in Ansonia?

June through September are months without snowfall.

Does it snow in Ansonia in September?

In Ansonia, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Ansonia have in September?

The average day length in September in Ansonia is 12h and 28min.

When is the sunrise / sunset in September in Ansonia?

On the first day of September, sunrise is at 6:36 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:52 pm EDT.

How many hours of sunshine does Ansonia have in September?

In Ansonia, Pennsylvania, the average sunshine duration in September is 8.3h.

What is the UV index reading in September in Ansonia?

In September, the average daily maximum UV index in Ansonia, Pennsylvania, is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ansonia, PA

Average temperature in September - Ansonia, PA
  • Average high temperature in September: 69.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in September: 49.6°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in September
Ansonia, PA

Average pressure in September - Ansonia, PA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Ansonia, PA

Average wind speed in September - Ansonia, PA
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in September
Ansonia, PA

Average humidity in September - Ansonia, PA
  • Average humidity in September: 81%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in September
Ansonia, PA

Average rainfall in September - Ansonia, PA
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is April (1.69").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in September
Ansonia, PA

Average rainfall days in September - Ansonia, PA
  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in September
Ansonia, PA

Average snowfall in September - Ansonia, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Ansonia, PA

Average snowfall days in September - Ansonia, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Ansonia, PA

Average daylight in September / Average sunshine in September - Ansonia, PA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).

Average sunshine days in September
Ansonia, PA

Average sunshine days in September - Ansonia, PA
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (12.5 days).

Average UV index in September
Ansonia, PA

Average UV index in September - Ansonia, PA
  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Ansonia, PA

Average cloud cover in September - Ansonia, PA
  • Average cloud cover in September: 44

The months with the most cloud cover are January, February and December (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in September
Ansonia, PA

Average visibility in September - Ansonia, PA
  • Average visibility in September: 4mi

The month with the highest visibility is April (6mi).
The month with the lowest visibility is September (4mi).

Ansonia, Pennsylvania, USA

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