September weather forecast
New Britain, PA

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Weather in September

The first month of the autumn, September, is still a warm month in New Britain, Pennsylvania, with an average temperature ranging between max 76.1°F (24.5°C) and min 57.9°F (14.4°C).

Temperature

September indicates a minor shift in the average high-temperature, from August's 82.8°F (28.2°C) to a still warm 76.1°F (24.5°C). The low-temperature averages to a mild 57.9°F (14.4°C) during the nights of September.

Humidity

In September, the average relative humidity is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.65" (42mm) of precipitation.

Snowfall

In New Britain, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:44 pm EDT.

Sunshine

In New Britain, the average sunshine in September is 8.8h.

UV index

In New Britain, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

What is the temperature in September in New Britain?

The high-temperature, in September, in New Britain, records 76.1°F (24.5°C), while the low-temperature is 57.9°F (14.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 89.6°F (32°C).

What is the average humidity in September?

In New Britain, the average relative humidity in September is 77%.

What is the driest month?

September is the month with the least rainfall in New Britain. Rain falls for 12 days and accumulates 1.65" (42mm) of precipitation.

How much does it rain in September?

In New Britain, during September, the rain falls for 12 days and regularly aggregates up to 1.65" (42mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In New Britain, Pennsylvania, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In September, the average day length is 12h and 27min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:28 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm EDT.

How many hours of sunshine does New Britain have in September?

The average sunshine duration in September is 8.8h.

What is the UV index intensity in September in New Britain?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
New Britain, PA

Average temperature in September - New Britain, PA
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in September: 57.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in September
New Britain, PA

Average pressure in September - New Britain, 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
New Britain, PA

Average wind speed in September - New Britain, PA
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
New Britain, PA

Average humidity in September - New Britain, PA
  • Average humidity in September: 77%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September
New Britain, PA

Average rainfall in September - New Britain, PA
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in September
New Britain, PA

Average rainfall days in September - New Britain, PA
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.7 days).

Average snowfall in September
New Britain, PA

Average snowfall in September - New Britain, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
New Britain, PA

Average snowfall days in September - New Britain, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
New Britain, PA

Average daylight in September / Average sunshine in September - New Britain, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
New Britain, PA

Average sunshine days in September - New Britain, PA
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (11 days).

Average UV index in September
New Britain, PA

Average UV index in September - New Britain, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (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
New Britain, PA

Average cloud cover in September - New Britain, PA
  • Average cloud cover in September: 38

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
New Britain, PA

Average visibility in September - New Britain, PA
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

New Britain, Pennsylvania, USA

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