September weather forecast
Hamburg, PA

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Weather in September

September, the first month of the autumn in Hamburg, is also a moderately hot month, with an average temperature varying between 73.8°F (23.2°C) and 54.7°F (12.6°C).

Temperature

Hamburg experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from 80.2°F (26.8°C) in August to a still warm 73.8°F (23.2°C). Hamburg witnesses an average low-temperature of 54.7°F (12.6°C) throughout the month of September.

Humidity

In Hamburg, the average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.61" (41mm) of precipitation.

Snowfall

In Hamburg, Pennsylvania, 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 September, sunrise is at 6:31 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

Sunshine

The average sunshine in September in Hamburg is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the usual temperature for Hamburg in September?

The average high-temperature, in September, in Hamburg, is 73.8°F (23.2°C), while the average low-temperature is 54.7°F (12.6°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

What is the average humidity in September in Hamburg?

In September, the average relative humidity in Hamburg, Pennsylvania, is 79%.

What is the driest month in Hamburg?

September is the month with the least rainfall in Hamburg, Pennsylvania. Rain falls for 11.2 days and accumulates 1.61" (41mm) of precipitation.

How much does it rain in Hamburg in September?

In Hamburg, Pennsylvania, during September, the rain falls for 11.2 days and regularly aggregates up to 1.61" (41mm) of precipitation.

When it does not snow in Hamburg?

In Hamburg, Pennsylvania, snow does not fall in June through September.

Does it snow in Hamburg in September?

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

What is the average length of the day in September in Hamburg?

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

When is the sunrise / sunset in September in Hamburg?

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 7:35 pm. On the last day of the month, in Hamburg, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

How long on average sun shines in September in Hamburg?

In Hamburg, the average sunshine duration in September is 8.7h.

What is the UV index intensity in September in Hamburg?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Hamburg, PA

Average temperature in September - Hamburg, PA
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in September: 54.7°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in September
Hamburg, PA

Average pressure in September - Hamburg, 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 (29.94"Hg).

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Average wind speed in September
Hamburg, PA

Average wind speed in September - Hamburg, PA
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Hamburg, PA

Average humidity in September - Hamburg, PA
  • Average humidity in September: 79%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in September
Hamburg, PA

Average rainfall in September - Hamburg, PA
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in September
Hamburg, PA

Average rainfall days in September - Hamburg, PA
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in September
Hamburg, PA

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

The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Hamburg, PA

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

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Hamburg, 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 18min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in September
Hamburg, PA

Average sunshine days in September - Hamburg, PA
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in September
Hamburg, PA

Average UV index in September - Hamburg, PA
  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Hamburg, PA

Average cloud cover in September - Hamburg, PA
  • Average cloud cover in September: 38

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in September
Hamburg, PA

Average visibility in September - Hamburg, PA
  • Average visibility in September: 5mi

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

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Hamburg, Pennsylvania, USA

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