September weather forecast
Gilbertsville, PA

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Weather in September

The first month of the autumn, September, is still a warm month in Gilbertsville, Pennsylvania, with an average temperature varying between 57.2°F (14°C) and 75.4°F (24.1°C).

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from 81.9°F (27.7°C) in August to a still moderately hot 75.4°F (24.1°C). An average nighttime temperature of 57.2°F (14°C) is observed in Gilbertsville during September.

Humidity

In Gilbertsville, the average relative humidity in September is 78%.

Rainfall

In Gilbertsville, during September, the rain falls for 11 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Gilbertsville, during the entire year, the rain falls for 128.6 days and collects up to 15.16" (385mm) of precipitation.

Snowfall

In Gilbertsville, snow does not fall in June through October.

Daylight

In Gilbertsville, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of September, in Gilbertsville, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

Sunshine

In Gilbertsville, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index in Gilbertsville is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What is the temperature in September in Gilbertsville?

In September, in Gilbertsville, the average high-temperature is 75.4°F (24.1°C), and the average low-temperature is 57.2°F (14°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 87.8°F (31°C).

What is the average humidity in September in Gilbertsville?

In September, the average relative humidity in Gilbertsville is 78%.

How much does it rain in Gilbertsville in September?

In Gilbertsville, in September, during 11 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow in Gilbertsville?

June through October are months without snowfall in Gilbertsville, Pennsylvania.

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

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

When are sunrise and sunset in September in Gilbertsville?

On the first day of September in Gilbertsville, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

How long on average sun shines in September in Gilbertsville?

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

How high is the UV index in September in Gilbertsville?

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

Average temperature in September - Gilbertsville, PA
  • Average high temperature in September: 75.4°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in September
Gilbertsville, PA

Average pressure in September - Gilbertsville, 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).

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Average wind speed in September
Gilbertsville, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Gilbertsville, PA

Average humidity in September - Gilbertsville, PA
  • Average humidity in September: 78%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in September
Gilbertsville, PA

Average rainfall in September - Gilbertsville, PA
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in September
Gilbertsville, PA

Average rainfall days in September - Gilbertsville, PA
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in September
Gilbertsville, PA

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

The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Gilbertsville, PA

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

The month with the highest number of snowfall days is February (5.3 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
Gilbertsville, PA

Average daylight in September / Average sunshine in September - Gilbertsville, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Gilbertsville, PA

Average sunshine days in September - Gilbertsville, PA
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in September
Gilbertsville, PA

Average UV index in September - Gilbertsville, 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).

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Average cloud cover in September
Gilbertsville, PA

Average cloud cover in September - Gilbertsville, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in September
Gilbertsville, PA

Average visibility in September - Gilbertsville, 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).

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Gilbertsville, Pennsylvania, USA

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