September weather forecast
Hepler, PA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Hepler, Pennsylvania, with an average temperature fluctuating between 54°F (12.2°C) and 73.2°F (22.9°C).

Temperature

The arrival of September is marked by a minor reduction in average high-temperature, sliding from a warm 79.3°F (26.3°C) in August to a pleasant 73.2°F (22.9°C). Throughout the month of September, Hepler sees a steady low-temperature average of 54°F (12.2°C).

Humidity

In Hepler, the average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 8.8 days and accumulates 0.35" (9mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Hepler, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:34 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:49 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in September in Hepler is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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 Hepler in September?

In September, in Hepler, the average high-temperature is 73.2°F (22.9°C), and the average low-temperature is 54°F (12.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in July is calculated to be 87.8°F (31°C).

What is the average humidity in September in Hepler?

In September, the average relative humidity is 80%.

What is the driest month in Hepler?

The month with the least rainfall in Hepler is September, when the rain falls for 8.8 days and typically collects 0.35" (9mm) of precipitation.

How many days does it rain in September in Hepler?

In Hepler, Pennsylvania, in September, during 8.8 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

When it does not snow in Hepler?

In Hepler, Pennsylvania, snow does not fall in May through October.

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

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

What time are sunrise and sunset in September in Hepler?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:38 pm. On the last day of the month, in Hepler, Pennsylvania, sunrise is at 7:02 am and sunset at 6:49 pm EDT.

How long on average sun shines in September in Hepler?

The average sunshine duration in September is 8.7h.

What is the UV index intensity in September in Hepler?

In Hepler, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index reading 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
Hepler, PA

Average temperature in September - Hepler, PA
  • Average high temperature in September: 73.2°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in September: 54°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in September
Hepler, PA

Average pressure in September - Hepler, PA
  • Average pressure in September: 30.07"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).

Average wind speed in September
Hepler, PA

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

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
Hepler, PA

Average humidity in September - Hepler, PA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).

Average rainfall in September
Hepler, PA

Average rainfall in September - Hepler, PA
  • Average rainfall in September: 0.35"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in September
Hepler, PA

Average rainfall days in September - Hepler, PA
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in September
Hepler, PA

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

The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Hepler, PA

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

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in September
Hepler, PA

Average sunshine days in September - Hepler, PA
  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (14.6 days).

Average UV index in September
Hepler, PA

Average UV index in September - Hepler, 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).

Average cloud cover in September
Hepler, PA

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

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in September
Hepler, PA

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

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

Hepler, Pennsylvania, USA

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