September weather forecastMartindale, PA

September

Weather in September

September, the first month of the autumn in Martindale, is still a warm month, with an average temperature ranging between max 74.5°F (23.6°C) and min 56.3°F (13.5°C).

Temperature

In Martindale, entering September brings a subtle temperature decrement, reducing from August's warm 80.6°F (27°C) to a still moderately hot 74.5°F (23.6°C). During September, Martindale experiences a consistent low-temperature average of 56.3°F (13.5°C).

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 13 days and accumulates 2.28" (58mm) of precipitation.

Snowfall

In Martindale, snow does not fall in June through September.

Daylight

In Martindale, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

The high-temperature, in September, in Martindale, records 74.5°F (23.6°C), while the low-temperature is 56.3°F (13.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 86°F (30°C).

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

September is the month with the least rainfall. Rain falls for 13 days and accumulates 2.28" (58mm) of precipitation.

In Martindale, during September, the rain falls for 13 days and regularly aggregates up to 2.28" (58mm) of precipitation.

June through September are months without snowfall in Martindale.

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

In Martindale, Pennsylvania, the average day length in September is 12h and 26min.

In September, on the first day of the month, sunrise is at 6:32 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.

In September, the average sunshine duration is 8.8h.

In Martindale, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Martindale, PA

  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in September
Martindale, 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).

Average wind speed in September
Martindale, PA

  • Average wind speed in September: 5.6mph

The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Martindale, PA

  • Average humidity in September: 80%

The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in September
Martindale, PA

  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in September
Martindale, PA

  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in September
Martindale, PA

  • Average snowfall in September: 0"

The month with the highest snowfall is March (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Martindale, PA

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 24min

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 48min

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

Average sunshine days in September
Martindale, PA

  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in September
Martindale, PA

  • Average UV index in September: 4

The months with the highest UV index are May, June and July (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
Martindale, PA

  • Average cloud cover in September: 38

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Martindale, PA

  • Average visibility in September: 5mi

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