September weather forecast
Pennhurst, PA

• Average temperature in September
• Average pressure in September
• Average wind speed in September
• Average humidity in September
• Average rainfall in September
• Average rainfall days in September
• Average snowfall in September
• Average snowfall days in September
• Average daylight in September
• Average sunshine in September
• Average sunshine days in September
• Average UV index in September
• Average cloud cover in September
• Average visibility in September

Average temperature in September
Pennhurst, PA

• Average high temperature in September: 75.2°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

• Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in September
Pennhurst, 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
Pennhurst, 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).

Average humidity in September
Pennhurst, PA

• Average humidity in September: 78%

The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in September
Pennhurst, PA

• Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in September
Pennhurst, PA

• Average rainfall days in September: 12.3 days

The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in September
Pennhurst, PA

• Average snowfall in September: 0"

The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Pennhurst, PA

• Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

• Average sunshine days in September: 16.4 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in September
Pennhurst, 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
Pennhurst, PA

• Average cloud cover in September: 38

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

Average visibility in September
Pennhurst, 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).