September Of 2025's Weather Summary Mount Joy, PA

some monthly records from my personal weather station for the month of September, 2025. This page is a work in progress.
Here are some monthly temperature stats from my weather station for the month of September.
September Minimums And Maxes
MaxLowest MaxMinimumHighest Minimum
Temperature 89.8 ℉ on It is 2025-09-19 71.4 ℉ on It is 2025-09-21 45.9 ℉ on It is 2025-09-09 64.2 ℉ on It is 2025-09-06
Dew Point 74.6 ℉ on It is 2025-09-25 53 ℉ ℉ on It is 2025-09-08 45.1 ℉ on It is 2025-09-08 63.9 ℉ onIt is 2025-09-25
Feels Like 93 ℉ on It is 2025-09-19 71.8 ℉ onIt is 2025-09-21 45.4 ℉ on It is 2025-09-09 64.2 ℉ on It is 2025-09-06
Monthly Temperature This image is a line graph of the average, low and high for the month of September. 120 120 ℉ 110 110 ℉ 100 100 ℉ 90 90 ℉ 80 80 ℉ 70 70 ℉ 60 60 ℉ 50 50 ℉ 40 40 ℉ 30 30 ℉ 20 20 ℉ 10 10 ℉ 0 0 ℉ -10 -10 ℉ -20 -20 ℉ 120 ℉ 110 ℉ 100 ℉ 90 ℉ 80 ℉ 70 ℉ 60 ℉ 50 ℉ 40 ℉ 30 ℉ 20 ℉ 10 ℉ 0 ℉ -10 ℉ -20 ℉ 1Monday, September 1, 2025 2Tuesday, September 2, 2025 3Wednesday, September 3, 2025 4Thursday, September 4, 2025 5Friday, September 5, 2025 6Saturday, September 6, 2025 7Sunday, September 7, 2025 8Monday, September 8, 2025 9Tuesday, September 9, 2025 10Wednesday, September 10, 2025 11Thursday, September 11, 2025 12Friday, September 12, 2025 13Saturday, September 13, 2025 14Sunday, September 14, 2025 15Monday, September 15, 2025 16Tuesday, September 16, 2025 17Wednesday, September 17, 2025 18Thursday, September 18, 2025 19Friday, September 19, 2025 20Saturday, September 20, 2025 21Sunday, September 21, 2025 22Monday, September 22, 2025 23Tuesday, September 23, 2025 24Wednesday, September 24, 2025 25Thursday, September 25, 2025 26Friday, September 26, 2025 27Saturday, September 27, 2025 28Sunday, September 28, 2025 29Monday, September 29, 2025 30Tuesday, September 30, 2025 Monthly Dew Point This image is a line graph of the average, low and high for the month of September. 120 120 ℉ 110 110 ℉ 100 100 ℉ 90 90 ℉ 80 80 ℉ 70 70 ℉ 60 60 ℉ 50 50 ℉ 40 40 ℉ 30 30 ℉ 20 20 ℉ 10 10 ℉ 0 0 ℉ -10 -10 ℉ -20 -20 ℉ 120 ℉ 110 ℉ 100 ℉ 90 ℉ 80 ℉ 70 ℉ 60 ℉ 50 ℉ 40 ℉ 30 ℉ 20 ℉ 10 ℉ 0 ℉ -10 ℉ -20 ℉ 1Monday, September 1, 2025 2Tuesday, September 2, 2025 3Wednesday, September 3, 2025 4Thursday, September 4, 2025 5Friday, September 5, 2025 6Saturday, September 6, 2025 7Sunday, September 7, 2025 8Monday, September 8, 2025 9Tuesday, September 9, 2025 10Wednesday, September 10, 2025 11Thursday, September 11, 2025 12Friday, September 12, 2025 13Saturday, September 13, 2025 14Sunday, September 14, 2025 15Monday, September 15, 2025 16Tuesday, September 16, 2025 17Wednesday, September 17, 2025 18Thursday, September 18, 2025 19Friday, September 19, 2025 20Saturday, September 20, 2025 21Sunday, September 21, 2025 22Monday, September 22, 2025 23Tuesday, September 23, 2025 24Wednesday, September 24, 2025 25Thursday, September 25, 2025 26Friday, September 26, 2025 27Saturday, September 27, 2025 28Sunday, September 28, 2025 29Monday, September 29, 2025 30Tuesday, September 30, 2025 Monthly Feels Like This image is a line graph of the average, low and high for the month of September. 120 120 ℉ 110 110 ℉ 100 100 ℉ 90 90 ℉ 80 80 ℉ 70 70 ℉ 60 60 ℉ 50 50 ℉ 40 40 ℉ 30 30 ℉ 20 20 ℉ 10 10 ℉ 0 0 ℉ -10 -10 ℉ -20 -20 ℉ 120 ℉ 110 ℉ 100 ℉ 90 ℉ 80 ℉ 70 ℉ 60 ℉ 50 ℉ 40 ℉ 30 ℉ 20 ℉ 10 ℉ 0 ℉ -10 ℉ -20 ℉ 1Monday, September 1, 2025 2Tuesday, September 2, 2025 3Wednesday, September 3, 2025 4Thursday, September 4, 2025 5Friday, September 5, 2025 6Saturday, September 6, 2025 7Sunday, September 7, 2025 8Monday, September 8, 2025 9Tuesday, September 9, 2025 10Wednesday, September 10, 2025 11Thursday, September 11, 2025 12Friday, September 12, 2025 13Saturday, September 13, 2025 14Sunday, September 14, 2025 15Monday, September 15, 2025 16Tuesday, September 16, 2025 17Wednesday, September 17, 2025 18Thursday, September 18, 2025 19Friday, September 19, 2025 20Saturday, September 20, 2025 21Sunday, September 21, 2025 22Monday, September 22, 2025 23Tuesday, September 23, 2025 24Wednesday, September 24, 2025 25Thursday, September 25, 2025 26Friday, September 26, 2025 27Saturday, September 27, 2025 28Sunday, September 28, 2025 29Monday, September 29, 2025 30Tuesday, September 30, 2025
  • It did not stay below freezing this month.
  • It did not drop below freezing this month.
  • It did not get above 90 ℉ during September.
  • There were 5 heating degree during the month of September.
  • There were 137 cooling degree days during the month of September.
  • The narrowest temperature range was 10.8℉ on It is 2025-09-24 and the widest temperature range was on 34.8℉ on It is 2025-09-19.
Here are some monthly wind stats from my weather station for the month of September.
  • The windiest day of the month was on It is 2025-09-04 when the wind averaged 15.2 mph
  • 4.5 mph was the lowest average wind during this and it occurred on It is 2025-09-24.
  • The highest wind gust this month was 19 mph on It is 2025-09-04
  • The lowest wind gust this month was 5.1 mph on It is 2025-09-24.
Here are some monthly lightning stats from my weather station for the month of September
  • We had lighting on 3 days during the month of September.
  • The most lightning strikes in a day this month was 180 on It is 2025-09-04.
  • The most lightning strikes in an an hour this month was 172 on It is 2025-09-04.
Here are some monthly rain stats from my weather station for the month of September
  • There were 6 days this month when we had rain.
  • The daily maximum rainfall this month was 0.52 ″ on It is 2025-09-17.
  • The wettest period was 2 days that ended on It is 2025-09-17.
  • The Driest period lasted 11 days that ended on It is 2025-09-15.
  • September's monthly rainfall was 0.85 inches.
  • The heaviest rain rate was 0.83 ″ on It is 2025-09-04.
Monthly Rain This image is a line graph of the rainfall for the month of September. 20 20 Inches Of Rain18 18 Inches Of Rain16 16 Inches Of Rain14 14 Inches Of Rain12 12 Inches Of Rain10 10 Inches Of Rain8 8 Inches Of Rain6 6 Inches Of Rain4 4 Inches Of Rain2 2 Inches Of Rain0 0 Inches Of Rain 20 Inches Of Rain 18 Inches Of Rain 16 Inches Of Rain 14 Inches Of Rain 12 Inches Of Rain 10 Inches Of Rain 8 Inches Of Rain 6 Inches Of Rain 4 Inches Of Rain 2 Inches Of Rain 0 Inches Of Rain 1September 12September 23September 34September 45September 56September 67September 78September 89September 910September 1011September 1112September 1213September 1314September 1415September 1516September 1617September 1718September 1819September 1920September 2021September 2122September 2223September 2324September 2425September 2526September 2627September 2728September 2829September 2930September 30
Here are some monthly barometric pressure stats from my weather station for the month of September
  • The barometric pressure ranged from a low of 29.78 inches of mercury on It is 2025-09-25 to a high of 30.41 inches of mercury on It is 2025-09-08.
Monthly Presure This image is a line graph of the average, low and high for the month of September. 31.50 31.50 Inches Of Mercury31.25 31.25 Inches Of Mercury31.00 31.00 Inches Of Mercury30.75 30.75 Inches Of Mercury30.50 30.50 Inches Of Mercury30.25 30.25 Inches Of Mercury30.00 30.00 Inches Of Mercury29.75 29.75 Inches Of Mercury29.50 29.50 Inches Of Mercury29.25 29.25 Inches Of Mercury29.00 29.00 Inches Of Mercury28.75 28.75 Inches Of Mercury28.50 28.50 Inches Of Mercury 31.50 Inches Of Mercury 31.25 Inches Of Mercury 31.00 Inches Of Mercury 30.75 Inches Of Mercury 30.50 Inches Of Mercury 30.25 Inches Of Mercury 30.00 Inches Of Mercury 29.75 Inches Of Mercury 29.50 Inches Of Mercury 29.25 Inches Of Mercury 29.00 Inches Of Mercury 28.75 Inches Of Mercury 28.50 Inches Of Mercury 1Monday, September 1, 2025 12Tuesday, September 2, 2025 23Wednesday, September 3, 2025 34Thursday, September 4, 2025 45Friday, September 5, 2025 56Saturday, September 6, 2025 67Sunday, September 7, 2025 78Monday, September 8, 2025 89Tuesday, September 9, 2025 910Wednesday, September 10, 2025 1011Thursday, September 11, 2025 1112Friday, September 12, 2025 1213Saturday, September 13, 2025 1314Sunday, September 14, 2025 1415Monday, September 15, 2025 1516Tuesday, September 16, 2025 1617Wednesday, September 17, 2025 1718Thursday, September 18, 2025 1819Friday, September 19, 2025 1920Saturday, September 20, 2025 2021Sunday, September 21, 2025 2122Monday, September 22, 2025 2223Tuesday, September 23, 2025 2324Wednesday, September 24, 2025 2425Thursday, September 25, 2025 2526Friday, September 26, 2025 2627Saturday, September 27, 2025 2728Sunday, September 28, 2025 2829Monday, September 29, 2025 2930Tuesday, September 30, 2025 30
Here are some monthly humidity stats from my weather station for the month of September
  • The lowest humidiy recorded during September was 35% on It is 2025-09-11.