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.| Max | Lowest Max | Minimum | Highest 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 |
- 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.
- 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.
- 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.
- 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.
- 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.
- The lowest humidiy recorded during September was 35% on It is 2025-09-11.