Virginia: Arlington - " SEPTEMBER 2012 WAS THE 11TH CONSECUTIVE MONTH IN WASHINGTON DC WITH A MONTHLY TEMPERATURE ABOVE THE 1981-2010 MONTHLY NORMAL...BUT ONLY BY SLIGHTLY MORE THAN 1 DEGREE. TWO DAILY HIGH MINIMUM TEMPERATURE RECORDS WERE SET THIS MONTH. A LOW TEMPERATURE OF 76 DEGREES ON THE 4TH TIED THE DAILY HIGH MINIMUM TEMPERATURE RECORD OF 76 DEGREE LAST SET IN 1953. A LOW TEMPERATURE OF 78 DEGREES ON THE 5TH BROKE THE PREVIOUS DAILY HIGH MINIMUM TEMPERATURE RECORD OF 76 DEGREES SET IN 1983. AFTER 8 CONSECUTIVE MONTHS OF BELOW NORMAL RAINFALL...SEPTEMBER 2012 WAS THE FIRST MONTH THIS YEAR WITH MONTHLY RAINFALL ABOVE NORMAL. THUNDERSTORMS DURING THE AFTERNOON ON THE 18TH PRODUCED A 61 MPH WIND GUST AT REAGAN NATIONAL AIRPORT. " - [ + + ] - Notes from NWS Sterling, VA

Bridgewater - Clayton reports: " The precipitation for year is now 2.56 above normal. There were no frost, thunderstorms, or tropical storms during the month. The grass is green and the farmers' corn crops have been great. We have had a great summer! " - [ - - ]

Chantilly - Russ sends these additional notes: " Summer's heat quickly faded. After September 9th, we didn't top 90° again. The mean monthly temperature was 68.9° (+1.0°). The mean high temperature was 79.5° (+0.1°) and the mean low temperature was 58.3° (+2.0°). September temperature records set include a new high minimum temp on the 4th (72.1°), and a tied high minimum temperature on the 2nd (71.6°) and 5th (73.3°). Precipitation was 0.01" above normal at 3.93". A record 1.24" of rain fell on the 2nd. Thunderstorms were observed on the 2nd, 8th, 26th and 27th. *Please note, anemometer is currently partially obstructed from the North and East " - [ + + ]

Dulles - from NWS Sterling (KLWX): " THE MONTHLY AVERAGE TEMPERATURE AT DULLES WAS JUST SLIGHTLY ABOVE NORMAL FOR THE MONTH OF SEPTEMBER 2012...THE THIRD MONTH IN A ROW TO FEATURE ABOVE NORMAL AVERAGE MONTHLY TEMPERATURES. AFTER A WARM START TO THE MONTH...16 OUT OF THE LAST 20 DAYS THIS SEPTEMBER AT DULLES HAD BELOW NORMAL TEMPERATURES. THE MIN READING OF 46 DEGREES ON THE 11TH WAS THE COOLEST TEMPERATURE SINCE MAY 18 OF 2012 WHEN THE TEMPERATURE DIPPED TO 45 DEGREES. A DAILY RECORD HIGH MINIMUM TEMPERATURE OF 71 DEGREES WAS SET AT WASHINGTON DULLES DC YESTERDAY. THIS BREAKS THE OLD RECORD OF 70 SET IN 1979. PRECIPITATION WAS BELOW NORMAL AGAIN THIS MONTH. EIGHT OUT OF THE NINE MONTHS THUS FAR IN 2012 HAVE HAD BELOW NORMAL PRECIPITATION. " - [ + - ]

Glen Allen - Lowell reports: " September was cooler and much drier than average as the monthly mean temperature was 70.2°F, a -1.5°F departure based on my four year average and the coolest September since 2009 with a 69.2°F mean temperature. The maximum temperature for September was 91°F on the 2nd and the lowest minimum was 46°F recorded on the 24th that was a new record low for September (records since 2008). The average minimum temperature was 59.5 was also the lowest on record. This occurred because of many clear mornings, which tied with 2010 for the greatest number of clear mornings. This September also had the second highest temperature range for the month with 21.7°F. Glen Allen had the driest Sep. on record with only 1.56 inches of precipitation and was the driest month since February of 2011. The airport had 4.05 inches as the result of two thunderstorms on the 2nd and 6th each giving the airport more than one inch. This was the 43rd wettest September since 1887 at the Richmond International Airport. The Richmond International Airport's mean temperature was 70.3, and that was the 69th warmest September since 1881. On the 4th the airport set the only daily record for the month. The minimum of 75°F set a record high minimum temperature for the date. The old record was 73°F in 1898, 1953, 1993. Only five September days since 1897 have had a September minimum temperature higher than the 75°F minimum on the 4th. The average minimum temperature was 60°F that was the lowest since 2001 when 57.2°F was recorded. The first five days of September were warm with the first five nights staying above 70°F. This was the first September since 1996 that had five or more days the minimum temperature was above 70°F in September. " - [ - - ] "

Herndon - Randy sends these additional notes: " September was slightly below normal for temperature and precipitation. The temperatures ranged between a high of 91 and a low of 45. We averaged 0.9 degrees below normal for the month. On the precipitation side, the month was 1.85" below normal with only 3.29" measured. This is the ninth consecutive month of below average precipitation. We had thunderstorms on the four days. We have now had only 23.60" for the year, which is now about 12.0" below normal for the year. " - [ - - ]

Portsmouth - " September 2012's total rainfall of 1.97" qualified the month as the 8TH DRIEST SEPTEMBER IN THE DATABASE TO 1976. The top 5 driest Septembers here include: 1) 0.25" 2007 2) 0.26" 1978 3) 0.32" 1986 4) 1.11" 1977 5) 1.54" 1994. September's average temperature (71.0°) was 1.5° BELOW NORMAL. Precipitation was BELOW NORMAL by 3.22" or 38% of normal relative to normal Septembers for the period from 1976 to 2011. Frontal passages occurred on the 6th,8th,15th,18th,23rd, and 29th. SEPTEMBER STATION RECORD: 11th - TEMPERATURE Minimum Maximum 73° [previous 74° 2006] " - [ - - ]

North Carolina:

Fayetteville - from NWS Raleigh RAH: " THE MINIMUM TEMPERATURE ON SEPTEMBER 1 WAS 75 DEGREES. THIS TIED THE RECORD HIGH MINIMUM TEMPERATURE OF 75 DEGREES SET IN 2000. " - [ -/+ - ]

Greensboro - from NWS Raleigh RAH: " THE MINIMUM TEMPERATURE ON SEPTEMBER 1 WAS 74 DEGREES. THIS BROKE THE RECORD HIGH MINIMUM TEMPERATURE OF 72 DEGREES SET IN 1950. THE MINIMUM TEMPERATURE ON SEPTEMBER 4 WAS 72 DEGREES. THIS BROKE THE RECORD HIGH MINIMUM TEMPERATURE OF 71 DEGREES SET IN 1993. " - [ - + ]

Raleigh - Bob sends these notes: " SEPTEMBER IS THE SECOND CONSECUTIVE MONTH OF BELOW NORMAL TEMPERATURES. IN ADDITION, RAINFALL WAS 4.02" ABOVE NORMAL. PRECIPITATION FOR THE YEAR IS 6.01" ABOVE NORMAL. NO SIGNIFICANT SEVERE WEATHER WAS OBSERVED DURING SEPTEMBER, HOWEVER A TORNADO WATCH WAS ISSUED ON THE 18TH. " - [ - + ]

Nearby Locations:

Tri-Cities - from NWS MRX, Morristown, TN: " The monthly-averaged temperature at Tri-Cities in September was 67.1 degrees which equaled the normal value. It tied with 1968, 1993 and 2000 as the 25th coolest September on record. The coolest September at Tri-Cities was in 1967 when the average temperature was 62.6 degrees. Tri-Cities received 6.01 inches of rain in September, which was 3.02 inches above normal. It tied with 2004 as the 4th wettest September on record. Measurable precipitation occurred on 8 days and just 6 of those days had more than one-quarter of an inch of precipitation. The heaviest precipitation fell on the 18th when 2 inches of rain was reported, which also broke the previous record of 0.55 inches set in 1991. An additional 1.13 inches of rain was reported on the previous day. The wettest September of the 74 years of observations taken at Tri-Cities was in 1972 when 7.09 inches of precipitation were recorded. " - [ - + ]