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Northumberland County, VA

: September 2026 so far averaged 73.2°F in Northumberland County, VA, the warmest 1 to 29 September in the county average since 2019, tied 9th warmest of 76 (with 2005) (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

High
71°F
Coldest since 2023
18th coldest of 76
Low
59.8°F
Warmest since 2025
25th warmest of 76

No measurable precipitation in the county average of Northumberland County, VA for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in Northumberland County, VA since 1951: 71°F in 2026; the highest is 90.8°F, in 1954.
2023: 68.1°F1954: 90.8°F2026: 71°F 2026 71°F 1954 90.8°F since 2023 1951 2026
  • Normal range, 70 to 82.1°F
Every year as a table

Every 29 September low of the county average in Northumberland County, VA since 1951: 59.8°F in 2026; the lowest is 45°F, in 1978.

YearHigh, °FLow, °F
20267159.8
202578.163.2
202484.868.2
202368.157.3
202269.651.2
202179.960.6
202079.564.5
201985.467.8
20187459.8
201781.856.9
201674.964.2
201581.868
20147853.7
201371.553.8
201280.859.7
201180.866.1
20108263.1
200981.155.3
200877.563.8
200782.857.7
200679.455.4
200579.253.3
200478.665.4
200375.454.9
200279.560.4
200164.949.1
200073.948.1
199975.166
19988862.7
199774.462.2
199677.956.5
199577.154.6
199476.655
199370.247.4
199268.657.6
199168.645.6
199075.152.6
19896946.3
19888052.9
19878255.2
198674.962.9
198571.548.1
198455.448.4
198372.955
198275.355.2
198175.748.5
198070.347.2
197977.763.9
197877.745
197775.655.6
197673.652.6
197571.350.4
197481.465.8
19738663.5
197272.661.8
19717859.2
19706848.2
196972.551.3
196875.452.3
196780.165.5
196668.255.6
196570.452.1
196470.755.6
196378.156.3
196270.247
196176.951.7
196072.362
195981.167
195867.746.5
195760.347.3
195662.752.6
195579.459.5
195490.862
195380.752.9
195276.748.6
195172.748.5

The month

August 2026 averaged 79.3°F in Northumberland County, VA, the warmest August in the county average since 2006, 4th warmest of 132 (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 71°F averaged over Northumberland County, VA, the coldest 29 September day in the county average since 2023, 18th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 59.8°F averaged over Northumberland County, VA, the warmest 29 September night in the county average since 2025, tied 25th warmest of 76 (with 2018) (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Wallops Island, VA 50.7 mi, the nearest city with its own station