United StatesSeptember 2026
National Weather Service warnings and watches: September 2026
AreaZine recorded 2,824 warnings and watches from NWS in September 2026. Nationally the NWS issued 3,688 warnings in September 2026, 76% above the average of 2,094 for September in 2008-2025, and 6,031 warnings, watches and advisories in all (IEM VTEC archive).
Which warnings did the NWS issue most in September 2026?
| Product | September 2026 | An average September, 2008-2025 |
|---|---|---|
| Severe Thunderstorm Warning | 2,242 | 970 |
| Flood Advisory | 1,371 | 992 |
| Flash Flood Warning | 876 | 426 |
| Flood Warning | 333 | 390 |
| Heat Advisory | 209 | 31 |
| Flood Watch | 167 | 45 |
| Tornado Warning | 120 | 151 |
| Dense Fog Advisory | 114 | 97 |
| Coastal Flood Advisory | 89 | 62 |
| Wind Advisory | 56 | 59 |
Source: Iowa Environmental Mesonet archive of NWS watches, warnings and advisories (VTEC). A U.S. Government work, in the public domain.
Every notice, September 2026
NWS Lake CharlesWarningSeptember 1, 2026
Tropical Storm Warning: Southern Orange, TX
Expired 2:00 p.m. CDT, September 1, 2026
NWS New OrleansWarningSeptember 1, 2026
Special Marine Warning: Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm and Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM
Expired 2:00 a.m. CDT, September 1, 2026
NWS San JuanWarningSeptember 1, 2026
Flash Flood Warning: Guayama, PR
Expired 3:15 a.m. EDT, September 1, 2026
NWS San JuanWarningSeptember 1, 2026
Flash Flood Warning: Arroyo, Maunabo, Patillas and 1 more, PR
Expired 3:15 a.m. EDT, September 1, 2026
Source: National Weather Service alerts (api.weather.gov).