With the approaching El Nino superimposed upon a long-term warming trend, many high temperature records were established in September, 2023. (Now updated with the usual tabular values). The Version 6 global average lower tropospheric temperature (LT) anomaly for September, 2023 was +0.90 deg. C departure from the 1991-2020 mean. This is above the August 2023 … Continue reading UAH Global Temperature Update for September, 2023: +0.90 deg. C