Global temperature, Sep 1880

Global anomaly−0.15°C1951–1980

Rank among all Seps101 / 146warmest first

N. Hemisphere−0.25°C

S. Hemisphere−0.06°C

vs same month last year–

CO₂ (Mauna Loa)–

All months of 1880

Jan−0.19°C

Feb−0.26°C

Mar−0.10°C

Apr−0.17°C

May−0.11°C

Jun−0.22°C

Jul−0.19°C

Aug−0.11°C

Sep ◀−0.15°C

Oct−0.24°C

Nov−0.23°C

Dec−0.18°C

This month−0.15°C

Sep average 1991–2020+0.58°C

Warmest Sep on record (2023)+1.48°C

Year	Global	NH	SH	Rank
1880	−0.15°C	−0.25°C	−0.06°C	101
1881	−0.16°C	−0.27°C	−0.05°C	103
1882	−0.15°C	−0.26°C	−0.05°C	100
1883	−0.22°C	−0.34°C	−0.11°C	118
1884	−0.27°C	−0.45°C	−0.11°C	126
1885	−0.29°C	−0.40°C	−0.19°C	131
1886	−0.24°C	−0.34°C	−0.15°C	122
1887	−0.26°C	−0.22°C	−0.30°C	125
1888	−0.12°C	−0.21°C	−0.05°C	93
1889	−0.24°C	−0.31°C	−0.17°C	121
1890	−0.37°C	−0.36°C	−0.38°C	140

Rank 1178 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.