Global temperature, Sep 1938

Global anomaly+0.01°C1951–1980

Rank among all Seps66 / 146warmest first

N. Hemisphere+0.14°C

S. Hemisphere−0.15°C

vs same month last year−0.08°C

CO₂ (Mauna Loa)–

All months of 1938

Jan+0.08°C

Feb+0.03°C

Mar+0.10°C

Apr+0.06°C

May−0.10°C

Jun−0.17°C

Jul−0.10°C

Aug−0.06°C

Sep ◀+0.01°C

Oct+0.14°C

Nov+0.07°C

Dec−0.13°C

This month+0.01°C

Same month, previous year+0.09°C

Same month 10 years earlier−0.21°C

Same month 50 years earlier−0.12°C

Sep average 1991–2020+0.58°C

Warmest Sep on record (2023)+1.48°C

Year	Global	NH	SH	Rank
1928	−0.21°C	−0.15°C	−0.26°C	113
1929	−0.25°C	−0.21°C	−0.29°C	123
1930	−0.15°C	−0.02°C	−0.27°C	99
1931	−0.07°C	+0.18°C	−0.29°C	80
1932	−0.11°C	+0.10°C	−0.30°C	89
1933	−0.29°C	−0.28°C	−0.31°C	129
1934	−0.15°C	−0.14°C	−0.16°C	98
1935	−0.21°C	−0.06°C	−0.34°C	112
1936	−0.09°C	+0.06°C	−0.24°C	84
1937	+0.09°C	+0.28°C	−0.10°C	53
1938	+0.01°C	+0.14°C	−0.15°C	66
1939	−0.08°C	+0.12°C	−0.27°C	82
1940	+0.15°C	+0.25°C	+0.07°C	46
1941	+0.02°C	+0.10°C	−0.03°C	65
1942	−0.03°C	+0.10°C	−0.16°C	72
1943	+0.05°C	+0.13°C	−0.04°C	61
1944	+0.28°C	+0.36°C	+0.21°C	37
1945	+0.21°C	+0.21°C	+0.22°C	42
1946	−0.07°C	−0.03°C	−0.12°C	79
1947	−0.12°C	−0.01°C	−0.24°C	90
1948	−0.14°C	−0.03°C	−0.27°C	95

Rank 833 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.