Weather on September 1

Meridian, ID

55 Years of Data

Avg High
85°F
Avg Low
53°F
Warmest
1998
82°F avg
Coldest
1973
56°F avg

About This Date

September 1st in Meridian, ID typically brings warm fall weather, with average highs around 85°F and lows near 53°F — a 32°F daily swing. Over 55 years of records, the warmest September 1st was in 1998 (82°F average), while the coldest was 1973 (56°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 5% of September 1st dates historically. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.

Planning for September 1st in Meridian, ID? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
2.4°F per decade on this date
YearHighLowAvgPrecipSnow
2025101°64°82°
202499°61°80°
202385°62°73°
202297°64°80°
202180°47°63°
202084°49°66°
201997°65°81°
201882°52°67°
201793°56°74°
201686°58°72°
201587°58°72°
201477°49°63°
201394°62°78°
201285°57°71°
201177°48°63°
201078°60°69°
200995°66°81°
200870°48°59°
200796°62°79°
200684°46°65°
200587°54°70°
200490°64°77°
200388°63°75°
200287°57°72°
200192°59°75°
200071°54°62°0.25"
199973°42°58°
1998warmest98°66°82°
199797°65°81°
199677°49°63°
199594°56°75°
199486°49°67°
199382°49°65°
199285°53°69°
199187°60°74°
199091°50°71°
198989°56°72°
198888°42°65°
198798°52°75°
198678°47°62°
198575°43°59°
198473°43°58°
198378°56°67°0.1"
198284°44°64°
198185°46°65°
198078°38°58°
197988°47°67°
197883°55°69°
197776°38°57°
197697°49°73°
197569°44°57°
197486°46°66°
1973coldest70°43°56°0.05"
197282°43°62°
197182°40°61°
55 years of data from KUNA

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

September 1st Weather in Meridian, ID - 55 Years of History