What is the weather like in Lassen Volcanic National Park vs Portland in September?

In September, Lassen Volcanic National Park averages 20°C high / 8°C low with about 35 mm of rain; Portland averages 24°C high / 14°C low with about 46 mm.

Lassen Volcanic National Park vs Portland in September

Lassen Volcanic National Park and Portland are nearly tied in September — 94 vs 94 on SeasonMap's comfort score. Lassen Volcanic National Park is nice, a little rain, clean air; Portland is warm, a little rain, clean air.

Lassen Volcanic National Park vs Portland — September climate, side by side

	🇺🇸 Lassen Volcanic National Park	🇺🇸 Portland
Comfort score	94/100 (S)	94/100 (S)
Feels-like high	17°C	24°C
Avg high / low	20° / 8°	24° / 14°
Rainfall	35 mm	46 mm
Rainy days	5	5
Humidity	47%	67%
Air quality (AQI)	41	33

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Lassen Volcanic National Park vs Portland in September — FAQ

Is September better in Lassen Volcanic National Park or Portland?: Lassen Volcanic National Park and Portland are nearly tied in September — 94 vs 94 on SeasonMap's comfort score. Lassen Volcanic National Park is nice, a little rain, clean air; Portland is warm, a little rain, clean air.
What is the weather like in Lassen Volcanic National Park vs Portland in September?: In September, Lassen Volcanic National Park averages 20°C high / 8°C low with about 35 mm of rain; Portland averages 24°C high / 14°C low with about 46 mm.