Cool
Average highs are around 11°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 11°C, so pack for cooler days. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 97mm, so some wet days are possible.
Monthly averages
Temp
11°C
Rain
97mm
Sun
5.2h
Sea
13°C
Weather score
22
Poor
Cool
Average highs are around 11°C, so pack for cooler days.
Showers
Rainfall averages 97mm, so some wet days are possible.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Compare Ben Lomond National Park, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
September11°C average high
September is on the cooler side of Ben Lomond National Park's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
September97mm average rain
September sits near Ben Lomond National Park's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September5.2 hours average sun
September sits close to Ben Lomond National Park's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
September13°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
September22 weather score
September scores below Ben Lomond National Park's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February
These months have the strongest weather score in the monthly averages.