Lasem i
September · Central Java

Lasem in September

Go score
86 Excellent
Average high
33°
Sea temperature
29°
Tourist density
Moderate
Quick answers
How warm is it in Lasem in September?
Expect around 33°C (91°F) in the afternoon and 22°C (72°F) at night.
Can you swim in the sea in Lasem in September?
Definitely: the sea is around 29°C (83°F), warm enough to stay in for a while. It is usually about 28°C (83°F) at the start of the month and 29°C (84°F) at the end.
Is it too hot in Lasem in September?
It is hot: afternoons in Lasem average 33°C (91°F) in September and nights stay around 22°C (72°F), with humidity near 71%. Go out early, rest at midday and drink plenty.
September · Go score 86/100

Is September a good time to visit Lasem?

Yes, September is a good time to visit Lasem (go score 86/100), though the weather is even better in July–August.

The sea is warm enough for swimming (about 29°C (83°F)). Tourist crowds: moderate.

Good forBeach & swimming
Climate

Go score: Excellent · #4 of 12 months

Tourist densityModerateestimate
Average high33°C (91°F)+1° vs. August
Average low22°C (72°F)
Sea temperature29°C (83°F)very warm
Rain days4 days38 mm
Sunshine per day9.7 h80%
Daylight12.1 h
Humidity71%
Wind14 km/h

Lasem in September: the month in numbers

In Lasem, September afternoons average 33°C (91°F) and nights 22°C (72°F). There is little difference from August; October is similar at 33°C (91°F). Rain falls on about 4 days (38 mm in total), so most days stay dry. Of 12 h 6 min between sunrise and sunset, roughly 9 h 42 min are sunny. With the water at 29°C (83°F), beach days work well, moving from 28°C (83°F) to 29°C (84°F) through the month, and it peaks in November at 30°C (85°F).

Visitor numbers: moderate. The general price level is very cheap.

The sun is up from 05:36 to 17:35 on the 1st and from 05:21 to 17:30 on the last day. Days get 10 min longer.

Lasem or nearby? The same month in neighbouring destinations

Nearby destinations are about as warm in September: Rembangan (12 km), Juwana (33 km), Pati (46 km).

DestinationDistanceHighLowRain daysSeaGo score
Lasem—33°22°429°86
Rembangan12 km34°23°429°82
Juwana33 km33°23°429°84
Pati46 km33°22°429°84

September falls in the dry season in Java. Month by month

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Frequently asked questions

Is September a good time to visit Lasem?

Yes, September is a good time to visit Lasem (go score 86/100), though the weather is even better in July–August. The sea is warm enough for swimming (about 29°C (83°F)). Tourist crowds: moderate.

What is the weather like in Lasem in September?

In September, Lasem averages a high of 33°C (91°F) and a low of 22°C (72°F), with 38 mm of rain on about 4 days.

Lasem: sea water temperature

In September: 29°C (83°F) — very warm.

Water temperature details →

Updated: Climate normals: WorldClim 2.1 (1970–2000) · CRU CL 2.0 (1961–1990) About this data: Climate normals