Grasberg Weather in September

With daytime temperatures of 20°C (68°F) and nighttime lows of 11°C (52°F), September in Grasberg brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 68 mm (2.7 in) falls on average.

Rainfall in Grasberg in September

Expect around 16 days of rain based on historical data, with 68 mm (2.7 in) average. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Grasberg in September

The excellent temperature in Grasberg in September makes it a solid month to visit, with 20°C (68°F) during the day and 11°C (52°F) at night. Conditions are often most pleasant around the middle of the day. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Grasberg in September

With about 152 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Grasberg.